./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1a7d0181e5f3bf5260bbada6bb445b851126fa97a181dbe833134795f9c4348b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:17:55,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:17:55,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 23:17:55,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:17:55,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:17:55,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:17:55,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:17:55,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:17:55,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:17:55,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:17:55,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:17:55,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:17:55,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:17:55,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:17:55,969 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:17:55,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:17:55,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:17:55,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:17:55,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:17:55,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:17:55,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:17:55,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:17:55,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:17:55,973 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:17:55,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:17:55,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:17:55,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:17:55,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:17:55,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:17:55,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:17:55,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:17:55,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:17:55,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:17:55,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:17:55,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:17:55,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:17:55,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:17:55,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:17:55,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:17:55,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:17:55,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:17:55,979 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a7d0181e5f3bf5260bbada6bb445b851126fa97a181dbe833134795f9c4348b [2024-10-11 23:17:56,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:17:56,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:17:56,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:17:56,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:17:56,252 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:17:56,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i [2024-10-11 23:17:57,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:17:58,057 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:17:58,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i [2024-10-11 23:17:58,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/22004fa2e/240129e9aff14f49bb466d423efa5d9e/FLAGdb57f3f49 [2024-10-11 23:17:58,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/22004fa2e/240129e9aff14f49bb466d423efa5d9e [2024-10-11 23:17:58,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:17:58,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:17:58,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:17:58,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:17:58,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:17:58,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:17:58" (1/1) ... [2024-10-11 23:17:58,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4563d5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:58, skipping insertion in model container [2024-10-11 23:17:58,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:17:58" (1/1) ... [2024-10-11 23:17:58,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:17:58,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:17:58,906 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:17:59,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:17:59,125 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:17:59,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59 WrapperNode [2024-10-11 23:17:59,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:17:59,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:17:59,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:17:59,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:17:59,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,197 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 40 [2024-10-11 23:17:59,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:17:59,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:17:59,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:17:59,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:17:59,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,215 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,224 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:17:59,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:17:59,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:17:59,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:17:59,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:17:59,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (1/1) ... [2024-10-11 23:17:59,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:17:59,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:17:59,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:17:59,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:17:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:17:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:17:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:17:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:17:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:17:59,427 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:17:59,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:17:59,511 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-11 23:17:59,511 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:17:59,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:17:59,547 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:17:59,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:17:59 BoogieIcfgContainer [2024-10-11 23:17:59,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:17:59,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:17:59,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:17:59,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:17:59,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:17:58" (1/3) ... [2024-10-11 23:17:59,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f4a8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:17:59, skipping insertion in model container [2024-10-11 23:17:59,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:17:59" (2/3) ... [2024-10-11 23:17:59,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f4a8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:17:59, skipping insertion in model container [2024-10-11 23:17:59,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:17:59" (3/3) ... [2024-10-11 23:17:59,557 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_41_bad.i [2024-10-11 23:17:59,572 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:17:59,573 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:17:59,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:17:59,624 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;@4d802571, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:17:59,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 23:17:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-11 23:17:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 23:17:59,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:17:59,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:17:59,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 23:17:59,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:17:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-11 23:17:59,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:17:59,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32364804] [2024-10-11 23:17:59,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:17:59,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:17:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:17:59,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 23:17:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:17:59,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 23:17:59,840 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 23:17:59,841 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 23:17:59,842 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 23:17:59,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:17:59,846 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 23:17:59,858 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:17:59,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:17:59 BoogieIcfgContainer [2024-10-11 23:17:59,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:17:59,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:17:59,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:17:59,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:17:59,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:17:59" (3/4) ... [2024-10-11 23:17:59,863 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 23:17:59,864 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:17:59,864 INFO L158 Benchmark]: Toolchain (without parser) took 1763.93ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 136.0MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:17:59,865 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 131.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:17:59,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.06ms. Allocated memory is still 172.0MB. Free memory was 98.5MB in the beginning and 78.5MB in the end (delta: 20.0MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-10-11 23:17:59,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.60ms. Allocated memory is still 172.0MB. Free memory was 78.5MB in the beginning and 75.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:17:59,866 INFO L158 Benchmark]: Boogie Preprocessor took 35.44ms. Allocated memory is still 172.0MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:17:59,866 INFO L158 Benchmark]: RCFGBuilder took 312.87ms. Allocated memory is still 172.0MB. Free memory was 73.5MB in the beginning and 60.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 23:17:59,866 INFO L158 Benchmark]: TraceAbstraction took 310.11ms. Allocated memory is still 172.0MB. Free memory was 59.6MB in the beginning and 136.0MB in the end (delta: -76.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:17:59,866 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 172.0MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:17:59,869 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 172.0MB. Free memory was 131.7MB in the beginning and 131.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1025.06ms. Allocated memory is still 172.0MB. Free memory was 98.5MB in the beginning and 78.5MB in the end (delta: 20.0MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.60ms. Allocated memory is still 172.0MB. Free memory was 78.5MB in the beginning and 75.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.44ms. Allocated memory is still 172.0MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.87ms. Allocated memory is still 172.0MB. Free memory was 73.5MB in the beginning and 60.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 310.11ms. Allocated memory is still 172.0MB. Free memory was 59.6MB in the beginning and 136.0MB in the end (delta: -76.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 172.0MB. Free memory is still 136.0MB. 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: 1551]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1559] data = (-0x7fffffff - 1) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-10-11 23:17:59,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1a7d0181e5f3bf5260bbada6bb445b851126fa97a181dbe833134795f9c4348b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:18:02,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:18:02,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 23:18:02,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:18:02,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:18:02,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 23:18:02,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:18:02,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:18:02,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:18:02,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:18:02,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:18:02,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:18:02,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:18:02,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:18:02,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:18:02,220 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:18:02,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:18:02,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:18:02,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:18:02,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:18:02,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:18:02,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:18:02,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 23:18:02,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 23:18:02,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:18:02,223 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:18:02,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 23:18:02,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:18:02,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:18:02,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:18:02,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:18:02,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:18:02,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:18:02,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:18:02,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:18:02,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:18:02,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:18:02,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:18:02,226 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 23:18:02,226 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 23:18:02,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:18:02,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:18:02,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:18:02,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:18:02,227 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 23:18:02,228 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a7d0181e5f3bf5260bbada6bb445b851126fa97a181dbe833134795f9c4348b [2024-10-11 23:18:02,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:18:02,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:18:02,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:18:02,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:18:02,595 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:18:02,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i [2024-10-11 23:18:04,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:18:04,474 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:18:04,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_41_bad.i [2024-10-11 23:18:04,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/66c941fee/ebb4cad6e0654400b627b18fc2b54da1/FLAG460f62813 [2024-10-11 23:18:04,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/66c941fee/ebb4cad6e0654400b627b18fc2b54da1 [2024-10-11 23:18:04,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:18:04,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:18:04,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:18:04,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:18:04,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:18:04,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:18:04" (1/1) ... [2024-10-11 23:18:04,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e092c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:04, skipping insertion in model container [2024-10-11 23:18:04,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:18:04" (1/1) ... [2024-10-11 23:18:04,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:18:05,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:18:05,397 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:18:05,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:18:05,663 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:18:05,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05 WrapperNode [2024-10-11 23:18:05,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:18:05,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:18:05,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:18:05,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:18:05,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,727 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 40 [2024-10-11 23:18:05,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:18:05,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:18:05,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:18:05,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:18:05,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,759 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:18:05,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:18:05,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:18:05,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:18:05,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:18:05,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (1/1) ... [2024-10-11 23:18:05,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:18:05,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:18:05,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:18:05,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:18:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:18:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:18:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:18:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:18:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:18:05,985 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:18:05,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:18:06,098 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-11 23:18:06,098 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:18:06,144 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:18:06,145 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:18:06,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:06 BoogieIcfgContainer [2024-10-11 23:18:06,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:18:06,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:18:06,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:18:06,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:18:06,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:18:04" (1/3) ... [2024-10-11 23:18:06,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf8af85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:18:06, skipping insertion in model container [2024-10-11 23:18:06,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:05" (2/3) ... [2024-10-11 23:18:06,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf8af85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:18:06, skipping insertion in model container [2024-10-11 23:18:06,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:06" (3/3) ... [2024-10-11 23:18:06,155 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_41_bad.i [2024-10-11 23:18:06,173 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:18:06,173 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:18:06,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:18:06,239 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;@6e28575e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:18:06,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 23:18:06,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-11 23:18:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 23:18:06,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:06,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:06,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 23:18:06,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:06,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2024-10-11 23:18:06,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:18:06,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616137712] [2024-10-11 23:18:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:06,265 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 [2024-10-11 23:18:06,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:18:06,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 23:18:06,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 23:18:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:18:06,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 23:18:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 23:18:06,453 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-11 23:18:06,455 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 23:18:06,456 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 23:18:06,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 23:18:06,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-11 23:18:06,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 23:18:06,662 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 23:18:06,683 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:18:06,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:18:06 BoogieIcfgContainer [2024-10-11 23:18:06,687 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:18:06,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:18:06,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:18:06,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:18:06,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:06" (3/4) ... [2024-10-11 23:18:06,691 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 23:18:06,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:18:06,695 INFO L158 Benchmark]: Toolchain (without parser) took 2173.92ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 41.1MB in the end (delta: -6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:18:06,695 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 46.1MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:18:06,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.79ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: -50.8kB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-10-11 23:18:06,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.44ms. Allocated memory is still 73.4MB. Free memory was 34.1MB in the beginning and 31.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:06,698 INFO L158 Benchmark]: Boogie Preprocessor took 46.88ms. Allocated memory is still 73.4MB. Free memory was 31.0MB in the beginning and 28.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:06,699 INFO L158 Benchmark]: RCFGBuilder took 370.09ms. Allocated memory is still 73.4MB. Free memory was 28.5MB in the beginning and 35.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 23:18:06,699 INFO L158 Benchmark]: TraceAbstraction took 540.07ms. Allocated memory is still 73.4MB. Free memory was 34.9MB in the beginning and 41.5MB in the end (delta: -6.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-10-11 23:18:06,700 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 41.1MB in the end (delta: 425.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:18:06,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 46.1MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1142.79ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: -50.8kB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.44ms. Allocated memory is still 73.4MB. Free memory was 34.1MB in the beginning and 31.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.88ms. Allocated memory is still 73.4MB. Free memory was 31.0MB in the beginning and 28.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.09ms. Allocated memory is still 73.4MB. Free memory was 28.5MB in the beginning and 35.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 540.07ms. Allocated memory is still 73.4MB. Free memory was 34.9MB in the beginning and 41.5MB in the end (delta: -6.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 41.1MB in the end (delta: 425.0kB). 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: 1551]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1559] data = (-0x7fffffff - 1) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-10-11 23:18:06,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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