./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_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_add_21_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 107e06889b217f986ad9069a6f5ad6ecfe086cd281e980f4921b7fd356f548d1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:06:10,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:06:10,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 19:06:10,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:06:10,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:06:10,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:06:10,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:06:10,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:06:10,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:06:10,306 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:06:10,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:06:10,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:06:10,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:06:10,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:06:10,307 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:06:10,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:06:10,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:06:10,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 19:06:10,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:06:10,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:06:10,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:06:10,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:06:10,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:06:10,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:06:10,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:06:10,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:06:10,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:06:10,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:06:10,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:06:10,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:06:10,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:06:10,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:06:10,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:06:10,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:06:10,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:06:10,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 19:06:10,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 19:06:10,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:06:10,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:06:10,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:06:10,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:06:10,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 107e06889b217f986ad9069a6f5ad6ecfe086cd281e980f4921b7fd356f548d1 [2024-11-12 19:06:10,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:06:10,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:06:10,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:06:10,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:06:10,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:06:10,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_bad.i [2024-11-12 19:06:11,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:06:11,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:06:11,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_bad.i [2024-11-12 19:06:11,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7ae5b06/eca28ba7f3c846438ef0989d9003e280/FLAG5cf424ce4 [2024-11-12 19:06:11,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7ae5b06/eca28ba7f3c846438ef0989d9003e280 [2024-11-12 19:06:11,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:06:11,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:06:11,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:06:11,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:06:11,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:06:11,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:06:11" (1/1) ... [2024-11-12 19:06:11,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d60025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:11, skipping insertion in model container [2024-11-12 19:06:12,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:06:11" (1/1) ... [2024-11-12 19:06:12,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:06:12,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:06:12,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:06:12,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:06:12,724 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:06:12,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12 WrapperNode [2024-11-12 19:06:12,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:06:12,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:06:12,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:06:12,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:06:12,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,777 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-12 19:06:12,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:06:12,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:06:12,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:06:12,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:06:12,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,807 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:06:12,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:06:12,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:06:12,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:06:12,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:06:12,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (1/1) ... [2024-11-12 19:06:12,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:06:12,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:06:12,851 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 19:06:12,853 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 19:06:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:06:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:06:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:06:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:06:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:06:13,000 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:06:13,002 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:06:13,075 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-12 19:06:13,076 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:06:13,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:06:13,084 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:06:13,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:06:13 BoogieIcfgContainer [2024-11-12 19:06:13,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:06:13,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:06:13,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:06:13,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:06:13,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:06:11" (1/3) ... [2024-11-12 19:06:13,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c664d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:06:13, skipping insertion in model container [2024-11-12 19:06:13,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:12" (2/3) ... [2024-11-12 19:06:13,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c664d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:06:13, skipping insertion in model container [2024-11-12 19:06:13,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:06:13" (3/3) ... [2024-11-12 19:06:13,095 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_21_bad.i [2024-11-12 19:06:13,107 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:06:13,108 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:06:13,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:06:13,158 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;@109e3f12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:06:13,158 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:06:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 19:06:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 19:06:13,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:06:13,165 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:06:13,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:06:13,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:06:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-12 19:06:13,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:06:13,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158742927] [2024-11-12 19:06:13,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:06:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:06:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:06:13,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 19:06:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:06:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 19:06:13,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 19:06:13,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158742927] [2024-11-12 19:06:13,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158742927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 19:06:13,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 19:06:13,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 19:06:13,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972068708] [2024-11-12 19:06:13,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 19:06:13,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 19:06:13,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 19:06:13,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 19:06:13,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 19:06:13,432 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 19:06:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 19:06:13,475 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-12 19:06:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 19:06:13,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-12 19:06:13,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 19:06:13,483 INFO L225 Difference]: With dead ends: 32 [2024-11-12 19:06:13,483 INFO L226 Difference]: Without dead ends: 12 [2024-11-12 19:06:13,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 19:06:13,488 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 19:06:13,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 19:06:13,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-12 19:06:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-12 19:06:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 19:06:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-12 19:06:13,512 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-12 19:06:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 19:06:13,512 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-12 19:06:13,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 19:06:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-12 19:06:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 19:06:13,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:06:13,513 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:06:13,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 19:06:13,514 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:06:13,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:06:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2024-11-12 19:06:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 19:06:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402699429] [2024-11-12 19:06:13,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:06:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 19:06:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:06:13,538 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:06:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:06:13,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 19:06:13,577 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:06:13,578 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:06:13,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:06:13,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 19:06:13,583 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 19:06:13,606 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:06:13,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:06:13 BoogieIcfgContainer [2024-11-12 19:06:13,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:06:13,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:06:13,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:06:13,611 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:06:13,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:06:13" (3/4) ... [2024-11-12 19:06:13,613 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:06:13,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:06:13,615 INFO L158 Benchmark]: Toolchain (without parser) took 1621.99ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 92.1MB in the beginning and 178.5MB in the end (delta: -86.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:13,615 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:13,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.38ms. Allocated memory is still 167.8MB. Free memory was 91.9MB in the beginning and 87.3MB in the end (delta: 4.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-12 19:06:13,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.88ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 84.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:06:13,617 INFO L158 Benchmark]: Boogie Preprocessor took 41.36ms. Allocated memory is still 167.8MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:06:13,618 INFO L158 Benchmark]: RCFGBuilder took 265.56ms. Allocated memory is still 167.8MB. Free memory was 82.2MB in the beginning and 69.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:06:13,618 INFO L158 Benchmark]: TraceAbstraction took 520.69ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 68.6MB in the beginning and 178.5MB in the end (delta: -110.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:13,619 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 226.5MB. Free memory is still 178.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:13,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.38ms. Allocated memory is still 167.8MB. Free memory was 91.9MB in the beginning and 87.3MB in the end (delta: 4.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.88ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 84.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.36ms. Allocated memory is still 167.8MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.56ms. Allocated memory is still 167.8MB. Free memory was 82.2MB in the beginning and 69.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 520.69ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 68.6MB in the beginning and 178.5MB in the end (delta: -110.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 226.5MB. Free memory is still 178.5MB. 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: 1554]: 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 1570. 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_max_add_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = 0x7fffffff [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, 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, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 18 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:06:13,647 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_add_21_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 107e06889b217f986ad9069a6f5ad6ecfe086cd281e980f4921b7fd356f548d1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 19:06:15,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 19:06:15,403 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-12 19:06:15,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 19:06:15,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 19:06:15,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-12 19:06:15,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 19:06:15,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 19:06:15,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 19:06:15,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 19:06:15,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 19:06:15,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 19:06:15,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 19:06:15,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 19:06:15,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 19:06:15,443 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 19:06:15,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 19:06:15,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 19:06:15,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 19:06:15,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 19:06:15,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 19:06:15,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 19:06:15,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 19:06:15,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 19:06:15,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 19:06:15,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 19:06:15,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 19:06:15,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 19:06:15,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 19:06:15,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 19:06:15,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 19:06:15,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 19:06:15,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 19:06:15,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 19:06:15,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:06:15,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 19:06:15,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 19:06:15,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 19:06:15,447 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 19:06:15,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 19:06:15,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 19:06:15,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 19:06:15,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 19:06:15,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 19:06:15,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 107e06889b217f986ad9069a6f5ad6ecfe086cd281e980f4921b7fd356f548d1 [2024-11-12 19:06:15,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 19:06:15,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 19:06:15,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 19:06:15,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 19:06:15,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 19:06:15,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_bad.i [2024-11-12 19:06:16,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 19:06:17,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 19:06:17,181 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_bad.i [2024-11-12 19:06:17,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3fa6118/f74a413e7492468797b3aaecf90a0b93/FLAG3210f00a1 [2024-11-12 19:06:17,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3fa6118/f74a413e7492468797b3aaecf90a0b93 [2024-11-12 19:06:17,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 19:06:17,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 19:06:17,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 19:06:17,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 19:06:17,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 19:06:17,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:06:17" (1/1) ... [2024-11-12 19:06:17,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe29a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:17, skipping insertion in model container [2024-11-12 19:06:17,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:06:17" (1/1) ... [2024-11-12 19:06:17,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 19:06:18,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:06:18,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 19:06:18,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 19:06:18,324 INFO L204 MainTranslator]: Completed translation [2024-11-12 19:06:18,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18 WrapperNode [2024-11-12 19:06:18,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 19:06:18,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 19:06:18,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 19:06:18,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 19:06:18,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,382 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-12 19:06:18,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 19:06:18,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 19:06:18,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 19:06:18,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 19:06:18,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,406 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 19:06:18,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 19:06:18,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 19:06:18,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 19:06:18,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 19:06:18,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (1/1) ... [2024-11-12 19:06:18,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 19:06:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 19:06:18,453 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 19:06:18,455 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 19:06:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-12 19:06:18,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-12 19:06:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 19:06:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 19:06:18,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 19:06:18,592 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 19:06:18,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 19:06:18,692 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 19:06:18,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 19:06:18,702 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 19:06:18,702 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 19:06:18,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:06:18 BoogieIcfgContainer [2024-11-12 19:06:18,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 19:06:18,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 19:06:18,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 19:06:18,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 19:06:18,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:06:17" (1/3) ... [2024-11-12 19:06:18,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c3ea63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:06:18, skipping insertion in model container [2024-11-12 19:06:18,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:06:18" (2/3) ... [2024-11-12 19:06:18,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c3ea63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:06:18, skipping insertion in model container [2024-11-12 19:06:18,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:06:18" (3/3) ... [2024-11-12 19:06:18,711 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_21_bad.i [2024-11-12 19:06:18,724 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 19:06:18,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 19:06:18,771 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 19:06:18,776 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;@6af2b43a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 19:06:18,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 19:06:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 19:06:18,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 19:06:18,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:06:18,785 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:06:18,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:06:18,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:06:18,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-12 19:06:18,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:06:18,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511427377] [2024-11-12 19:06:18,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:06:18,800 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 19:06:18,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:06:18,803 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 19:06:18,804 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 19:06:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 19:06:18,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 19:06:18,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 19:06:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 19:06:18,916 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 19:06:18,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 19:06:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511427377] [2024-11-12 19:06:18,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511427377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 19:06:18,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 19:06:18,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 19:06:18,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291478547] [2024-11-12 19:06:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 19:06:18,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 19:06:18,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 19:06:18,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 19:06:18,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 19:06:18,952 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 19:06:18,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 19:06:18,963 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-12 19:06:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 19:06:18,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-12 19:06:18,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 19:06:18,970 INFO L225 Difference]: With dead ends: 21 [2024-11-12 19:06:18,970 INFO L226 Difference]: Without dead ends: 12 [2024-11-12 19:06:18,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 19:06:18,976 INFO L435 NwaCegarLoop]: 22 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, 22 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 19:06:18,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 19:06:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-12 19:06:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-12 19:06:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 19:06:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-12 19:06:19,002 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-12 19:06:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 19:06:19,003 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-12 19:06:19,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 19:06:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-12 19:06:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 19:06:19,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 19:06:19,005 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 19:06:19,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-12 19:06:19,208 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 19:06:19,210 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 19:06:19,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 19:06:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2024-11-12 19:06:19,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 19:06:19,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457996440] [2024-11-12 19:06:19,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 19:06:19,213 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 19:06:19,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 19:06:19,215 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 19:06:19,226 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 19:06:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:06:19,293 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 19:06:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 19:06:19,335 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 19:06:19,335 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 19:06:19,337 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 19:06:19,338 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 19:06:19,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-12 19:06:19,539 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 19:06:19,542 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 19:06:19,558 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 19:06:19,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:06:19 BoogieIcfgContainer [2024-11-12 19:06:19,561 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 19:06:19,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 19:06:19,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 19:06:19,561 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 19:06:19,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:06:18" (3/4) ... [2024-11-12 19:06:19,564 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 19:06:19,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 19:06:19,566 INFO L158 Benchmark]: Toolchain (without parser) took 2088.98ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.2MB in the beginning and 65.5MB in the end (delta: -9.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-12 19:06:19,566 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:19,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.90ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 34.4MB in the end (delta: 21.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-12 19:06:19,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.56ms. Allocated memory is still 90.2MB. Free memory was 34.4MB in the beginning and 61.4MB in the end (delta: -27.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-12 19:06:19,568 INFO L158 Benchmark]: Boogie Preprocessor took 37.09ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 58.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 19:06:19,568 INFO L158 Benchmark]: RCFGBuilder took 279.83ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 45.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 19:06:19,569 INFO L158 Benchmark]: TraceAbstraction took 856.78ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 45.2MB in the beginning and 66.2MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:19,569 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 690.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 19:06:19,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.90ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 34.4MB in the end (delta: 21.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.56ms. Allocated memory is still 90.2MB. Free memory was 34.4MB in the beginning and 61.4MB in the end (delta: -27.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.09ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 58.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.83ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 45.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 856.78ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 45.2MB in the beginning and 66.2MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 690.8kB). 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: 1554]: 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 1570. 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_max_add_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = 0x7fffffff [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, 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, 22 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, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 19:06:19,595 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample