./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_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 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:51:49,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:51:49,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:51:49,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:51:49,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:51:49,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:51:49,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:51:49,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:51:49,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:51:49,657 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:51:49,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:51:49,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:51:49,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:51:49,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:51:49,659 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:51:49,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:51:49,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:51:49,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:51:49,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:51:49,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:51:49,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:51:49,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:51:49,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:51:49,663 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:51:49,663 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:51:49,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:51:49,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:51:49,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:51:49,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:51:49,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:51:49,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:51:49,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:51:49,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:51:49,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:51:49,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:51:49,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:51:49,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:51:49,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:51:49,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:51:49,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:51:49,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:51:49,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 [2024-10-24 22:51:49,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:51:49,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:51:49,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:51:49,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:51:49,941 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:51:49,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-10-24 22:51:51,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:51:51,658 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:51:51,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-10-24 22:51:51,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23addf98e/77d708503e3c42f3873a3bc1399a0542/FLAGbbcb232f2 [2024-10-24 22:51:51,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23addf98e/77d708503e3c42f3873a3bc1399a0542 [2024-10-24 22:51:51,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:51:51,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:51:51,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:51:51,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:51:51,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:51:51,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:51:51" (1/1) ... [2024-10-24 22:51:51,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e6ed4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:51, skipping insertion in model container [2024-10-24 22:51:51,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:51:51" (1/1) ... [2024-10-24 22:51:51,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:51:52,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:51:52,453 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:51:52,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:51:52,661 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:51:52,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52 WrapperNode [2024-10-24 22:51:52,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:51:52,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:51:52,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:51:52,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:51:52,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,736 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-10-24 22:51:52,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:51:52,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:51:52,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:51:52,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:51:52,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,765 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:51:52,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:51:52,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:51:52,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:51:52,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:51:52,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (1/1) ... [2024-10-24 22:51:52,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:51:52,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:51:52,827 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) [2024-10-24 22:51:52,835 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 [2024-10-24 22:51:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:51:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:51:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:51:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:51:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:51:53,043 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:51:53,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:51:53,224 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-10-24 22:51:53,224 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:51:53,251 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:51:53,252 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:51:53,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:51:53 BoogieIcfgContainer [2024-10-24 22:51:53,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:51:53,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:51:53,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:51:53,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:51:53,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:51:51" (1/3) ... [2024-10-24 22:51:53,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14896d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:51:53, skipping insertion in model container [2024-10-24 22:51:53,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:52" (2/3) ... [2024-10-24 22:51:53,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14896d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:51:53, skipping insertion in model container [2024-10-24 22:51:53,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:51:53" (3/3) ... [2024-10-24 22:51:53,261 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-10-24 22:51:53,274 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:51:53,274 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:51:53,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:51:53,319 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;@4bfa9788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:51:53,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:51:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 36 states have internal predecessors, (53), 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) [2024-10-24 22:51:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 22:51:53,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:51:53,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:51:53,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:51:53,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:51:53,335 INFO L85 PathProgramCache]: Analyzing trace with hash -157737696, now seen corresponding path program 1 times [2024-10-24 22:51:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:51:53,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207709444] [2024-10-24 22:51:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:51:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:51:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:51:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:51:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:51:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:51:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:51:53,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207709444] [2024-10-24 22:51:53,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207709444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:51:53,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:51:53,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:51:53,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868991660] [2024-10-24 22:51:53,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:51:53,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:51:53,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:51:53,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:51:53,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:51:53,728 INFO L87 Difference]: Start difference. First operand has 40 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 36 states have internal predecessors, (53), 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) [2024-10-24 22:51:53,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:51:53,784 INFO L93 Difference]: Finished difference Result 54 states and 73 transitions. [2024-10-24 22:51:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:51:53,787 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 [2024-10-24 22:51:53,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:51:53,794 INFO L225 Difference]: With dead ends: 54 [2024-10-24 22:51:53,795 INFO L226 Difference]: Without dead ends: 36 [2024-10-24 22:51:53,798 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 [2024-10-24 22:51:53,802 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:51:53,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 50 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:51:53,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-24 22:51:53,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-10-24 22:51:53,837 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) [2024-10-24 22:51:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-10-24 22:51:53,842 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 11 [2024-10-24 22:51:53,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:51:53,843 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-10-24 22:51:53,844 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) [2024-10-24 22:51:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-10-24 22:51:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 22:51:53,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:51:53,846 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:51:53,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:51:53,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:51:53,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:51:53,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1164409885, now seen corresponding path program 1 times [2024-10-24 22:51:53,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:51:53,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301026678] [2024-10-24 22:51:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:51:53,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:51:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:51:54,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:51:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:51:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:51:54,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:51:54,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301026678] [2024-10-24 22:51:54,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301026678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:51:54,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:51:54,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 22:51:54,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687120053] [2024-10-24 22:51:54,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:51:54,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 22:51:54,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:51:54,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 22:51:54,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:51:54,214 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:51:54,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:51:54,320 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2024-10-24 22:51:54,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:51:54,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-24 22:51:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:51:54,321 INFO L225 Difference]: With dead ends: 44 [2024-10-24 22:51:54,322 INFO L226 Difference]: Without dead ends: 36 [2024-10-24 22:51:54,322 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 [2024-10-24 22:51:54,324 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 39 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:51:54,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 161 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:51:54,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-24 22:51:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-10-24 22:51:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.40625) internal successors, (45), 33 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:51:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2024-10-24 22:51:54,334 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 17 [2024-10-24 22:51:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:51:54,334 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-10-24 22:51:54,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:51:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-10-24 22:51:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 22:51:54,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:51:54,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:51:54,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 22:51:54,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:51:54,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:51:54,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1162483593, now seen corresponding path program 1 times [2024-10-24 22:51:54,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:51:54,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349208112] [2024-10-24 22:51:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:51:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:51:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:51:54,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:51:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:51:54,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 22:51:54,411 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:51:54,412 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:51:54,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:51:54,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 22:51:54,418 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 22:51:54,441 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:51:54,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:51:54 BoogieIcfgContainer [2024-10-24 22:51:54,445 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:51:54,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:51:54,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:51:54,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:51:54,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:51:53" (3/4) ... [2024-10-24 22:51:54,449 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:51:54,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:51:54,450 INFO L158 Benchmark]: Toolchain (without parser) took 2733.65ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 65.6MB in the beginning and 96.4MB in the end (delta: -30.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-24 22:51:54,451 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:51:54,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.35ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 65.3MB in the beginning and 90.4MB in the end (delta: -25.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-10-24 22:51:54,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.66ms. Allocated memory is still 178.3MB. Free memory was 90.4MB in the beginning and 87.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 22:51:54,452 INFO L158 Benchmark]: Boogie Preprocessor took 48.91ms. Allocated memory is still 178.3MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:51:54,452 INFO L158 Benchmark]: RCFGBuilder took 462.44ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 67.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 22:51:54,453 INFO L158 Benchmark]: TraceAbstraction took 1191.65ms. Allocated memory is still 178.3MB. Free memory was 66.3MB in the beginning and 96.4MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:51:54,453 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 178.3MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:51:54,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.35ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 65.3MB in the beginning and 90.4MB in the end (delta: -25.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.66ms. Allocated memory is still 178.3MB. Free memory was 90.4MB in the beginning and 87.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.91ms. Allocated memory is still 178.3MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.44ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 67.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.65ms. Allocated memory is still 178.3MB. Free memory was 66.3MB in the beginning and 96.4MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 178.3MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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_multiply_13_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 GLOBAL_CONST_FIVE==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 GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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: 1560]: 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, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 211 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 90 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 22:51:54,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_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 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:51:56,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:51:56,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 22:51:56,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:51:56,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:51:56,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 22:51:56,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:51:56,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:51:56,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:51:56,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:51:56,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:51:56,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:51:56,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:51:56,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:51:56,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:51:56,755 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:51:56,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:51:56,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:51:56,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:51:56,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:51:56,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:51:56,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:51:56,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 22:51:56,761 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 22:51:56,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:51:56,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:51:56,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 22:51:56,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:51:56,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:51:56,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:51:56,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:51:56,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:51:56,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:51:56,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:51:56,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:51:56,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:51:56,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:51:56,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:51:56,765 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 22:51:56,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 22:51:56,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:51:56,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:51:56,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:51:56,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:51:56,767 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 22:51:56,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 [2024-10-24 22:51:57,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:51:57,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:51:57,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:51:57,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:51:57,144 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:51:57,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-10-24 22:51:58,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:51:59,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:51:59,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-10-24 22:51:59,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a986ff4/5ecbb0624cb8414a937870c96b5eae6c/FLAGf72c4be98 [2024-10-24 22:51:59,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a986ff4/5ecbb0624cb8414a937870c96b5eae6c [2024-10-24 22:51:59,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:51:59,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:51:59,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:51:59,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:51:59,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:51:59,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:51:59" (1/1) ... [2024-10-24 22:51:59,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ede06db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:59, skipping insertion in model container [2024-10-24 22:51:59,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:51:59" (1/1) ... [2024-10-24 22:51:59,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:52:00,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:52:00,050 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:52:00,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:52:00,262 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:52:00,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00 WrapperNode [2024-10-24 22:52:00,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:52:00,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:52:00,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:52:00,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:52:00,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,338 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-10-24 22:52:00,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:52:00,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:52:00,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:52:00,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:52:00,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,362 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:52:00,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:52:00,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:52:00,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:52:00,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:52:00,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (1/1) ... [2024-10-24 22:52:00,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:52:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:52:00,417 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) [2024-10-24 22:52:00,423 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 [2024-10-24 22:52:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:52:00,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:52:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:52:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:52:00,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:52:00,603 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:52:00,606 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:52:00,774 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-24 22:52:00,775 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:52:00,810 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:52:00,812 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:52:00,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:52:00 BoogieIcfgContainer [2024-10-24 22:52:00,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:52:00,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:52:00,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:52:00,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:52:00,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:51:59" (1/3) ... [2024-10-24 22:52:00,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21264bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:52:00, skipping insertion in model container [2024-10-24 22:52:00,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:00" (2/3) ... [2024-10-24 22:52:00,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21264bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:52:00, skipping insertion in model container [2024-10-24 22:52:00,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:52:00" (3/3) ... [2024-10-24 22:52:00,822 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-10-24 22:52:00,838 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:52:00,838 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:52:00,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:52:00,916 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;@3e5b505a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:52:00,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:52:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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) [2024-10-24 22:52:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 22:52:00,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:52:00,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:52:00,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:52:00,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:52:00,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1126768154, now seen corresponding path program 1 times [2024-10-24 22:52:00,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:52:00,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220919915] [2024-10-24 22:52:00,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:52:00,949 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 [2024-10-24 22:52:00,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:52:00,968 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) [2024-10-24 22:52:00,978 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 [2024-10-24 22:52:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:52:01,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 22:52:01,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:52:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:52:01,127 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:52:01,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 22:52:01,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220919915] [2024-10-24 22:52:01,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220919915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:52:01,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:52:01,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:52:01,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173636340] [2024-10-24 22:52:01,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:52:01,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:52:01,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 22:52:01,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:52:01,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:52:01,160 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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) [2024-10-24 22:52:01,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:52:01,195 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2024-10-24 22:52:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:52:01,197 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 [2024-10-24 22:52:01,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:52:01,204 INFO L225 Difference]: With dead ends: 42 [2024-10-24 22:52:01,204 INFO L226 Difference]: Without dead ends: 16 [2024-10-24 22:52:01,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:52:01,210 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:52:01,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:52:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-10-24 22:52:01,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-24 22:52:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) 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) [2024-10-24 22:52:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-10-24 22:52:01,239 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2024-10-24 22:52:01,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:52:01,239 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-10-24 22:52:01,240 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) [2024-10-24 22:52:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-10-24 22:52:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 22:52:01,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:52:01,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:52:01,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-24 22:52:01,444 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 [2024-10-24 22:52:01,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:52:01,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:52:01,446 INFO L85 PathProgramCache]: Analyzing trace with hash -759605941, now seen corresponding path program 1 times [2024-10-24 22:52:01,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:52:01,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466399953] [2024-10-24 22:52:01,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:52:01,448 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 [2024-10-24 22:52:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:52:01,451 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) [2024-10-24 22:52:01,453 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 [2024-10-24 22:52:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:52:01,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:52:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:52:01,563 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 22:52:01,564 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:52:01,565 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:52:01,567 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:52:01,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 22:52:01,768 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 [2024-10-24 22:52:01,771 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 22:52:01,795 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:52:01,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:52:01 BoogieIcfgContainer [2024-10-24 22:52:01,798 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:52:01,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:52:01,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:52:01,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:52:01,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:52:00" (3/4) ... [2024-10-24 22:52:01,802 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:52:01,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:52:01,805 INFO L158 Benchmark]: Toolchain (without parser) took 2688.08ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 51.3MB in the beginning and 50.9MB in the end (delta: 386.0kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 22:52:01,806 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:52:01,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1145.53ms. Allocated memory is still 81.8MB. Free memory was 51.3MB in the beginning and 30.7MB in the end (delta: 20.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-10-24 22:52:01,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.81ms. Allocated memory is still 81.8MB. Free memory was 30.7MB in the beginning and 53.5MB in the end (delta: -22.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-10-24 22:52:01,808 INFO L158 Benchmark]: Boogie Preprocessor took 42.93ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 50.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:52:01,809 INFO L158 Benchmark]: RCFGBuilder took 429.41ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 35.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 22:52:01,810 INFO L158 Benchmark]: TraceAbstraction took 983.46ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 51.6MB in the end (delta: -17.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-10-24 22:52:01,810 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 102.8MB. Free memory was 51.6MB in the beginning and 50.9MB in the end (delta: 634.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:52:01,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1145.53ms. Allocated memory is still 81.8MB. Free memory was 51.3MB in the beginning and 30.7MB in the end (delta: 20.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.81ms. Allocated memory is still 81.8MB. Free memory was 30.7MB in the beginning and 53.5MB in the end (delta: -22.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.93ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 50.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.41ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 35.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 983.46ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 51.6MB in the end (delta: -17.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 102.8MB. Free memory was 51.6MB in the beginning and 50.9MB in the end (delta: 634.2kB). 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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_multiply_13_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 GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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: 1560]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 22:52:01,867 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