./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_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 876b6b94c6f015c3e2e8d11004d7088aa5c426787d83ca58011162e55393a217 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:08:03,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:08:03,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 19:08:03,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:08:03,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:08:03,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:08:03,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:08:03,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:08:03,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:08:03,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:08:03,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:08:03,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:08:03,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:08:03,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:08:03,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:08:03,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:08:03,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:08:03,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 19:08:03,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:08:03,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:08:03,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:08:03,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:08:03,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:08:03,223 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:08:03,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:08:03,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:08:03,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:08:03,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:08:03,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:08:03,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:08:03,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:08:03,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:08:03,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:08:03,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:08:03,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:08:03,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 19:08:03,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 19:08:03,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:08:03,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:08:03,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:08:03,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:08:03,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876b6b94c6f015c3e2e8d11004d7088aa5c426787d83ca58011162e55393a217 [2024-11-12 19:08:03,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:08:03,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:08:03,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:08:03,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:08:03,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:08:03,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_bad.i [2024-11-12 19:08:04,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:08:05,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:08:05,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_bad.i [2024-11-12 19:08:05,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4c729dc/5a706090c80a4cd2b03d400658c35b60/FLAG2c0d4af30 [2024-11-12 19:08:05,544 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4c729dc/5a706090c80a4cd2b03d400658c35b60 [2024-11-12 19:08:05,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:08:05,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:08:05,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:08:05,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:08:05,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:08:05,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:08:05" (1/1) ... [2024-11-12 19:08:05,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bb257e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:05, skipping insertion in model container [2024-11-12 19:08:05,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:08:05" (1/1) ... [2024-11-12 19:08:05,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:08:06,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:08:06,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:08:06,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:08:06,668 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:08:06,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06 WrapperNode [2024-11-12 19:08:06,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:08:06,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:08:06,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:08:06,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:08:06,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,746 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-12 19:08:06,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:08:06,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:08:06,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:08:06,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:08:06,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,779 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:08:06,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:08:06,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:08:06,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:08:06,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:08:06,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (1/1) ... [2024-11-12 19:08:06,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:08:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:08:06,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 19:08:06,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 19:08:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:08:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:08:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:08:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:08:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:08:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-12 19:08:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-12 19:08:07,064 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:08:07,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:08:07,194 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 19:08:07,194 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:08:07,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:08:07,210 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:08:07,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:07 BoogieIcfgContainer [2024-11-12 19:08:07,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:08:07,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:08:07,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:08:07,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:08:07,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:08:05" (1/3) ... [2024-11-12 19:08:07,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316ca488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:08:07, skipping insertion in model container [2024-11-12 19:08:07,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:06" (2/3) ... [2024-11-12 19:08:07,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316ca488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:08:07, skipping insertion in model container [2024-11-12 19:08:07,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:07" (3/3) ... [2024-11-12 19:08:07,222 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_08_bad.i [2024-11-12 19:08:07,243 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:08:07,243 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:08:07,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:08:07,321 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;@4cb14c74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:08:07,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:08:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 19:08:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 19:08:07,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:08:07,334 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:08:07,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:08:07,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:08:07,342 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2024-11-12 19:08:07,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:08:07,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189805599] [2024-11-12 19:08:07,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:08:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:08:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 19:08:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 19:08:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 19:08:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 19:08:07,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 19:08:07,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189805599] [2024-11-12 19:08:07,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189805599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 19:08:07,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 19:08:07,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 19:08:07,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94715240] [2024-11-12 19:08:07,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 19:08:07,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 19:08:07,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 19:08:07,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 19:08:07,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 19:08:07,780 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 19:08:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 19:08:07,826 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-11-12 19:08:07,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 19:08:07,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-12 19:08:07,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 19:08:07,836 INFO L225 Difference]: With dead ends: 46 [2024-11-12 19:08:07,836 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 19:08:07,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 19:08:07,842 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 19:08:07,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 92 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 19:08:07,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 19:08:07,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2024-11-12 19:08:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 19:08:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-12 19:08:07,876 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 21 [2024-11-12 19:08:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 19:08:07,880 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-12 19:08:07,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 19:08:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-12 19:08:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 19:08:07,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:08:07,882 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:08:07,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 19:08:07,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:08:07,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:08:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -207759530, now seen corresponding path program 1 times [2024-11-12 19:08:07,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:08:07,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355754759] [2024-11-12 19:08:07,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:08:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:08:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 19:08:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 19:08:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 19:08:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 19:08:08,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 19:08:08,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355754759] [2024-11-12 19:08:08,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355754759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 19:08:08,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288627345] [2024-11-12 19:08:08,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:08:08,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 19:08:08,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:08:08,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 19:08:08,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 19:08:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:08,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 19:08:08,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 19:08:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 19:08:08,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 19:08:08,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288627345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 19:08:08,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 19:08:08,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-12 19:08:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311845017] [2024-11-12 19:08:08,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 19:08:08,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 19:08:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 19:08:08,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 19:08:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 19:08:08,235 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 19:08:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 19:08:08,248 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2024-11-12 19:08:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 19:08:08,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-12 19:08:08,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 19:08:08,251 INFO L225 Difference]: With dead ends: 30 [2024-11-12 19:08:08,251 INFO L226 Difference]: Without dead ends: 20 [2024-11-12 19:08:08,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 19:08:08,253 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 19:08:08,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 19:08:08,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-12 19:08:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-12 19:08:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 19:08:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-12 19:08:08,259 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 21 [2024-11-12 19:08:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 19:08:08,259 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-12 19:08:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 19:08:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-12 19:08:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-12 19:08:08,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:08:08,263 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:08:08,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 19:08:08,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 19:08:08,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:08:08,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:08:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1469330851, now seen corresponding path program 1 times [2024-11-12 19:08:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:08:08,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084934795] [2024-11-12 19:08:08,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:08:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:08:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:08:08,489 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:08:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:08:08,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 19:08:08,521 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:08:08,523 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:08:08,524 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:08:08,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 19:08:08,528 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-12 19:08:08,552 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:08:08,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:08:08 BoogieIcfgContainer [2024-11-12 19:08:08,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:08:08,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:08:08,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:08:08,556 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:08:08,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:07" (3/4) ... [2024-11-12 19:08:08,560 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:08:08,561 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:08:08,561 INFO L158 Benchmark]: Toolchain (without parser) took 3014.32ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 106.1MB in the beginning and 132.7MB in the end (delta: -26.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-12 19:08:08,561 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:08:08,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.83ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 105.7MB in the beginning and 213.4MB in the end (delta: -107.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2024-11-12 19:08:08,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.74ms. Allocated memory is still 251.7MB. Free memory was 213.4MB in the beginning and 210.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:08:08,562 INFO L158 Benchmark]: Boogie Preprocessor took 49.39ms. Allocated memory is still 251.7MB. Free memory was 210.3MB in the beginning and 209.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:08:08,563 INFO L158 Benchmark]: RCFGBuilder took 411.99ms. Allocated memory is still 251.7MB. Free memory was 209.2MB in the beginning and 195.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:08:08,563 INFO L158 Benchmark]: TraceAbstraction took 1341.74ms. Allocated memory is still 251.7MB. Free memory was 194.6MB in the beginning and 133.7MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-12 19:08:08,563 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 251.7MB. Free memory was 133.7MB in the beginning and 132.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:08:08,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.83ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 105.7MB in the beginning and 213.4MB in the end (delta: -107.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.74ms. Allocated memory is still 251.7MB. Free memory was 213.4MB in the beginning and 210.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.39ms. Allocated memory is still 251.7MB. Free memory was 210.3MB in the beginning and 209.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.99ms. Allocated memory is still 251.7MB. Free memory was 209.2MB in the beginning and 195.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1341.74ms. Allocated memory is still 251.7MB. Free memory was 194.6MB in the beginning and 133.7MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 251.7MB. Free memory was 133.7MB in the beginning and 132.7MB in the end (delta: 1.0MB). 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: 1567]: 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 1576. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_max_postinc_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] data = 0x7fffffff 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 55 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:08:08,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_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 876b6b94c6f015c3e2e8d11004d7088aa5c426787d83ca58011162e55393a217 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:08:10,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:08:10,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 19:08:10,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:08:10,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:08:10,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 19:08:10,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:08:10,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:08:10,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:08:10,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:08:10,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:08:10,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:08:10,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:08:10,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:08:10,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:08:10,953 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:08:10,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:08:10,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:08:10,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:08:10,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:08:10,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:08:10,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:08:10,956 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 19:08:10,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 19:08:10,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:08:10,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:08:10,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 19:08:10,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:08:10,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:08:10,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:08:10,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:08:10,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:08:10,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:08:10,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:08:10,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:08:10,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:08:10,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:08:10,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:08:10,961 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 19:08:10,962 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 19:08:10,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:08:10,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:08:10,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:08:10,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:08:10,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876b6b94c6f015c3e2e8d11004d7088aa5c426787d83ca58011162e55393a217 [2024-11-12 19:08:11,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:08:11,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:08:11,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:08:11,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:08:11,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:08:11,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_bad.i [2024-11-12 19:08:12,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:08:13,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:08:13,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_08_bad.i [2024-11-12 19:08:13,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660fc8448/fe9998b427234b14baf7c0e3dae1f35c/FLAGf97f455b2 [2024-11-12 19:08:13,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660fc8448/fe9998b427234b14baf7c0e3dae1f35c [2024-11-12 19:08:13,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:08:13,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:08:13,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:08:13,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:08:13,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:08:13,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:08:13" (1/1) ... [2024-11-12 19:08:13,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f263ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:13, skipping insertion in model container [2024-11-12 19:08:13,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:08:13" (1/1) ... [2024-11-12 19:08:13,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:08:14,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:08:14,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:08:14,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:08:14,536 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:08:14,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14 WrapperNode [2024-11-12 19:08:14,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:08:14,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:08:14,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:08:14,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:08:14,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,593 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-12 19:08:14,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:08:14,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:08:14,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:08:14,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:08:14,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,616 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:08:14,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:08:14,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:08:14,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:08:14,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:08:14,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (1/1) ... [2024-11-12 19:08:14,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:08:14,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:08:14,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 19:08:14,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 19:08:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:08:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:08:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:08:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:08:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:08:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-12 19:08:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-12 19:08:14,852 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:08:14,854 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:08:14,970 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-12 19:08:14,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:08:14,985 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:08:14,985 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:08:14,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:14 BoogieIcfgContainer [2024-11-12 19:08:14,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:08:14,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:08:14,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:08:14,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:08:14,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:08:13" (1/3) ... [2024-11-12 19:08:14,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b93aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:08:14, skipping insertion in model container [2024-11-12 19:08:14,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:14" (2/3) ... [2024-11-12 19:08:14,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b93aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:08:14, skipping insertion in model container [2024-11-12 19:08:14,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:14" (3/3) ... [2024-11-12 19:08:14,997 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_08_bad.i [2024-11-12 19:08:15,011 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:08:15,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:08:15,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:08:15,078 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;@12112f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:08:15,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:08:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 19:08:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 19:08:15,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:08:15,094 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:08:15,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:08:15,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:08:15,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-12 19:08:15,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:08:15,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311961912] [2024-11-12 19:08:15,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:08:15,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 19:08:15,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:08:15,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 19:08:15,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-12 19:08:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:08:15,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 19:08:15,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 19:08:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 19:08:15,306 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 19:08:15,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 19:08:15,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311961912] [2024-11-12 19:08:15,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1311961912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 19:08:15,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 19:08:15,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 19:08:15,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143374196] [2024-11-12 19:08:15,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 19:08:15,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 19:08:15,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 19:08:15,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 19:08:15,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 19:08:15,338 INFO L87 Difference]: Start difference. First operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 19:08:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 19:08:15,350 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2024-11-12 19:08:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 19:08:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2024-11-12 19:08:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 19:08:15,361 INFO L225 Difference]: With dead ends: 26 [2024-11-12 19:08:15,361 INFO L226 Difference]: Without dead ends: 18 [2024-11-12 19:08:15,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 19:08:15,370 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 19:08:15,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 19:08:15,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-12 19:08:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-12 19:08:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 19:08:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-12 19:08:15,400 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 19 [2024-11-12 19:08:15,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 19:08:15,401 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-12 19:08:15,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 19:08:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-12 19:08:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 19:08:15,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:08:15,403 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:08:15,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-12 19:08:15,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 19:08:15,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:08:15,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:08:15,605 INFO L85 PathProgramCache]: Analyzing trace with hash -734691544, now seen corresponding path program 1 times [2024-11-12 19:08:15,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:08:15,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535339907] [2024-11-12 19:08:15,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:08:15,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 19:08:15,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:08:15,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 19:08:15,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-12 19:08:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:08:15,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:08:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:08:15,818 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 19:08:15,819 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:08:15,821 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:08:15,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:08:15,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-12 19:08:16,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 19:08:16,027 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 19:08:16,057 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:08:16,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:08:16 BoogieIcfgContainer [2024-11-12 19:08:16,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:08:16,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:08:16,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:08:16,061 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:08:16,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:14" (3/4) ... [2024-11-12 19:08:16,063 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:08:16,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:08:16,065 INFO L158 Benchmark]: Toolchain (without parser) took 2630.55ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.6MB in the beginning and 35.9MB in the end (delta: 3.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-12 19:08:16,066 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 58.7MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:08:16,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1101.17ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 60.5MB in the end (delta: -21.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-12 19:08:16,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.08ms. Allocated memory is still 88.1MB. Free memory was 60.5MB in the beginning and 57.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:08:16,067 INFO L158 Benchmark]: Boogie Preprocessor took 37.48ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:08:16,068 INFO L158 Benchmark]: RCFGBuilder took 353.90ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 41.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:08:16,068 INFO L158 Benchmark]: TraceAbstraction took 1070.68ms. Allocated memory is still 88.1MB. Free memory was 41.0MB in the beginning and 35.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-12 19:08:16,068 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 88.1MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:08:16,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 58.7MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1101.17ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 60.5MB in the end (delta: -21.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.08ms. Allocated memory is still 88.1MB. Free memory was 60.5MB in the beginning and 57.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.48ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.90ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 41.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1070.68ms. Allocated memory is still 88.1MB. Free memory was 41.0MB in the beginning and 35.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 88.1MB. Free memory is still 35.9MB. 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: 1567]: 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 1576. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_max_postinc_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] data = 0x7fffffff 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: 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 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:08:16,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample