./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_15_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/CWE190_Integer_Overflow__int_rand_add_15_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dd0b48b5934ea364143ef15bda72038c71fa2f911bd80cb39b0531a82cb7dde --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:20:22,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:20:22,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 06:20:22,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:20:22,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:20:22,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:20:22,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:20:22,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:20:22,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:20:22,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:20:22,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:20:22,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:20:22,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:20:22,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:20:22,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:20:22,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:20:22,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:20:22,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 06:20:22,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:20:22,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:20:22,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:20:22,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:20:22,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:20:22,920 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:20:22,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:20:22,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:20:22,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:20:22,921 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:20:22,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:20:22,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:20:22,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:20:22,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:20:22,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:20:22,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:20:22,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:20:22,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 06:20:22,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 06:20:22,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:20:22,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:20:22,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:20:22,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:20:22,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dd0b48b5934ea364143ef15bda72038c71fa2f911bd80cb39b0531a82cb7dde [2024-11-17 06:20:23,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:20:23,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:20:23,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:20:23,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:20:23,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:20:23,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_15_bad.i [2024-11-17 06:20:24,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:20:24,562 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:20:24,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_15_bad.i [2024-11-17 06:20:24,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c71eb5fc/4487de67d75249bc8b168ca3af9c6124/FLAG9fa60f929 [2024-11-17 06:20:24,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c71eb5fc/4487de67d75249bc8b168ca3af9c6124 [2024-11-17 06:20:24,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:20:24,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:20:24,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:20:24,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:20:24,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:20:24,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:20:24" (1/1) ... [2024-11-17 06:20:24,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b618db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:24, skipping insertion in model container [2024-11-17 06:20:24,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:20:24" (1/1) ... [2024-11-17 06:20:24,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:20:25,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:20:25,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:20:25,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:20:25,696 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:20:25,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25 WrapperNode [2024-11-17 06:20:25,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:20:25,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:20:25,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:20:25,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:20:25,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,743 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-11-17 06:20:25,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:20:25,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:20:25,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:20:25,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:20:25,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,767 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:20:25,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,771 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:20:25,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:20:25,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:20:25,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:20:25,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (1/1) ... [2024-11-17 06:20:25,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:20:25,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:20:25,816 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 06:20:25,822 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 06:20:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:20:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:20:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:20:25,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:20:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:20:25,987 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:20:25,989 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:20:26,177 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-17 06:20:26,177 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:20:26,200 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:20:26,201 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:20:26,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:20:26 BoogieIcfgContainer [2024-11-17 06:20:26,201 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:20:26,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:20:26,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:20:26,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:20:26,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:20:24" (1/3) ... [2024-11-17 06:20:26,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351fd1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:20:26, skipping insertion in model container [2024-11-17 06:20:26,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:25" (2/3) ... [2024-11-17 06:20:26,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351fd1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:20:26, skipping insertion in model container [2024-11-17 06:20:26,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:20:26" (3/3) ... [2024-11-17 06:20:26,207 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_15_bad.i [2024-11-17 06:20:26,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:20:26,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:20:26,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:20:26,269 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;@9412170, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:20:26,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:20:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 46 states have internal predecessors, (62), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 06:20:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 06:20:26,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:26,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:26,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:26,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:26,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1076206976, now seen corresponding path program 1 times [2024-11-17 06:20:26,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:20:26,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881203487] [2024-11-17 06:20:26,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:26,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:20:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:26,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 06:20:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:20:26,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 06:20:26,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881203487] [2024-11-17 06:20:26,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881203487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:20:26,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:20:26,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 06:20:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377501548] [2024-11-17 06:20:26,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:20:26,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 06:20:26,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 06:20:26,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 06:20:26,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 06:20:26,521 INFO L87 Difference]: Start difference. First operand has 50 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 46 states have internal predecessors, (62), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:20:26,549 INFO L93 Difference]: Finished difference Result 71 states and 94 transitions. [2024-11-17 06:20:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 06:20:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-17 06:20:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:20:26,556 INFO L225 Difference]: With dead ends: 71 [2024-11-17 06:20:26,556 INFO L226 Difference]: Without dead ends: 37 [2024-11-17 06:20:26,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 06:20:26,560 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 06:20:26,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 06:20:26,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-17 06:20:26,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-17 06:20:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-17 06:20:26,587 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 13 [2024-11-17 06:20:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:20:26,587 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-17 06:20:26,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-17 06:20:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 06:20:26,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:26,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:26,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 06:20:26,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:26,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:26,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1964076474, now seen corresponding path program 1 times [2024-11-17 06:20:26,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:20:26,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545842688] [2024-11-17 06:20:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:20:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:26,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 06:20:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:20:26,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 06:20:26,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545842688] [2024-11-17 06:20:26,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545842688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:20:26,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:20:26,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 06:20:26,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385181988] [2024-11-17 06:20:26,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:20:26,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 06:20:26,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 06:20:26,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 06:20:26,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 06:20:26,847 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:26,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:20:26,931 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2024-11-17 06:20:26,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 06:20:26,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-17 06:20:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:20:26,932 INFO L225 Difference]: With dead ends: 44 [2024-11-17 06:20:26,933 INFO L226 Difference]: Without dead ends: 43 [2024-11-17 06:20:26,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 06:20:26,934 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 06:20:26,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 149 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 06:20:26,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-17 06:20:26,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-17 06:20:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2024-11-17 06:20:26,941 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 18 [2024-11-17 06:20:26,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:20:26,941 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2024-11-17 06:20:26,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-11-17 06:20:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 06:20:26,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:26,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:26,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 06:20:26,946 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:26,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1346853913, now seen corresponding path program 1 times [2024-11-17 06:20:26,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:20:26,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695192208] [2024-11-17 06:20:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:20:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 06:20:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:20:27,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 06:20:27,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695192208] [2024-11-17 06:20:27,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695192208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:20:27,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:20:27,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 06:20:27,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544722073] [2024-11-17 06:20:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:20:27,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 06:20:27,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 06:20:27,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 06:20:27,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 06:20:27,021 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:27,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:20:27,033 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2024-11-17 06:20:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 06:20:27,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-17 06:20:27,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:20:27,035 INFO L225 Difference]: With dead ends: 42 [2024-11-17 06:20:27,035 INFO L226 Difference]: Without dead ends: 41 [2024-11-17 06:20:27,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 06:20:27,036 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 36 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 06:20:27,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 51 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 06:20:27,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-17 06:20:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2024-11-17 06:20:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 33 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-17 06:20:27,042 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 18 [2024-11-17 06:20:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:20:27,042 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-17 06:20:27,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-17 06:20:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 06:20:27,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:27,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:27,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 06:20:27,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:27,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:27,045 INFO L85 PathProgramCache]: Analyzing trace with hash -756828562, now seen corresponding path program 1 times [2024-11-17 06:20:27,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:20:27,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457238970] [2024-11-17 06:20:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:27,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:20:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:20:27,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:20:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:20:27,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 06:20:27,091 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:20:27,092 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:20:27,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:20:27,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 06:20:27,096 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-17 06:20:27,114 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:20:27,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:20:27 BoogieIcfgContainer [2024-11-17 06:20:27,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:20:27,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:20:27,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:20:27,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:20:27,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:20:26" (3/4) ... [2024-11-17 06:20:27,119 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:20:27,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:20:27,120 INFO L158 Benchmark]: Toolchain (without parser) took 2242.83ms. Allocated memory is still 172.0MB. Free memory was 94.1MB in the beginning and 74.1MB in the end (delta: 20.0MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-17 06:20:27,120 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:20:27,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.55ms. Allocated memory is still 172.0MB. Free memory was 93.8MB in the beginning and 90.7MB in the end (delta: 3.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 06:20:27,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.24ms. Allocated memory is still 172.0MB. Free memory was 90.7MB in the beginning and 87.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 06:20:27,121 INFO L158 Benchmark]: Boogie Preprocessor took 39.21ms. Allocated memory is still 172.0MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:20:27,121 INFO L158 Benchmark]: IcfgBuilder took 417.43ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 67.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 06:20:27,121 INFO L158 Benchmark]: TraceAbstraction took 913.79ms. Allocated memory is still 172.0MB. Free memory was 66.5MB in the beginning and 74.1MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:20:27,122 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 172.0MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:20:27,123 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 172.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.55ms. Allocated memory is still 172.0MB. Free memory was 93.8MB in the beginning and 90.7MB in the end (delta: 3.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.24ms. Allocated memory is still 172.0MB. Free memory was 90.7MB in the beginning and 87.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.21ms. Allocated memory is still 172.0MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 417.43ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 67.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 913.79ms. Allocated memory is still 172.0MB. Free memory was 66.5MB in the beginning and 74.1MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 172.0MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1577. 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] [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_rand_add_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] case 6: [L1555] 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] [L1555] 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] [L1555] data = ((int)(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=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 140 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 06:20:27,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/CWE190_Integer_Overflow__int_rand_add_15_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dd0b48b5934ea364143ef15bda72038c71fa2f911bd80cb39b0531a82cb7dde --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:20:28,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:20:28,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 06:20:28,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:20:28,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:20:28,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 06:20:29,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:20:29,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:20:29,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:20:29,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:20:29,013 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:20:29,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:20:29,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:20:29,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:20:29,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:20:29,016 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:20:29,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:20:29,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:20:29,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:20:29,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:20:29,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:20:29,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:20:29,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:20:29,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:20:29,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:20:29,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:20:29,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:20:29,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:20:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:20:29,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:20:29,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:20:29,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:20:29,022 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 06:20:29,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 06:20:29,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:20:29,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:20:29,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:20:29,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:20:29,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dd0b48b5934ea364143ef15bda72038c71fa2f911bd80cb39b0531a82cb7dde [2024-11-17 06:20:29,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:20:29,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:20:29,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:20:29,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:20:29,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:20:29,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_15_bad.i [2024-11-17 06:20:30,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:20:30,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:20:30,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_15_bad.i [2024-11-17 06:20:30,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4788d70/4c758a3908d240db8cb5f7999b696b76/FLAG8c6f62d89 [2024-11-17 06:20:31,177 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4788d70/4c758a3908d240db8cb5f7999b696b76 [2024-11-17 06:20:31,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:20:31,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:20:31,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:20:31,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:20:31,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:20:31,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:20:31" (1/1) ... [2024-11-17 06:20:31,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2803df60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:31, skipping insertion in model container [2024-11-17 06:20:31,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:20:31" (1/1) ... [2024-11-17 06:20:31,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:20:31,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:20:31,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:20:31,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:20:32,009 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:20:32,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32 WrapperNode [2024-11-17 06:20:32,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:20:32,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:20:32,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:20:32,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:20:32,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,052 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-17 06:20:32,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:20:32,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:20:32,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:20:32,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:20:32,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,072 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:20:32,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:20:32,083 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:20:32,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:20:32,084 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:20:32,084 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (1/1) ... [2024-11-17 06:20:32,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:20:32,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:20:32,114 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 06:20:32,116 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 06:20:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:20:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:20:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:20:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:20:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:20:32,270 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:20:32,271 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:20:32,409 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-17 06:20:32,409 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:20:32,419 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:20:32,420 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:20:32,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:20:32 BoogieIcfgContainer [2024-11-17 06:20:32,420 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:20:32,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:20:32,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:20:32,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:20:32,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:20:31" (1/3) ... [2024-11-17 06:20:32,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e788126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:20:32, skipping insertion in model container [2024-11-17 06:20:32,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:20:32" (2/3) ... [2024-11-17 06:20:32,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e788126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:20:32, skipping insertion in model container [2024-11-17 06:20:32,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:20:32" (3/3) ... [2024-11-17 06:20:32,426 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_15_bad.i [2024-11-17 06:20:32,437 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:20:32,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:20:32,487 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:20:32,493 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;@6aa05bdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:20:32,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:20:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 06:20:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 06:20:32,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:32,505 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:32,506 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:32,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:32,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2139162056, now seen corresponding path program 1 times [2024-11-17 06:20:32,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:20:32,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213363781] [2024-11-17 06:20:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:32,520 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 06:20:32,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:20:32,523 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 06:20:32,524 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 06:20:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:32,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-17 06:20:32,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 06:20:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:20:32,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 06:20:32,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 06:20:32,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213363781] [2024-11-17 06:20:32,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213363781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:20:32,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:20:32,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 06:20:32,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500104969] [2024-11-17 06:20:32,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:20:32,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 06:20:32,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 06:20:32,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 06:20:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 06:20:32,660 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:32,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:20:32,671 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2024-11-17 06:20:32,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 06:20:32,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-17 06:20:32,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:20:32,677 INFO L225 Difference]: With dead ends: 30 [2024-11-17 06:20:32,677 INFO L226 Difference]: Without dead ends: 18 [2024-11-17 06:20:32,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 06:20:32,682 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 06:20:32,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 06:20:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-17 06:20:32,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-17 06:20:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 06:20:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-17 06:20:32,711 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2024-11-17 06:20:32,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:20:32,713 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-17 06:20:32,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-17 06:20:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 06:20:32,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:32,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:32,719 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 06:20:32,918 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 06:20:32,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:32,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:32,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1889514308, now seen corresponding path program 1 times [2024-11-17 06:20:32,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:20:32,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535151849] [2024-11-17 06:20:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:32,921 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 06:20:32,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:20:32,922 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 06:20:32,923 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 06:20:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:20:32,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 06:20:32,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 06:20:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:20:32,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 06:20:32,990 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 06:20:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535151849] [2024-11-17 06:20:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535151849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:20:32,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:20:32,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 06:20:32,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120902826] [2024-11-17 06:20:32,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:20:32,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 06:20:32,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 06:20:32,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 06:20:32,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 06:20:32,992 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:20:33,002 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-11-17 06:20:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 06:20:33,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-17 06:20:33,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:20:33,003 INFO L225 Difference]: With dead ends: 27 [2024-11-17 06:20:33,003 INFO L226 Difference]: Without dead ends: 16 [2024-11-17 06:20:33,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 06:20:33,004 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 06:20:33,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 06:20:33,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-17 06:20:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-17 06:20:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-17 06:20:33,009 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2024-11-17 06:20:33,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:20:33,009 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-17 06:20:33,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:20:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-17 06:20:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 06:20:33,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:20:33,020 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:20:33,027 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 06:20:33,224 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 06:20:33,225 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:20:33,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:20:33,226 INFO L85 PathProgramCache]: Analyzing trace with hash -99336170, now seen corresponding path program 1 times [2024-11-17 06:20:33,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:20:33,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871067791] [2024-11-17 06:20:33,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:20:33,227 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 06:20:33,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:20:33,231 INFO L229 MonitoredProcess]: Starting monitored process 4 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 06:20:33,232 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 (4)] Waiting until timeout for monitored process [2024-11-17 06:20:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:20:33,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:20:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:20:33,333 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 06:20:33,333 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:20:33,334 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:20:33,336 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:20:33,340 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 (4)] Ended with exit code 0 [2024-11-17 06:20:33,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 06:20:33,539 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-17 06:20:33,554 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:20:33,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:20:33 BoogieIcfgContainer [2024-11-17 06:20:33,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:20:33,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:20:33,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:20:33,557 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:20:33,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:20:32" (3/4) ... [2024-11-17 06:20:33,559 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:20:33,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:20:33,560 INFO L158 Benchmark]: Toolchain (without parser) took 2380.02ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 48.0MB in the beginning and 60.7MB in the end (delta: -12.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-17 06:20:33,560 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 71.3MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:20:33,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.16ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 48.0MB in the beginning and 56.4MB in the end (delta: -8.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-17 06:20:33,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.63ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 53.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:20:33,561 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 100.7MB. Free memory was 53.3MB in the beginning and 50.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 06:20:33,561 INFO L158 Benchmark]: IcfgBuilder took 336.68ms. Allocated memory is still 100.7MB. Free memory was 50.7MB in the beginning and 67.0MB in the end (delta: -16.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-17 06:20:33,562 INFO L158 Benchmark]: TraceAbstraction took 1134.84ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 60.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-17 06:20:33,562 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 60.7MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:20:33,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 71.3MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.16ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 48.0MB in the beginning and 56.4MB in the end (delta: -8.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.63ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 53.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 100.7MB. Free memory was 53.3MB in the beginning and 50.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 336.68ms. Allocated memory is still 100.7MB. Free memory was 50.7MB in the beginning and 67.0MB in the end (delta: -16.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1134.84ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 60.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 60.7MB in the end (delta: 65.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1577. 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] [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_rand_add_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] 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] [L1555] data = ((int)(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=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, 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, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 53 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-17 06:20:33,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample