./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 05:58:30,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 05:58:30,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 05:58:30,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 05:58:30,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 05:58:30,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 05:58:30,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 05:58:30,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 05:58:30,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 05:58:30,862 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 05:58:30,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 05:58:30,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 05:58:30,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 05:58:30,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 05:58:30,863 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 05:58:30,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 05:58:30,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 05:58:30,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 05:58:30,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 05:58:30,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 05:58:30,864 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 05:58:30,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 05:58:30,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 05:58:30,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 05:58:30,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 05:58:30,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 05:58:30,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 05:58:30,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 05:58:30,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 05:58:30,866 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 [2025-01-10 05:58:31,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 05:58:31,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 05:58:31,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 05:58:31,090 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 05:58:31,090 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 05:58:31,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2025-01-10 05:58:32,247 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85580ceb4/a4c2dde23e954986af77bf5b3c3cbf62/FLAG943ac2afb [2025-01-10 05:58:32,676 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 05:58:32,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2025-01-10 05:58:32,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85580ceb4/a4c2dde23e954986af77bf5b3c3cbf62/FLAG943ac2afb [2025-01-10 05:58:32,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85580ceb4/a4c2dde23e954986af77bf5b3c3cbf62 [2025-01-10 05:58:32,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 05:58:32,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 05:58:32,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 05:58:32,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 05:58:32,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 05:58:32,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:58:32" (1/1) ... [2025-01-10 05:58:32,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b5815b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:32, skipping insertion in model container [2025-01-10 05:58:32,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:58:32" (1/1) ... [2025-01-10 05:58:32,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 05:58:33,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 05:58:33,338 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 05:58:33,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 05:58:33,485 INFO L204 MainTranslator]: Completed translation [2025-01-10 05:58:33,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33 WrapperNode [2025-01-10 05:58:33,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 05:58:33,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 05:58:33,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 05:58:33,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 05:58:33,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,522 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2025-01-10 05:58:33,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 05:58:33,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 05:58:33,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 05:58:33,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 05:58:33,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,535 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,543 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 05:58:33,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,546 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 05:58:33,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 05:58:33,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 05:58:33,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 05:58:33,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (1/1) ... [2025-01-10 05:58:33,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 05:58:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 05:58:33,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 05:58:33,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 05:58:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-01-10 05:58:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-01-10 05:58:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 05:58:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 05:58:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 05:58:33,739 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 05:58:33,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 05:58:33,930 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-01-10 05:58:33,931 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 05:58:33,937 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 05:58:33,937 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 05:58:33,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:58:33 BoogieIcfgContainer [2025-01-10 05:58:33,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 05:58:33,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 05:58:33,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 05:58:33,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 05:58:33,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:58:32" (1/3) ... [2025-01-10 05:58:33,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ba0f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:58:33, skipping insertion in model container [2025-01-10 05:58:33,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:58:33" (2/3) ... [2025-01-10 05:58:33,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ba0f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:58:33, skipping insertion in model container [2025-01-10 05:58:33,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:58:33" (3/3) ... [2025-01-10 05:58:33,945 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2025-01-10 05:58:33,955 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 05:58:33,957 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_14_bad.i that has 2 procedures, 43 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-10 05:58:33,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 05:58:34,000 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;@4c71d44d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 05:58:34,001 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-10 05:58:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 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) [2025-01-10 05:58:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 05:58:34,009 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 05:58:34,009 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 05:58:34,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 05:58:34,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 05:58:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash 433338487, now seen corresponding path program 1 times [2025-01-10 05:58:34,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 05:58:34,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217473082] [2025-01-10 05:58:34,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 05:58:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 05:58:34,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 05:58:34,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 05:58:34,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 05:58:34,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 05:58:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 05:58:34,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 05:58:34,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217473082] [2025-01-10 05:58:34,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217473082] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 05:58:34,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 05:58:34,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 05:58:34,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238379514] [2025-01-10 05:58:34,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 05:58:34,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 05:58:34,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 05:58:34,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 05:58:34,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 05:58:34,189 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-01-10 05:58:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 05:58:34,206 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2025-01-10 05:58:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 05:58:34,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2025-01-10 05:58:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 05:58:34,212 INFO L225 Difference]: With dead ends: 59 [2025-01-10 05:58:34,212 INFO L226 Difference]: Without dead ends: 36 [2025-01-10 05:58:34,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 05:58:34,216 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 05:58:34,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 05:58:34,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-01-10 05:58:34,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-01-10 05:58:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.46875) 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) [2025-01-10 05:58:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2025-01-10 05:58:34,239 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 11 [2025-01-10 05:58:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 05:58:34,239 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2025-01-10 05:58:34,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-01-10 05:58:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2025-01-10 05:58:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 05:58:34,240 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 05:58:34,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 05:58:34,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 05:58:34,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 05:58:34,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 05:58:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash -423377772, now seen corresponding path program 1 times [2025-01-10 05:58:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 05:58:34,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395095715] [2025-01-10 05:58:34,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 05:58:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 05:58:34,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 05:58:34,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 05:58:34,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 05:58:34,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 05:58:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 05:58:34,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 05:58:34,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395095715] [2025-01-10 05:58:34,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395095715] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 05:58:34,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 05:58:34,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 05:58:34,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250287412] [2025-01-10 05:58:34,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 05:58:34,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 05:58:34,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 05:58:34,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 05:58:34,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-10 05:58:34,530 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2025-01-10 05:58:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 05:58:34,640 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2025-01-10 05:58:34,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 05:58:34,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2025-01-10 05:58:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 05:58:34,641 INFO L225 Difference]: With dead ends: 42 [2025-01-10 05:58:34,641 INFO L226 Difference]: Without dead ends: 41 [2025-01-10 05:58:34,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-10 05:58:34,642 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 05:58:34,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 191 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 05:58:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-01-10 05:58:34,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2025-01-10 05:58:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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) [2025-01-10 05:58:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2025-01-10 05:58:34,649 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 17 [2025-01-10 05:58:34,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 05:58:34,651 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2025-01-10 05:58:34,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2025-01-10 05:58:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2025-01-10 05:58:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 05:58:34,653 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 05:58:34,653 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 05:58:34,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 05:58:34,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-01-10 05:58:34,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 05:58:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1868440622, now seen corresponding path program 1 times [2025-01-10 05:58:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 05:58:34,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735137326] [2025-01-10 05:58:34,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 05:58:34,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 05:58:34,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 05:58:34,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 05:58:34,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 05:58:34,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 05:58:34,674 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 05:58:34,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 05:58:34,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 05:58:34,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 05:58:34,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 05:58:34,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 05:58:34,705 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 05:58:34,705 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-01-10 05:58:34,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-01-10 05:58:34,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 05:58:34,710 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-10 05:58:34,753 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 05:58:34,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:58:34 BoogieIcfgContainer [2025-01-10 05:58:34,755 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 05:58:34,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 05:58:34,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 05:58:34,756 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 05:58:34,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:58:33" (3/4) ... [2025-01-10 05:58:34,757 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-10 05:58:34,794 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 7. [2025-01-10 05:58:34,831 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 05:58:34,831 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 05:58:34,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 05:58:34,832 INFO L158 Benchmark]: Toolchain (without parser) took 1986.21ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 100.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2025-01-10 05:58:34,833 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 05:58:34,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.36ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 43.3MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-10 05:58:34,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.33ms. Allocated memory is still 142.6MB. Free memory was 43.3MB in the beginning and 39.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 05:58:34,833 INFO L158 Benchmark]: Boogie Preprocessor took 27.77ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 38.8MB in the end (delta: 994.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 05:58:34,833 INFO L158 Benchmark]: RCFGBuilder took 385.72ms. Allocated memory is still 142.6MB. Free memory was 38.8MB in the beginning and 92.7MB in the end (delta: -53.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2025-01-10 05:58:34,834 INFO L158 Benchmark]: TraceAbstraction took 816.17ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 105.9MB in the end (delta: -14.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2025-01-10 05:58:34,834 INFO L158 Benchmark]: Witness Printer took 76.06ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 100.3MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 05:58:34,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.36ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 43.3MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.33ms. Allocated memory is still 142.6MB. Free memory was 43.3MB in the beginning and 39.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.77ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 38.8MB in the end (delta: 994.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.72ms. Allocated memory is still 142.6MB. Free memory was 38.8MB in the beginning and 92.7MB in the end (delta: -53.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 816.17ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 105.9MB in the end (delta: -14.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Witness Printer took 76.06ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 100.3MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 93 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-01-10 05:58:34,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)