./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:09:22,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:09:22,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 07:09:22,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:09:22,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:09:22,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:09:22,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:09:22,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:09:22,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:09:22,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:09:22,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:09:22,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:09:22,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:09:22,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:09:22,107 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:09:22,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:09:22,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:09:22,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:09:22,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:09:22,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:09:22,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:09:22,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:09:22,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:09:22,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:09:22,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:09:22,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:09:22,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:09:22,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:09:22,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:09:22,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:09:22,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:09:22,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:09:22,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:09:22,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:09:22,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:09:22,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:09:22,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:09:22,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:09:22,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:09:22,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:09:22,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:09:22,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-11-17 07:09:22,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:09:22,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:09:22,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:09:22,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:09:22,334 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:09:22,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-17 07:09:23,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:09:23,805 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:09:23,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-17 07:09:23,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ba48d91/870bad0547ee4a738b9ed0c175ea46a0/FLAG7a0266515 [2024-11-17 07:09:24,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ba48d91/870bad0547ee4a738b9ed0c175ea46a0 [2024-11-17 07:09:24,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:09:24,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:09:24,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:09:24,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:09:24,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:09:24,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e1e8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24, skipping insertion in model container [2024-11-17 07:09:24,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:09:24,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:09:24,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:09:24,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:09:24,876 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:09:24,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24 WrapperNode [2024-11-17 07:09:24,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:09:24,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:09:24,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:09:24,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:09:24,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,935 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-17 07:09:24,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:09:24,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:09:24,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:09:24,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:09:24,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,967 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:09:24,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:09:24,981 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:09:24,981 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:09:24,984 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:09:24,984 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (1/1) ... [2024-11-17 07:09:24,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:09:24,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:09:25,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:09:25,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:09:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:09:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:09:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:09:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:09:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:09:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-17 07:09:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-17 07:09:25,153 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:09:25,155 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:09:25,304 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-17 07:09:25,304 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:09:25,328 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:09:25,328 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:09:25,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:09:25 BoogieIcfgContainer [2024-11-17 07:09:25,330 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:09:25,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:09:25,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:09:25,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:09:25,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:09:24" (1/3) ... [2024-11-17 07:09:25,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64935205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:09:25, skipping insertion in model container [2024-11-17 07:09:25,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:24" (2/3) ... [2024-11-17 07:09:25,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64935205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:09:25, skipping insertion in model container [2024-11-17 07:09:25,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:09:25" (3/3) ... [2024-11-17 07:09:25,337 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-17 07:09:25,349 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:09:25,350 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:09:25,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:09:25,429 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;@5f3770ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:09:25,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:09:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 44 states have internal predecessors, (60), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:09:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 07:09:25,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:09:25,442 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:09:25,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:09:25,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:09:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1967329573, now seen corresponding path program 1 times [2024-11-17 07:09:25,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:09:25,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780251287] [2024-11-17 07:09:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:25,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:09:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 07:09:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:25,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 07:09:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:25,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 07:09:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:09:25,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:09:25,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780251287] [2024-11-17 07:09:25,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780251287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:09:25,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860168483] [2024-11-17 07:09:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:09:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:09:25,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:09:25,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:09:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:25,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 07:09:25,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:09:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 07:09:25,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:09:25,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860168483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:09:25,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:09:25,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-17 07:09:25,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363687631] [2024-11-17 07:09:25,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:09:25,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:09:25,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:09:25,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:09:25,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:09:25,906 INFO L87 Difference]: Start difference. First operand has 51 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 44 states have internal predecessors, (60), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:09:25,948 INFO L93 Difference]: Finished difference Result 59 states and 79 transitions. [2024-11-17 07:09:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:09:25,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-17 07:09:25,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:09:25,957 INFO L225 Difference]: With dead ends: 59 [2024-11-17 07:09:25,957 INFO L226 Difference]: Without dead ends: 48 [2024-11-17 07:09:25,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:09:25,965 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 38 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:09:25,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 82 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:09:25,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-17 07:09:25,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-11-17 07:09:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:09:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2024-11-17 07:09:25,995 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 21 [2024-11-17 07:09:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:09:25,996 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2024-11-17 07:09:25,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-17 07:09:25,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 07:09:25,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:09:26,000 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:09:26,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 07:09:26,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-17 07:09:26,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:09:26,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:09:26,204 INFO L85 PathProgramCache]: Analyzing trace with hash 857674600, now seen corresponding path program 1 times [2024-11-17 07:09:26,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:09:26,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842605672] [2024-11-17 07:09:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:26,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:09:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 07:09:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 07:09:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 07:09:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:09:26,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:09:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842605672] [2024-11-17 07:09:26,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842605672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:09:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032258024] [2024-11-17 07:09:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:26,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:09:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:09:26,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:09:26,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:09:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 07:09:26,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:09:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 07:09:26,404 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:09:26,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032258024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:09:26,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:09:26,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-17 07:09:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047181720] [2024-11-17 07:09:26,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:09:26,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:09:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:09:26,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:09:26,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:09:26,407 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:09:26,424 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2024-11-17 07:09:26,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:09:26,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-17 07:09:26,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:09:26,425 INFO L225 Difference]: With dead ends: 49 [2024-11-17 07:09:26,425 INFO L226 Difference]: Without dead ends: 43 [2024-11-17 07:09:26,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:09:26,426 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:09:26,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 68 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:09:26,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-17 07:09:26,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-17 07:09:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:09:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2024-11-17 07:09:26,434 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 22 [2024-11-17 07:09:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:09:26,435 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-11-17 07:09:26,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-17 07:09:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 07:09:26,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:09:26,436 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:09:26,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:09:26,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-17 07:09:26,637 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:09:26,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:09:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1457867753, now seen corresponding path program 1 times [2024-11-17 07:09:26,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:09:26,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675645200] [2024-11-17 07:09:26,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:26,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:09:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 07:09:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 07:09:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 07:09:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 07:09:26,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:09:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675645200] [2024-11-17 07:09:26,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675645200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:09:26,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:09:26,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:09:26,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768211216] [2024-11-17 07:09:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:09:26,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:09:26,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:09:26,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:09:26,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:09:26,797 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:09:26,873 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2024-11-17 07:09:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:09:26,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-17 07:09:26,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:09:26,874 INFO L225 Difference]: With dead ends: 51 [2024-11-17 07:09:26,875 INFO L226 Difference]: Without dead ends: 50 [2024-11-17 07:09:26,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:09:26,876 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 41 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:09:26,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 185 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:09:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-17 07:09:26,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-11-17 07:09:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:09:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2024-11-17 07:09:26,887 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 27 [2024-11-17 07:09:26,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:09:26,887 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2024-11-17 07:09:26,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-17 07:09:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 07:09:26,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:09:26,888 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:09:26,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:09:26,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:09:26,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:09:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 511990890, now seen corresponding path program 1 times [2024-11-17 07:09:26,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:09:26,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617176813] [2024-11-17 07:09:26,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:09:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:09:26,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:09:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:09:26,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 07:09:26,932 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:09:26,935 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:09:26,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:09:26,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:09:26,939 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-17 07:09:26,977 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:09:26,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:09:26 BoogieIcfgContainer [2024-11-17 07:09:26,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:09:26,983 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:09:26,983 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:09:26,983 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:09:26,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:09:25" (3/4) ... [2024-11-17 07:09:26,985 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:09:26,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:09:26,987 INFO L158 Benchmark]: Toolchain (without parser) took 2897.30ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 85.3MB in the beginning and 170.4MB in the end (delta: -85.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:09:26,987 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:09:26,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.62ms. Allocated memory is still 159.4MB. Free memory was 85.2MB in the beginning and 72.4MB in the end (delta: 12.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-17 07:09:26,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.07ms. Allocated memory is still 159.4MB. Free memory was 72.4MB in the beginning and 69.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:09:26,988 INFO L158 Benchmark]: Boogie Preprocessor took 44.30ms. Allocated memory is still 159.4MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:09:26,989 INFO L158 Benchmark]: IcfgBuilder took 349.19ms. Allocated memory is still 159.4MB. Free memory was 67.1MB in the beginning and 49.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 07:09:26,989 INFO L158 Benchmark]: TraceAbstraction took 1650.81ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 48.2MB in the beginning and 170.6MB in the end (delta: -122.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-17 07:09:26,989 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 207.6MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:09:26,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.62ms. Allocated memory is still 159.4MB. Free memory was 85.2MB in the beginning and 72.4MB in the end (delta: 12.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.07ms. Allocated memory is still 159.4MB. Free memory was 72.4MB in the beginning and 69.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.30ms. Allocated memory is still 159.4MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 349.19ms. Allocated memory is still 159.4MB. Free memory was 67.1MB in the beginning and 49.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1650.81ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 48.2MB in the beginning and 170.6MB in the end (delta: -122.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 207.6MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1567]: 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 1575. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 335 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 157 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 169 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 07:09:27,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:09:28,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:09:28,869 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 07:09:28,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:09:28,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:09:28,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 07:09:28,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:09:28,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:09:28,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:09:28,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:09:28,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:09:28,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:09:28,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:09:28,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:09:28,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:09:28,902 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:09:28,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:09:28,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:09:28,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:09:28,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:09:28,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:09:28,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:09:28,903 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:09:28,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:09:28,905 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:09:28,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:09:28,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:09:28,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:09:28,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:09:28,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:09:28,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:09:28,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:09:28,906 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 07:09:28,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 07:09:28,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:09:28,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:09:28,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:09:28,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:09:28,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-11-17 07:09:29,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:09:29,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:09:29,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:09:29,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:09:29,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:09:29,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-17 07:09:30,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:09:30,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:09:30,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-17 07:09:30,793 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c785496/000bd94876ea4c8e8b2e21c108bebd2a/FLAG37f980d0c [2024-11-17 07:09:30,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6c785496/000bd94876ea4c8e8b2e21c108bebd2a [2024-11-17 07:09:30,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:09:30,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:09:30,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:09:30,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:09:30,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:09:30,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:09:30" (1/1) ... [2024-11-17 07:09:30,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555ba526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:30, skipping insertion in model container [2024-11-17 07:09:30,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:09:30" (1/1) ... [2024-11-17 07:09:30,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:09:31,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:09:31,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:09:31,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:09:31,614 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:09:31,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31 WrapperNode [2024-11-17 07:09:31,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:09:31,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:09:31,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:09:31,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:09:31,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,666 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-17 07:09:31,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:09:31,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:09:31,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:09:31,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:09:31,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,685 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 07:09:31,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,690 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:09:31,696 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:09:31,696 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:09:31,696 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:09:31,696 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (1/1) ... [2024-11-17 07:09:31,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:09:31,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:09:31,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:09:31,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:09:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 07:09:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 07:09:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:09:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:09:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:09:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-17 07:09:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-17 07:09:31,876 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:09:31,878 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:09:31,988 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-17 07:09:31,988 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:09:31,997 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:09:31,998 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:09:31,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:09:31 BoogieIcfgContainer [2024-11-17 07:09:31,998 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:09:32,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:09:32,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:09:32,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:09:32,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:09:30" (1/3) ... [2024-11-17 07:09:32,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b217a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:09:32, skipping insertion in model container [2024-11-17 07:09:32,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:09:31" (2/3) ... [2024-11-17 07:09:32,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b217a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:09:32, skipping insertion in model container [2024-11-17 07:09:32,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:09:31" (3/3) ... [2024-11-17 07:09:32,005 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-17 07:09:32,017 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:09:32,017 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 07:09:32,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:09:32,069 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;@31f0a977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:09:32,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 07:09:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:09:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 07:09:32,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:09:32,077 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:09:32,077 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:09:32,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:09:32,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1982519197, now seen corresponding path program 1 times [2024-11-17 07:09:32,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 07:09:32,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546310240] [2024-11-17 07:09:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:32,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 07:09:32,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 07:09:32,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 07:09:32,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-17 07:09:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:09:32,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 07:09:32,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:09:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:09:32,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:09:32,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 07:09:32,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546310240] [2024-11-17 07:09:32,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546310240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:09:32,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:09:32,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:09:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269432219] [2024-11-17 07:09:32,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:09:32,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:09:32,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 07:09:32,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:09:32,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:09:32,280 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:32,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:09:32,302 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-17 07:09:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:09:32,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-11-17 07:09:32,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:09:32,317 INFO L225 Difference]: With dead ends: 49 [2024-11-17 07:09:32,318 INFO L226 Difference]: Without dead ends: 19 [2024-11-17 07:09:32,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:09:32,323 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:09:32,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:09:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-17 07:09:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-17 07:09:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:09:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-17 07:09:32,349 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 19 [2024-11-17 07:09:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:09:32,349 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-17 07:09:32,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:09:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-17 07:09:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 07:09:32,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:09:32,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:09:32,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-17 07:09:32,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 07:09:32,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 07:09:32,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:09:32,553 INFO L85 PathProgramCache]: Analyzing trace with hash -443392127, now seen corresponding path program 1 times [2024-11-17 07:09:32,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 07:09:32,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066376570] [2024-11-17 07:09:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:09:32,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 07:09:32,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 07:09:32,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-17 07:09:32,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-17 07:09:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:09:32,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 07:09:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 07:09:32,685 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 07:09:32,686 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 07:09:32,687 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 07:09:32,689 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 07:09:32,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-17 07:09:32,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-17 07:09:32,892 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 07:09:32,911 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:09:32,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:09:32 BoogieIcfgContainer [2024-11-17 07:09:32,914 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:09:32,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:09:32,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:09:32,915 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:09:32,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:09:31" (3/4) ... [2024-11-17 07:09:32,917 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 07:09:32,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:09:32,918 INFO L158 Benchmark]: Toolchain (without parser) took 2107.47ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.6MB in the beginning and 53.6MB in the end (delta: -11.0MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-17 07:09:32,919 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:09:32,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.06ms. Allocated memory is still 79.7MB. Free memory was 42.4MB in the beginning and 37.0MB in the end (delta: 5.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-17 07:09:32,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.88ms. Allocated memory is still 79.7MB. Free memory was 37.0MB in the beginning and 33.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:09:32,920 INFO L158 Benchmark]: Boogie Preprocessor took 28.35ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 31.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:09:32,920 INFO L158 Benchmark]: IcfgBuilder took 302.93ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 57.6MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 07:09:32,920 INFO L158 Benchmark]: TraceAbstraction took 913.84ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 54.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-17 07:09:32,920 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:09:32,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.06ms. Allocated memory is still 79.7MB. Free memory was 42.4MB in the beginning and 37.0MB in the end (delta: 5.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.88ms. Allocated memory is still 79.7MB. Free memory was 37.0MB in the beginning and 33.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.35ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 31.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 302.93ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 57.6MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 913.84ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 54.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. 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: 1567]: 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 1575. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 07:09:32,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample