./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_square_42_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 4a3e3621ebed4397dfddc32a51db6a94155e7d1733b86ba164f359a9823e148a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:31:25,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:31:25,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 12:31:25,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:31:25,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:31:25,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:31:25,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:31:25,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:31:25,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:31:25,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:31:25,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:31:25,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:31:25,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:31:25,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:31:25,143 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:31:25,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:31:25,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:31:25,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 12:31:25,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:31:25,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:31:25,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:31:25,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:31:25,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:31:25,149 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:31:25,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:31:25,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:31:25,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:31:25,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:31:25,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:31:25,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:31:25,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:31:25,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:31:25,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:31:25,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:31:25,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:31:25,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3e3621ebed4397dfddc32a51db6a94155e7d1733b86ba164f359a9823e148a [2024-11-19 12:31:25,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:31:25,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:31:25,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:31:25,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:31:25,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:31:25,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_42_bad.i [2024-11-19 12:31:26,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:31:26,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:31:26,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_42_bad.i [2024-11-19 12:31:26,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2696a8f/6321521a4b154cf18664d0f66193a39f/FLAGdb4d3d150 [2024-11-19 12:31:26,951 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2696a8f/6321521a4b154cf18664d0f66193a39f [2024-11-19 12:31:26,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:31:26,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:31:26,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:31:26,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:31:26,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:31:26,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:31:26" (1/1) ... [2024-11-19 12:31:26,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28de9c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:26, skipping insertion in model container [2024-11-19 12:31:26,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:31:26" (1/1) ... [2024-11-19 12:31:27,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:31:28,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:31:28,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:31:28,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:31:28,462 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:31:28,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28 WrapperNode [2024-11-19 12:31:28,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:31:28,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:31:28,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:31:28,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:31:28,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,552 INFO L138 Inliner]: procedures = 936, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2024-11-19 12:31:28,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:31:28,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:31:28,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:31:28,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:31:28,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,581 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 12:31:28,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:31:28,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:31:28,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:31:28,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:31:28,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (1/1) ... [2024-11-19 12:31:28,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:31:28,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:31:28,631 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) [2024-11-19 12:31:28,634 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 [2024-11-19 12:31:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:31:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:31:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:31:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:31:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:31:28,814 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:31:28,816 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:31:28,903 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-19 12:31:28,904 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:31:28,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:31:28,914 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 12:31:28,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:31:28 BoogieIcfgContainer [2024-11-19 12:31:28,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:31:28,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:31:28,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:31:28,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:31:28,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:31:26" (1/3) ... [2024-11-19 12:31:28,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20683d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:31:28, skipping insertion in model container [2024-11-19 12:31:28,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:28" (2/3) ... [2024-11-19 12:31:28,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20683d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:31:28, skipping insertion in model container [2024-11-19 12:31:28,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:31:28" (3/3) ... [2024-11-19 12:31:28,923 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_42_bad.i [2024-11-19 12:31:28,935 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:31:28,935 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:31:28,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:31:28,987 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;@38589496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:31:28,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:31:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 12:31:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 12:31:28,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:31:28,996 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:31:28,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:31:29,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:31:29,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-19 12:31:29,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:31:29,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532700854] [2024-11-19 12:31:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:31:29,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:31:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:31:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 12:31:29,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:31:29,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532700854] [2024-11-19 12:31:29,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532700854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:31:29,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:31:29,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 12:31:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393331745] [2024-11-19 12:31:29,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:31:29,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 12:31:29,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:31:29,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 12:31:29,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:31:29,207 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 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) [2024-11-19 12:31:29,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:31:29,217 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-19 12:31:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 12:31:29,219 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 [2024-11-19 12:31:29,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:31:29,223 INFO L225 Difference]: With dead ends: 20 [2024-11-19 12:31:29,223 INFO L226 Difference]: Without dead ends: 12 [2024-11-19 12:31:29,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:31:29,227 INFO L432 NwaCegarLoop]: 20 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, 20 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 [2024-11-19 12:31:29,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:31:29,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-19 12:31:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-19 12:31:29,251 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) [2024-11-19 12:31:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-19 12:31:29,252 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-19 12:31:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:31:29,253 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-19 12:31:29,253 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) [2024-11-19 12:31:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-19 12:31:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:31:29,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:31:29,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:31:29,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 12:31:29,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:31:29,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:31:29,257 INFO L85 PathProgramCache]: Analyzing trace with hash 494189941, now seen corresponding path program 1 times [2024-11-19 12:31:29,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:31:29,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018407140] [2024-11-19 12:31:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:31:29,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:31:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 12:31:29,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [916542636] [2024-11-19 12:31:29,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:31:29,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 12:31:29,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:31:29,296 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) [2024-11-19 12:31:29,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 12:31:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:31:29,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:31:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:31:29,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 12:31:29,402 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:31:29,403 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:31:29,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:31:29,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 12:31:29,605 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 [2024-11-19 12:31:29,608 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 12:31:29,628 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:31:29,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:31:29 BoogieIcfgContainer [2024-11-19 12:31:29,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:31:29,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:31:29,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:31:29,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:31:29,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:31:28" (3/4) ... [2024-11-19 12:31:29,634 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:31:29,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:31:29,635 INFO L158 Benchmark]: Toolchain (without parser) took 2680.35ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 112.2MB in the end (delta: -21.6MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-19 12:31:29,637 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:31:29,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1505.08ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 165.7MB in the end (delta: -75.1MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2024-11-19 12:31:29,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.06ms. Allocated memory is still 207.6MB. Free memory was 165.7MB in the beginning and 161.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 12:31:29,638 INFO L158 Benchmark]: Boogie Preprocessor took 36.15ms. Allocated memory is still 207.6MB. Free memory was 161.5MB in the beginning and 160.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:31:29,638 INFO L158 Benchmark]: RCFGBuilder took 324.87ms. Allocated memory is still 207.6MB. Free memory was 160.4MB in the beginning and 146.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 12:31:29,639 INFO L158 Benchmark]: TraceAbstraction took 714.52ms. Allocated memory is still 207.6MB. Free memory was 145.7MB in the beginning and 112.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 12:31:29,639 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 207.6MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:31:29,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1505.08ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 165.7MB in the end (delta: -75.1MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.06ms. Allocated memory is still 207.6MB. Free memory was 165.7MB in the beginning and 161.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.15ms. Allocated memory is still 207.6MB. Free memory was 161.5MB in the beginning and 160.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.87ms. Allocated memory is still 207.6MB. Free memory was 160.4MB in the beginning and 146.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 714.52ms. Allocated memory is still 207.6MB. Free memory was 145.7MB in the beginning and 112.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 207.6MB. Free memory is still 112.2MB. 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: 1843]: 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 1850. 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] [L1850] 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) [L1850] 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] [L1851] CALL CWE190_Integer_Overflow__int_max_square_42_bad() [L1839] int data; [L1840] data = 0 [L1841] CALL, EXPR badSource(data) [L1834] data = 0x7fffffff [L1835] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1841] RET, EXPR badSource(data) [L1841] data = badSource(data) [L1843] data * 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 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, 20 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2024-11-19 12:31:29,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_square_42_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 4a3e3621ebed4397dfddc32a51db6a94155e7d1733b86ba164f359a9823e148a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:31:31,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:31:31,641 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 12:31:31,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:31:31,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:31:31,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 12:31:31,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:31:31,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:31:31,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:31:31,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:31:31,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:31:31,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:31:31,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:31:31,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:31:31,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:31:31,679 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:31:31,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:31:31,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:31:31,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:31:31,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:31:31,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:31:31,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:31:31,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 12:31:31,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 12:31:31,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:31:31,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:31:31,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 12:31:31,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:31:31,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:31:31,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:31:31,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:31:31,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:31:31,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:31:31,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:31:31,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:31:31,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:31:31,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:31:31,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:31:31,695 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 12:31:31,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 12:31:31,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:31:31,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:31:31,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:31:31,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:31:31,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3e3621ebed4397dfddc32a51db6a94155e7d1733b86ba164f359a9823e148a [2024-11-19 12:31:32,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:31:32,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:31:32,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:31:32,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:31:32,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:31:32,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_42_bad.i [2024-11-19 12:31:33,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:31:33,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:31:33,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_42_bad.i [2024-11-19 12:31:33,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af0b91c38/23f53581f36a4dba8f4c9700975b1236/FLAG9856602a6 [2024-11-19 12:31:33,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af0b91c38/23f53581f36a4dba8f4c9700975b1236 [2024-11-19 12:31:33,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:31:33,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:31:33,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:31:33,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:31:33,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:31:33,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:31:33" (1/1) ... [2024-11-19 12:31:33,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@932ccf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:33, skipping insertion in model container [2024-11-19 12:31:33,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:31:33" (1/1) ... [2024-11-19 12:31:33,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:31:34,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:31:34,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:31:34,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:31:35,094 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:31:35,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35 WrapperNode [2024-11-19 12:31:35,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:31:35,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:31:35,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:31:35,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:31:35,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,172 INFO L138 Inliner]: procedures = 941, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-19 12:31:35,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:31:35,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:31:35,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:31:35,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:31:35,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,206 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 12:31:35,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:31:35,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:31:35,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:31:35,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:31:35,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (1/1) ... [2024-11-19 12:31:35,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:31:35,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:31:35,256 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) [2024-11-19 12:31:35,259 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 [2024-11-19 12:31:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:31:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:31:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:31:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:31:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:31:35,429 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:31:35,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:31:36,478 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-19 12:31:36,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:31:36,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:31:36,488 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 12:31:36,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:31:36 BoogieIcfgContainer [2024-11-19 12:31:36,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:31:36,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:31:36,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:31:36,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:31:36,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:31:33" (1/3) ... [2024-11-19 12:31:36,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcc970d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:31:36, skipping insertion in model container [2024-11-19 12:31:36,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:31:35" (2/3) ... [2024-11-19 12:31:36,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcc970d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:31:36, skipping insertion in model container [2024-11-19 12:31:36,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:31:36" (3/3) ... [2024-11-19 12:31:36,495 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_42_bad.i [2024-11-19 12:31:36,510 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:31:36,510 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:31:36,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:31:36,566 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;@5e402023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:31:36,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:31:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 12:31:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 12:31:36,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:31:36,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:31:36,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:31:36,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:31:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times [2024-11-19 12:31:36,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:31:36,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034782723] [2024-11-19 12:31:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:31:36,594 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 [2024-11-19 12:31:36,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:31:36,596 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) [2024-11-19 12:31:36,624 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 [2024-11-19 12:31:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:31:36,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 12:31:36,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 12:31:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 12:31:36,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 12:31:36,774 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 12:31:36,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034782723] [2024-11-19 12:31:36,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034782723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:31:36,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:31:36,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 12:31:36,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608577934] [2024-11-19 12:31:36,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:31:36,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 12:31:36,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 12:31:36,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 12:31:36,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 12:31:36,799 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-11-19 12:31:36,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:31:36,873 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2024-11-19 12:31:36,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 12:31:36,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 [2024-11-19 12:31:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:31:36,884 INFO L225 Difference]: With dead ends: 24 [2024-11-19 12:31:36,884 INFO L226 Difference]: Without dead ends: 12 [2024-11-19 12:31:36,886 INFO L431 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 [2024-11-19 12:31:36,888 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 12:31:36,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 12:31:36,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-19 12:31:36,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-19 12:31:36,910 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) [2024-11-19 12:31:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-19 12:31:36,912 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-19 12:31:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:31:36,912 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-19 12:31:36,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-11-19 12:31:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-19 12:31:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:31:36,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:31:36,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:31:36,917 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 [2024-11-19 12:31:37,116 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 [2024-11-19 12:31:37,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:31:37,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:31:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash 494189941, now seen corresponding path program 1 times [2024-11-19 12:31:37,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:31:37,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368156921] [2024-11-19 12:31:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:31:37,119 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 [2024-11-19 12:31:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:31:37,121 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) [2024-11-19 12:31:37,124 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 [2024-11-19 12:31:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:31:37,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:31:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:31:37,262 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 12:31:37,263 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:31:37,264 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:31:37,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:31:37,274 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 [2024-11-19 12:31:37,467 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 [2024-11-19 12:31:37,471 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 12:31:37,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:31:37,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:31:37 BoogieIcfgContainer [2024-11-19 12:31:37,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:31:37,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:31:37,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:31:37,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:31:37,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:31:36" (3/4) ... [2024-11-19 12:31:37,496 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:31:37,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:31:37,498 INFO L158 Benchmark]: Toolchain (without parser) took 3660.36ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-19 12:31:37,498 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:31:37,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.40ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 41.4MB in the beginning and 55.9MB in the end (delta: -14.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-19 12:31:37,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.03ms. Allocated memory is still 96.5MB. Free memory was 55.9MB in the beginning and 51.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 12:31:37,499 INFO L158 Benchmark]: Boogie Preprocessor took 47.57ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:31:37,500 INFO L158 Benchmark]: RCFGBuilder took 1264.78ms. Allocated memory is still 96.5MB. Free memory was 49.1MB in the beginning and 35.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 12:31:37,500 INFO L158 Benchmark]: TraceAbstraction took 1003.16ms. Allocated memory is still 96.5MB. Free memory was 34.4MB in the beginning and 39.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:31:37,501 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 96.5MB. Free memory was 39.6MB in the beginning and 38.9MB in the end (delta: 710.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:31:37,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.40ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 41.4MB in the beginning and 55.9MB in the end (delta: -14.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.03ms. Allocated memory is still 96.5MB. Free memory was 55.9MB in the beginning and 51.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.57ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.78ms. Allocated memory is still 96.5MB. Free memory was 49.1MB in the beginning and 35.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1003.16ms. Allocated memory is still 96.5MB. Free memory was 34.4MB in the beginning and 39.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 96.5MB. Free memory was 39.6MB in the beginning and 38.9MB in the end (delta: 710.7kB). 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: 1843]: 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 1850. 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] [L1850] 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) [L1850] 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] [L1851] CALL CWE190_Integer_Overflow__int_max_square_42_bad() [L1839] int data; [L1840] data = 0 [L1841] CALL, EXPR badSource(data) [L1834] data = 0x7fffffff [L1835] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1841] RET, EXPR badSource(data) [L1841] data = badSource(data) [L1843] data * 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 9 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 4 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 [2024-11-19 12:31:37,532 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