./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_01_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/CWE190_Integer_Overflow__int_rand_multiply_01_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 d1b91f5546a335ee4695e7ee04893df065cc54c359ef7a5d8bb7a68157a591f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:04:35,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:04:35,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:04:35,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:04:35,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:04:35,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:04:35,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:04:35,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:04:35,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:04:35,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:04:35,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:04:35,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:04:35,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:04:35,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:04:35,859 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:04:35,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:04:35,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:04:35,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:04:35,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:04:35,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:04:35,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:04:35,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:04:35,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:04:35,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:04:35,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:04:35,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:04:35,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:04:35,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:04:35,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:04:35,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:04:35,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:04:35,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:04:35,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:04:35,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:04:35,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:04:35,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:04:35,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:04:35,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:04:35,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:04:35,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:04:35,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:04:35,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b91f5546a335ee4695e7ee04893df065cc54c359ef7a5d8bb7a68157a591f3 [2024-10-24 22:04:36,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:04:36,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:04:36,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:04:36,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:04:36,210 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:04:36,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_01_bad.i [2024-10-24 22:04:37,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:04:37,971 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:04:37,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_01_bad.i [2024-10-24 22:04:38,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6f5f80d/aac47e9c7a66426a9c6de79e58ebc8bb/FLAG14987562b [2024-10-24 22:04:38,023 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6f5f80d/aac47e9c7a66426a9c6de79e58ebc8bb [2024-10-24 22:04:38,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:04:38,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:04:38,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:04:38,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:04:38,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:04:38,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:38" (1/1) ... [2024-10-24 22:04:38,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d626ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:38, skipping insertion in model container [2024-10-24 22:04:38,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:38" (1/1) ... [2024-10-24 22:04:38,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:04:38,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:04:38,855 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:04:38,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:04:39,056 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:04:39,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39 WrapperNode [2024-10-24 22:04:39,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:04:39,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:04:39,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:04:39,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:04:39,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,117 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-10-24 22:04:39,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:04:39,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:04:39,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:04:39,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:04:39,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,158 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:04:39,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:04:39,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:04:39,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:04:39,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:04:39,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (1/1) ... [2024-10-24 22:04:39,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:04:39,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:39,218 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 22:04:39,224 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 22:04:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:04:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:04:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:04:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:04:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:04:39,436 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:04:39,438 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:04:39,684 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-10-24 22:04:39,685 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:04:39,713 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:04:39,714 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:04:39,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:39 BoogieIcfgContainer [2024-10-24 22:04:39,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:04:39,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:04:39,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:04:39,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:04:39,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:04:38" (1/3) ... [2024-10-24 22:04:39,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81c97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:39, skipping insertion in model container [2024-10-24 22:04:39,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:39" (2/3) ... [2024-10-24 22:04:39,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81c97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:39, skipping insertion in model container [2024-10-24 22:04:39,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:39" (3/3) ... [2024-10-24 22:04:39,726 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_01_bad.i [2024-10-24 22:04:39,739 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:04:39,739 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:04:39,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:04:39,805 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;@765b2c42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:04:39,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:04:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 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 22:04:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 22:04:39,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:39,818 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:39,819 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:04:39,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:39,824 INFO L85 PathProgramCache]: Analyzing trace with hash -432913042, now seen corresponding path program 1 times [2024-10-24 22:04:39,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:39,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309508868] [2024-10-24 22:04:39,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:39,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:40,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:40,117 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 22:04:40,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:40,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309508868] [2024-10-24 22:04:40,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309508868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:40,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:40,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:04:40,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323711420] [2024-10-24 22:04:40,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:40,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:40,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:40,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:40,155 INFO L87 Difference]: Start difference. First operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:40,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:40,196 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2024-10-24 22:04:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:40,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2024-10-24 22:04:40,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:40,203 INFO L225 Difference]: With dead ends: 38 [2024-10-24 22:04:40,203 INFO L226 Difference]: Without dead ends: 33 [2024-10-24 22:04:40,205 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 22:04:40,207 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:40,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:40,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-24 22:04:40,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-24 22:04:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 22:04:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-10-24 22:04:40,239 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-10-24 22:04:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:40,239 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-10-24 22:04:40,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 22:04:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-10-24 22:04:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 22:04:40,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:40,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:40,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:04:40,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:04:40,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash -535402286, now seen corresponding path program 1 times [2024-10-24 22:04:40,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:40,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159543237] [2024-10-24 22:04:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:40,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:04:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:40,547 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 22:04:40,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:04:40,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159543237] [2024-10-24 22:04:40,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159543237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:40,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:40,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 22:04:40,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598621429] [2024-10-24 22:04:40,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:40,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 22:04:40,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:04:40,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 22:04:40,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:04:40,551 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:40,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:40,611 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2024-10-24 22:04:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:04:40,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-10-24 22:04:40,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:40,613 INFO L225 Difference]: With dead ends: 39 [2024-10-24 22:04:40,614 INFO L226 Difference]: Without dead ends: 33 [2024-10-24 22:04:40,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:04:40,616 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:40,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 176 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:04:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-24 22:04:40,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-24 22:04:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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 22:04:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-10-24 22:04:40,624 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 16 [2024-10-24 22:04:40,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:40,624 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-24 22:04:40,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:40,625 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-10-24 22:04:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 22:04:40,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:40,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:40,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 22:04:40,627 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:04:40,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:40,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1432671532, now seen corresponding path program 1 times [2024-10-24 22:04:40,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:04:40,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092504471] [2024-10-24 22:04:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:04:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:04:40,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:04:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:04:40,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 22:04:40,698 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:04:40,699 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:04:40,700 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:04:40,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 22:04:40,705 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 22:04:40,732 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:04:40,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:04:40 BoogieIcfgContainer [2024-10-24 22:04:40,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:04:40,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:04:40,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:04:40,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:04:40,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:39" (3/4) ... [2024-10-24 22:04:40,740 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:04:40,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:04:40,742 INFO L158 Benchmark]: Toolchain (without parser) took 2714.53ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 133.5MB in the beginning and 105.8MB in the end (delta: 27.7MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,743 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory was 130.7MB in the beginning and 130.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:04:40,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.92ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 125.2MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.45ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 122.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,747 INFO L158 Benchmark]: Boogie Preprocessor took 58.42ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,747 INFO L158 Benchmark]: RCFGBuilder took 533.95ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 120.0MB in the beginning and 168.7MB in the end (delta: -48.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,748 INFO L158 Benchmark]: TraceAbstraction took 1019.81ms. Allocated memory is still 216.0MB. Free memory was 168.7MB in the beginning and 106.8MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,748 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 216.0MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:40,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory was 130.7MB in the beginning and 130.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.92ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 125.2MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.45ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 122.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.42ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.95ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 120.0MB in the beginning and 168.7MB in the end (delta: -48.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1019.81ms. Allocated memory is still 216.0MB. Free memory was 168.7MB in the beginning and 106.8MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 216.0MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] 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: 1555]: 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, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 84 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 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 22:04:40,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_01_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 d1b91f5546a335ee4695e7ee04893df065cc54c359ef7a5d8bb7a68157a591f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:04:42,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:04:43,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 22:04:43,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:04:43,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:04:43,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 22:04:43,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:04:43,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:04:43,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:04:43,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:04:43,061 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:04:43,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:04:43,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:04:43,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:04:43,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:04:43,066 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:04:43,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:04:43,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:04:43,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:04:43,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:04:43,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:04:43,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:04:43,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 22:04:43,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 22:04:43,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:04:43,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:04:43,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 22:04:43,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:04:43,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:04:43,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:04:43,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:04:43,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:04:43,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:04:43,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:04:43,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:04:43,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:04:43,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:04:43,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:04:43,075 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 22:04:43,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 22:04:43,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:04:43,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:04:43,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:04:43,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:04:43,076 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 22:04:43,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b91f5546a335ee4695e7ee04893df065cc54c359ef7a5d8bb7a68157a591f3 [2024-10-24 22:04:43,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:04:43,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:04:43,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:04:43,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:04:43,423 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:04:43,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_01_bad.i [2024-10-24 22:04:44,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:04:45,159 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:04:45,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_01_bad.i [2024-10-24 22:04:45,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d2809cc/ab3e6cb9fe50493c806df0f107e2047e/FLAGf5af250d7 [2024-10-24 22:04:45,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d2809cc/ab3e6cb9fe50493c806df0f107e2047e [2024-10-24 22:04:45,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:04:45,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:04:45,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:04:45,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:04:45,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:04:45,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:45" (1/1) ... [2024-10-24 22:04:45,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441858ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:45, skipping insertion in model container [2024-10-24 22:04:45,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:45" (1/1) ... [2024-10-24 22:04:45,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:04:46,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:04:46,079 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:04:46,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:04:46,351 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:04:46,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46 WrapperNode [2024-10-24 22:04:46,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:04:46,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:04:46,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:04:46,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:04:46,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,423 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-24 22:04:46,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:04:46,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:04:46,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:04:46,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:04:46,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,461 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:04:46,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:04:46,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:04:46,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:04:46,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:04:46,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (1/1) ... [2024-10-24 22:04:46,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:04:46,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:04:46,528 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 22:04:46,531 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 22:04:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:04:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:04:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:04:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:04:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:04:46,745 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:04:46,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:04:46,889 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-10-24 22:04:46,889 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:04:46,946 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:04:46,947 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:04:46,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:46 BoogieIcfgContainer [2024-10-24 22:04:46,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:04:46,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:04:46,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:04:46,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:04:46,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:04:45" (1/3) ... [2024-10-24 22:04:46,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c086b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:46, skipping insertion in model container [2024-10-24 22:04:46,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:46" (2/3) ... [2024-10-24 22:04:46,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c086b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:46, skipping insertion in model container [2024-10-24 22:04:46,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:46" (3/3) ... [2024-10-24 22:04:46,958 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_01_bad.i [2024-10-24 22:04:46,975 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:04:46,975 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:04:47,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:04:47,056 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;@76e3514e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:04:47,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:04:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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 22:04:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 22:04:47,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:47,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:47,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:04:47,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 976206448, now seen corresponding path program 1 times [2024-10-24 22:04:47,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:04:47,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886207744] [2024-10-24 22:04:47,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:47,096 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 22:04:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:04:47,099 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 22:04:47,101 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 22:04:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:04:47,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 22:04:47,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:04:47,258 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 22:04:47,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:04:47,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 22:04:47,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886207744] [2024-10-24 22:04:47,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886207744] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:04:47,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:04:47,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:04:47,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544829508] [2024-10-24 22:04:47,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:04:47,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:04:47,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 22:04:47,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:04:47,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:04:47,315 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 4.5) 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 22:04:47,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:04:47,361 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-10-24 22:04:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:04:47,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) 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 22:04:47,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:04:47,370 INFO L225 Difference]: With dead ends: 18 [2024-10-24 22:04:47,371 INFO L226 Difference]: Without dead ends: 13 [2024-10-24 22:04:47,373 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 22:04:47,377 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:04:47,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:04:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-24 22:04:47,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-24 22:04:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:04:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-10-24 22:04:47,411 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-10-24 22:04:47,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:04:47,412 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-10-24 22:04:47,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) 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 22:04:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-10-24 22:04:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 22:04:47,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:04:47,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:04:47,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 22:04:47,617 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 22:04:47,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:04:47,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:04:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash 197628872, now seen corresponding path program 1 times [2024-10-24 22:04:47,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:04:47,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122980203] [2024-10-24 22:04:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:04:47,620 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 22:04:47,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:04:47,624 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 22:04:47,625 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 22:04:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:04:47,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:04:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:04:47,765 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 22:04:47,766 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:04:47,767 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:04:47,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:04:47,778 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 22:04:47,974 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 22:04:47,977 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 22:04:48,012 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:04:48,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:04:48 BoogieIcfgContainer [2024-10-24 22:04:48,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:04:48,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:04:48,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:04:48,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:04:48,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:46" (3/4) ... [2024-10-24 22:04:48,067 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:04:48,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:04:48,070 INFO L158 Benchmark]: Toolchain (without parser) took 2861.18ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 43.9MB in the beginning and 78.6MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:04:48,070 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:04:48,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.20ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 45.7MB in the end (delta: -1.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-10-24 22:04:48,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.84ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 42.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:48,073 INFO L158 Benchmark]: Boogie Preprocessor took 67.16ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 39.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:04:48,074 INFO L158 Benchmark]: RCFGBuilder took 453.92ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 39.7MB in the beginning and 77.6MB in the end (delta: -37.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 22:04:48,074 INFO L158 Benchmark]: TraceAbstraction took 1110.63ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 78.6MB in the end (delta: -1.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-24 22:04:48,074 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 109.1MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:04:48,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1142.20ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 45.7MB in the end (delta: -1.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.84ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 42.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.16ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 39.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.92ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 39.7MB in the beginning and 77.6MB in the end (delta: -37.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1110.63ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 78.6MB in the end (delta: -1.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 109.1MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] 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: 1555]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 12 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=18occurred 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, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 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 22:04:48,124 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