./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_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 ba5d17db50417286259760ac0dfdabc07977dc071115ac1ff02d9c84ae57ccaf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:29:17,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:29:17,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 20:29:17,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:29:17,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:29:17,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:29:17,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:29:17,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:29:17,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:29:17,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:29:17,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:29:17,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:29:17,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:29:17,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:29:17,507 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:29:17,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:29:17,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:29:17,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 20:29:17,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:29:17,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:29:17,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:29:17,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:29:17,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:29:17,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:29:17,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:29:17,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:29:17,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:29:17,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:29:17,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:29:17,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:29:17,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 20:29:17,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:29:17,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:29:17,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:29:17,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:29:17,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba5d17db50417286259760ac0dfdabc07977dc071115ac1ff02d9c84ae57ccaf [2024-11-20 20:29:17,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:29:17,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:29:17,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:29:17,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:29:17,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:29:17,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_bad.i [2024-11-20 20:29:18,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:29:19,176 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:29:19,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_bad.i [2024-11-20 20:29:19,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5146715e/d83429ade5c749039fb3ac6b3a6550dc/FLAGbbca27815 [2024-11-20 20:29:19,211 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5146715e/d83429ade5c749039fb3ac6b3a6550dc [2024-11-20 20:29:19,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:29:19,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:29:19,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:29:19,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:29:19,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:29:19,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:19,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8c2991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19, skipping insertion in model container [2024-11-20 20:29:19,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:19,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:29:19,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:29:19,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:29:19,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:29:19,938 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:29:19,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19 WrapperNode [2024-11-20 20:29:19,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:29:19,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:29:19,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:29:19,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:29:19,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:19,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,006 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-20 20:29:20,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:29:20,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:29:20,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:29:20,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:29:20,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,027 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 20:29:20,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:29:20,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:29:20,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:29:20,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:29:20,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (1/1) ... [2024-11-20 20:29:20,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:29:20,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:29:20,066 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) [2024-11-20 20:29:20,068 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 [2024-11-20 20:29:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:29:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:29:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:29:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:29:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:29:20,228 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:29:20,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:29:20,405 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-20 20:29:20,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:29:20,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:29:20,413 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:29:20,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:29:20 BoogieIcfgContainer [2024-11-20 20:29:20,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:29:20,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:29:20,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:29:20,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:29:20,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:29:19" (1/3) ... [2024-11-20 20:29:20,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bcd801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:29:20, skipping insertion in model container [2024-11-20 20:29:20,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:19" (2/3) ... [2024-11-20 20:29:20,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bcd801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:29:20, skipping insertion in model container [2024-11-20 20:29:20,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:29:20" (3/3) ... [2024-11-20 20:29:20,420 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_21_bad.i [2024-11-20 20:29:20,432 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:29:20,432 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:29:20,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:29:20,478 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;@7cce9cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:29:20,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:29:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 20:29:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 20:29:20,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:29:20,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:29:20,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:29:20,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:29:20,491 INFO L85 PathProgramCache]: Analyzing trace with hash 858330459, now seen corresponding path program 1 times [2024-11-20 20:29:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:29:20,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854695423] [2024-11-20 20:29:20,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:29:20,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:29:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:29:20,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:29:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:29:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:29:20,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:29:20,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854695423] [2024-11-20 20:29:20,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854695423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:29:20,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:29:20,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 20:29:20,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267701532] [2024-11-20 20:29:20,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:29:20,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 20:29:20,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:29:20,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 20:29:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 20:29:20,892 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:29:20,917 INFO L93 Difference]: Finished difference Result 44 states and 59 transitions. [2024-11-20 20:29:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 20:29:20,919 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-20 20:29:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:29:20,926 INFO L225 Difference]: With dead ends: 44 [2024-11-20 20:29:20,926 INFO L226 Difference]: Without dead ends: 34 [2024-11-20 20:29:20,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 20:29:20,930 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:29:20,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 104 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:29:20,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-20 20:29:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-20 20:29:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2024-11-20 20:29:20,955 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 16 [2024-11-20 20:29:20,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:29:20,955 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2024-11-20 20:29:20,956 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2024-11-20 20:29:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-20 20:29:20,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:29:20,957 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:29:20,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 20:29:20,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:29:20,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:29:20,958 INFO L85 PathProgramCache]: Analyzing trace with hash 838440581, now seen corresponding path program 1 times [2024-11-20 20:29:20,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:29:20,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212531408] [2024-11-20 20:29:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:29:20,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:29:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:29:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:29:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:29:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:29:21,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:29:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212531408] [2024-11-20 20:29:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212531408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:29:21,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:29:21,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 20:29:21,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089814000] [2024-11-20 20:29:21,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:29:21,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 20:29:21,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:29:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 20:29:21,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 20:29:21,138 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:29:21,182 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2024-11-20 20:29:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 20:29:21,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-20 20:29:21,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:29:21,183 INFO L225 Difference]: With dead ends: 40 [2024-11-20 20:29:21,183 INFO L226 Difference]: Without dead ends: 34 [2024-11-20 20:29:21,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 20:29:21,185 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:29:21,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 183 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:29:21,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-20 20:29:21,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-20 20:29:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-20 20:29:21,189 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 17 [2024-11-20 20:29:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:29:21,190 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-20 20:29:21,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-20 20:29:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-20 20:29:21,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:29:21,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:29:21,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 20:29:21,192 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:29:21,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:29:21,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1488452897, now seen corresponding path program 1 times [2024-11-20 20:29:21,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:29:21,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854291162] [2024-11-20 20:29:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:29:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:29:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:29:21,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:29:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:29:21,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 20:29:21,243 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:29:21,244 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:29:21,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:29:21,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 20:29:21,248 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 20:29:21,269 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:29:21,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:29:21 BoogieIcfgContainer [2024-11-20 20:29:21,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:29:21,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:29:21,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:29:21,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:29:21,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:29:20" (3/4) ... [2024-11-20 20:29:21,276 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:29:21,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:29:21,278 INFO L158 Benchmark]: Toolchain (without parser) took 2062.86ms. Allocated memory is still 180.4MB. Free memory was 149.6MB in the beginning and 115.1MB in the end (delta: 34.5MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-20 20:29:21,278 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:29:21,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.14ms. Allocated memory is still 180.4MB. Free memory was 148.8MB in the beginning and 142.6MB in the end (delta: 6.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-20 20:29:21,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.11ms. Allocated memory is still 180.4MB. Free memory was 142.6MB in the beginning and 139.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:29:21,279 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 180.4MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:29:21,280 INFO L158 Benchmark]: RCFGBuilder took 373.18ms. Allocated memory is still 180.4MB. Free memory was 136.4MB in the beginning and 119.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 20:29:21,280 INFO L158 Benchmark]: TraceAbstraction took 858.24ms. Allocated memory is still 180.4MB. Free memory was 119.7MB in the beginning and 115.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-20 20:29:21,280 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 180.4MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:29:21,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.14ms. Allocated memory is still 180.4MB. Free memory was 148.8MB in the beginning and 142.6MB in the end (delta: 6.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.11ms. Allocated memory is still 180.4MB. Free memory was 142.6MB in the beginning and 139.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 180.4MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.18ms. Allocated memory is still 180.4MB. Free memory was 136.4MB in the beginning and 119.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 858.24ms. Allocated memory is still 180.4MB. Free memory was 119.7MB in the beginning and 115.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 180.4MB. Free memory is still 115.1MB. 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: 1554]: 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 1570. 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_21_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] 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, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 287 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 92 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 20:29:21,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_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 ba5d17db50417286259760ac0dfdabc07977dc071115ac1ff02d9c84ae57ccaf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:29:23,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:29:23,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-20 20:29:23,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:29:23,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:29:23,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-20 20:29:23,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:29:23,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:29:23,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:29:23,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:29:23,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:29:23,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:29:23,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:29:23,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:29:23,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:29:23,245 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:29:23,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:29:23,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:29:23,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:29:23,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:29:23,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:29:23,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:29:23,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 20:29:23,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 20:29:23,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:29:23,252 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:29:23,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 20:29:23,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:29:23,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:29:23,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:29:23,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:29:23,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:29:23,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:29:23,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:29:23,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:29:23,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:29:23,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:29:23,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:29:23,261 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 20:29:23,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 20:29:23,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:29:23,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:29:23,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:29:23,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:29:23,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba5d17db50417286259760ac0dfdabc07977dc071115ac1ff02d9c84ae57ccaf [2024-11-20 20:29:23,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:29:23,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:29:23,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:29:23,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:29:23,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:29:23,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_bad.i [2024-11-20 20:29:24,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:29:25,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:29:25,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_bad.i [2024-11-20 20:29:25,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ba211b17/5247b61561a243ef8a411684fabd3ad9/FLAG1d646f949 [2024-11-20 20:29:25,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ba211b17/5247b61561a243ef8a411684fabd3ad9 [2024-11-20 20:29:25,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:29:25,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:29:25,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:29:25,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:29:25,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:29:25,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:29:25" (1/1) ... [2024-11-20 20:29:25,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aad2fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:25, skipping insertion in model container [2024-11-20 20:29:25,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:29:25" (1/1) ... [2024-11-20 20:29:25,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:29:25,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:29:25,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:29:25,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:29:26,002 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:29:26,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26 WrapperNode [2024-11-20 20:29:26,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:29:26,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:29:26,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:29:26,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:29:26,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,055 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-20 20:29:26,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:29:26,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:29:26,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:29:26,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:29:26,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,083 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 20:29:26,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:29:26,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:29:26,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:29:26,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:29:26,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (1/1) ... [2024-11-20 20:29:26,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:29:26,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:29:26,143 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) [2024-11-20 20:29:26,146 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 [2024-11-20 20:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:29:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:29:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:29:26,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:29:26,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:29:26,416 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-20 20:29:26,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:29:26,426 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:29:26,427 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:29:26,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:29:26 BoogieIcfgContainer [2024-11-20 20:29:26,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:29:26,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:29:26,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:29:26,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:29:26,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:29:25" (1/3) ... [2024-11-20 20:29:26,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32278061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:29:26, skipping insertion in model container [2024-11-20 20:29:26,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:29:26" (2/3) ... [2024-11-20 20:29:26,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32278061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:29:26, skipping insertion in model container [2024-11-20 20:29:26,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:29:26" (3/3) ... [2024-11-20 20:29:26,434 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_21_bad.i [2024-11-20 20:29:26,447 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:29:26,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:29:26,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:29:26,504 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;@1785310d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:29:26,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:29:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 20:29:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-20 20:29:26,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:29:26,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:29:26,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:29:26,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:29:26,542 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-20 20:29:26,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:29:26,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297774692] [2024-11-20 20:29:26,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:29:26,553 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 [2024-11-20 20:29:26,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:29:26,556 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) [2024-11-20 20:29:26,569 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 [2024-11-20 20:29:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:29:26,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 20:29:26,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 20:29:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:29:26,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 20:29:26,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 20:29:26,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297774692] [2024-11-20 20:29:26,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297774692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:29:26,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:29:26,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 20:29:26,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228001576] [2024-11-20 20:29:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:29:26,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 20:29:26,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 20:29:26,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 20:29:26,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:29:26,707 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:29:26,719 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-20 20:29:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 20:29:26,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-20 20:29:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:29:26,725 INFO L225 Difference]: With dead ends: 23 [2024-11-20 20:29:26,725 INFO L226 Difference]: Without dead ends: 14 [2024-11-20 20:29:26,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:29:26,731 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:29:26,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:29:26,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-20 20:29:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-20 20:29:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-20 20:29:26,754 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2024-11-20 20:29:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:29:26,755 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-20 20:29:26,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 20:29:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-20 20:29:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-20 20:29:26,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:29:26,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:29:26,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 20:29:26,960 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 [2024-11-20 20:29:26,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:29:26,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:29:26,962 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2024-11-20 20:29:26,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:29:26,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660723016] [2024-11-20 20:29:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:29:26,964 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 [2024-11-20 20:29:26,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:29:26,967 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) [2024-11-20 20:29:26,969 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 [2024-11-20 20:29:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:29:27,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:29:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:29:27,073 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 20:29:27,074 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:29:27,075 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:29:27,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:29:27,082 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 [2024-11-20 20:29:27,277 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 [2024-11-20 20:29:27,280 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 20:29:27,296 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:29:27,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:29:27 BoogieIcfgContainer [2024-11-20 20:29:27,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:29:27,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:29:27,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:29:27,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:29:27,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:29:26" (3/4) ... [2024-11-20 20:29:27,301 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:29:27,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:29:27,302 INFO L158 Benchmark]: Toolchain (without parser) took 2163.19ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 36.8MB in the end (delta: 9.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-20 20:29:27,303 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:29:27,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.09ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 61.7MB in the end (delta: -16.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-20 20:29:27,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.22ms. Allocated memory is still 90.2MB. Free memory was 61.7MB in the beginning and 58.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 20:29:27,303 INFO L158 Benchmark]: Boogie Preprocessor took 48.84ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 55.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:29:27,304 INFO L158 Benchmark]: RCFGBuilder took 321.03ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 41.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 20:29:27,304 INFO L158 Benchmark]: TraceAbstraction took 870.50ms. Allocated memory is still 90.2MB. Free memory was 41.1MB in the beginning and 36.8MB in the end (delta: 4.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-20 20:29:27,304 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 90.2MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:29:27,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory is still 25.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.09ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 61.7MB in the end (delta: -16.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.22ms. Allocated memory is still 90.2MB. Free memory was 61.7MB in the beginning and 58.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.84ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 55.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.03ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 41.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 870.50ms. Allocated memory is still 90.2MB. Free memory was 41.1MB in the beginning and 36.8MB in the end (delta: 4.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 90.2MB. Free memory is still 36.8MB. 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: 1554]: 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 1570. 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_21_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] 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, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 20:29:27,337 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