./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_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_preinc_07_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 dc317a8f1796607583303f9fe6260920b19cf70abd25e14660561889ef21426d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:29:24,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:29:24,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 12:29:24,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:29:24,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:29:24,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:29:24,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:29:24,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:29:24,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:29:24,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:29:24,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:29:24,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:29:24,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:29:24,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:29:24,886 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:29:24,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:29:24,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:29:24,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 12:29:24,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:29:24,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:29:24,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:29:24,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:29:24,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:29:24,892 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:29:24,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:29:24,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:29:24,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:29:24,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:29:24,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:29:24,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:29:24,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:29:24,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:29:24,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:29:24,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:29:24,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:29:24,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 12:29:24,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 12:29:24,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:29:24,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:29:24,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:29:24,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:29:24,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc317a8f1796607583303f9fe6260920b19cf70abd25e14660561889ef21426d [2024-11-19 12:29:25,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:29:25,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:29:25,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:29:25,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:29:25,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:29:25,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_bad.i [2024-11-19 12:29:26,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:29:26,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:29:26,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_bad.i [2024-11-19 12:29:26,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d47110aa/d978d813658a4f179b22364710492464/FLAG66496c058 [2024-11-19 12:29:27,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d47110aa/d978d813658a4f179b22364710492464 [2024-11-19 12:29:27,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:29:27,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:29:27,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:29:27,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:29:27,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:29:27,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:29:27" (1/1) ... [2024-11-19 12:29:27,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2960f6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:27, skipping insertion in model container [2024-11-19 12:29:27,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:29:27" (1/1) ... [2024-11-19 12:29:27,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:29:27,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:29:27,776 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:29:27,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:29:28,033 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:29:28,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28 WrapperNode [2024-11-19 12:29:28,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:29:28,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:29:28,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:29:28,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:29:28,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,103 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-19 12:29:28,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:29:28,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:29:28,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:29:28,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:29:28,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,139 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 12:29:28,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:29:28,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:29:28,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:29:28,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:29:28,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (1/1) ... [2024-11-19 12:29:28,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:29:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:29:28,193 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 12:29:28,195 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 12:29:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:29:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:29:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:29:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:29:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:29:28,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:29:28,354 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:29:28,440 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-19 12:29:28,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:29:28,452 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:29:28,452 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 12:29:28,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:29:28 BoogieIcfgContainer [2024-11-19 12:29:28,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:29:28,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:29:28,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:29:28,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:29:28,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:29:27" (1/3) ... [2024-11-19 12:29:28,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e486de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:29:28, skipping insertion in model container [2024-11-19 12:29:28,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:28" (2/3) ... [2024-11-19 12:29:28,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e486de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:29:28, skipping insertion in model container [2024-11-19 12:29:28,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:29:28" (3/3) ... [2024-11-19 12:29:28,460 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_07_bad.i [2024-11-19 12:29:28,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:29:28,478 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:29:28,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:29:28,540 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;@27ee1e3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:29:28,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:29:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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 12:29:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:29:28,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:29:28,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:29:28,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:29:28,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:29:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-19 12:29:28,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:29:28,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692544134] [2024-11-19 12:29:28,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:29:28,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:29:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:29:28,863 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 12:29:28,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:29:28,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692544134] [2024-11-19 12:29:28,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692544134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:29:28,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:29:28,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 12:29:28,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376176203] [2024-11-19 12:29:28,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:29:28,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 12:29:28,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:29:28,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 12:29:28,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:29:28,901 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:28,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:29:28,925 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-19 12:29:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 12:29:28,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 12:29:28,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:29:28,933 INFO L225 Difference]: With dead ends: 37 [2024-11-19 12:29:28,934 INFO L226 Difference]: Without dead ends: 14 [2024-11-19 12:29:28,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:29:28,940 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 12:29:28,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:29:28,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-19 12:29:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-19 12:29:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-19 12:29:28,970 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2024-11-19 12:29:28,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:29:28,970 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-19 12:29:28,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-19 12:29:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:29:28,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:29:28,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:29:28,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 12:29:28,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:29:28,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:29:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-19 12:29:28,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:29:28,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905601985] [2024-11-19 12:29:28,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:29:28,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:29:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:29:29,044 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 12:29:29,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:29:29,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905601985] [2024-11-19 12:29:29,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905601985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:29:29,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:29:29,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 12:29:29,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991663300] [2024-11-19 12:29:29,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:29:29,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 12:29:29,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:29:29,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 12:29:29,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:29:29,048 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:29:29,057 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-19 12:29:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 12:29:29,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 12:29:29,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:29:29,058 INFO L225 Difference]: With dead ends: 14 [2024-11-19 12:29:29,058 INFO L226 Difference]: Without dead ends: 13 [2024-11-19 12:29:29,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:29:29,060 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 12:29:29,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:29:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-19 12:29:29,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-19 12:29:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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 12:29:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-19 12:29:29,064 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-19 12:29:29,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:29:29,064 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-19 12:29:29,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-19 12:29:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 12:29:29,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:29:29,065 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:29:29,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 12:29:29,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:29:29,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:29:29,067 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-19 12:29:29,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:29:29,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201914696] [2024-11-19 12:29:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:29:29,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:29:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:29:29,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:29:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:29:29,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 12:29:29,121 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:29:29,122 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:29:29,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:29:29,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 12:29:29,128 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-19 12:29:29,151 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:29:29,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:29:29 BoogieIcfgContainer [2024-11-19 12:29:29,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:29:29,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:29:29,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:29:29,155 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:29:29,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:29:28" (3/4) ... [2024-11-19 12:29:29,158 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:29:29,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:29:29,160 INFO L158 Benchmark]: Toolchain (without parser) took 2137.86ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.2MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-19 12:29:29,160 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:29:29,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1009.58ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 81.7MB in the beginning and 136.0MB in the end (delta: -54.4MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-19 12:29:29,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.90ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 132.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 12:29:29,162 INFO L158 Benchmark]: Boogie Preprocessor took 55.93ms. Allocated memory is still 207.6MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:29:29,162 INFO L158 Benchmark]: RCFGBuilder took 290.70ms. Allocated memory is still 207.6MB. Free memory was 130.8MB in the beginning and 118.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 12:29:29,163 INFO L158 Benchmark]: TraceAbstraction took 699.67ms. Allocated memory is still 207.6MB. Free memory was 118.2MB in the beginning and 80.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-19 12:29:29,163 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 207.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:29:29,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1009.58ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 81.7MB in the beginning and 136.0MB in the end (delta: -54.4MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.90ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 132.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.93ms. Allocated memory is still 207.6MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.70ms. Allocated memory is still 207.6MB. Free memory was 130.8MB in the beginning and 118.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 699.67ms. Allocated memory is still 207.6MB. Free memory was 118.2MB in the beginning and 80.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 207.6MB. Free memory is still 80.5MB. 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: 1560]: 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 1569. 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 staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE190_Integer_Overflow__int_max_preinc_07_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1555] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1557] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] ++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, staticFive=5] - UnprovableResult [Line: 1560]: 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: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 31 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 12:29:29,195 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_preinc_07_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 dc317a8f1796607583303f9fe6260920b19cf70abd25e14660561889ef21426d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:29:31,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:29:31,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 12:29:31,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:29:31,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:29:31,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 12:29:31,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:29:31,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:29:31,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:29:31,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:29:31,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:29:31,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:29:31,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:29:31,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:29:31,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:29:31,564 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:29:31,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:29:31,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:29:31,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:29:31,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:29:31,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:29:31,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:29:31,571 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 12:29:31,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 12:29:31,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:29:31,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:29:31,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 12:29:31,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:29:31,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:29:31,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:29:31,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:29:31,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:29:31,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:29:31,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:29:31,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:29:31,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:29:31,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:29:31,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:29:31,575 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 12:29:31,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 12:29:31,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:29:31,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:29:31,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:29:31,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:29:31,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc317a8f1796607583303f9fe6260920b19cf70abd25e14660561889ef21426d [2024-11-19 12:29:31,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:29:31,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:29:31,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:29:31,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:29:31,918 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:29:31,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_bad.i [2024-11-19 12:29:33,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:29:33,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:29:33,788 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_bad.i [2024-11-19 12:29:33,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeefd0f5e/6cc5079ee8c04e08ba02072a5caaf30a/FLAGc2a30f1fc [2024-11-19 12:29:33,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeefd0f5e/6cc5079ee8c04e08ba02072a5caaf30a [2024-11-19 12:29:33,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:29:33,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:29:33,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:29:33,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:29:33,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:29:33,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:29:33" (1/1) ... [2024-11-19 12:29:33,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4203def3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:33, skipping insertion in model container [2024-11-19 12:29:33,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:29:33" (1/1) ... [2024-11-19 12:29:33,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:29:34,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:29:34,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:29:34,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:29:34,806 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:29:34,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34 WrapperNode [2024-11-19 12:29:34,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:29:34,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:29:34,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:29:34,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:29:34,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,881 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-19 12:29:34,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:29:34,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:29:34,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:29:34,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:29:34,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,913 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 12:29:34,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:29:34,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:29:34,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:29:34,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:29:34,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (1/1) ... [2024-11-19 12:29:34,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:29:34,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:29:34,988 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 12:29:34,995 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 12:29:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:29:35,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:29:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:29:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:29:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:29:35,224 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:29:35,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:29:35,328 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-19 12:29:35,328 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:29:35,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:29:35,339 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 12:29:35,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:29:35 BoogieIcfgContainer [2024-11-19 12:29:35,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:29:35,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:29:35,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:29:35,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:29:35,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:29:33" (1/3) ... [2024-11-19 12:29:35,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b97ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:29:35, skipping insertion in model container [2024-11-19 12:29:35,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:29:34" (2/3) ... [2024-11-19 12:29:35,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b97ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:29:35, skipping insertion in model container [2024-11-19 12:29:35,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:29:35" (3/3) ... [2024-11-19 12:29:35,347 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_07_bad.i [2024-11-19 12:29:35,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:29:35,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:29:35,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:29:35,452 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;@398554fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:29:35,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:29:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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 12:29:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:29:35,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:29:35,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:29:35,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:29:35,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:29:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-19 12:29:35,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:29:35,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059732895] [2024-11-19 12:29:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:29:35,488 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 12:29:35,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:29:35,492 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 12:29:35,493 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 12:29:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:29:35,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 12:29:35,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 12:29:35,699 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 12:29:35,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 12:29:35,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 12:29:35,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059732895] [2024-11-19 12:29:35,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059732895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:29:35,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:29:35,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 12:29:35,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771371544] [2024-11-19 12:29:35,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:29:35,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 12:29:35,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 12:29:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 12:29:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:29:35,738 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:29:35,753 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2024-11-19 12:29:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 12:29:35,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 12:29:35,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:29:35,762 INFO L225 Difference]: With dead ends: 21 [2024-11-19 12:29:35,763 INFO L226 Difference]: Without dead ends: 13 [2024-11-19 12:29:35,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 12:29:35,769 INFO L432 NwaCegarLoop]: 23 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, 23 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 12:29:35,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:29:35,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-19 12:29:35,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-19 12:29:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-19 12:29:35,801 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-19 12:29:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:29:35,802 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-19 12:29:35,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 12:29:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-19 12:29:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 12:29:35,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:29:35,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:29:35,811 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 [2024-11-19 12:29:36,008 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 12:29:36,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:29:36,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:29:36,010 INFO L85 PathProgramCache]: Analyzing trace with hash 924121485, now seen corresponding path program 1 times [2024-11-19 12:29:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:29:36,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832938232] [2024-11-19 12:29:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:29:36,011 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 12:29:36,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:29:36,014 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 12:29:36,016 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 12:29:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:29:36,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 12:29:36,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 12:29:36,148 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 12:29:36,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 12:29:36,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 12:29:36,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832938232] [2024-11-19 12:29:36,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832938232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:29:36,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:29:36,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 12:29:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134022904] [2024-11-19 12:29:36,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:29:36,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 12:29:36,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 12:29:36,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 12:29:36,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:29:36,152 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 12:29:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:29:36,158 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-19 12:29:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 12:29:36,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) Word has length 12 [2024-11-19 12:29:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:29:36,159 INFO L225 Difference]: With dead ends: 17 [2024-11-19 12:29:36,160 INFO L226 Difference]: Without dead ends: 13 [2024-11-19 12:29:36,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 12:29:36,161 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 12:29:36,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:29:36,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-19 12:29:36,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-19 12:29:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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 12:29:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-19 12:29:36,165 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 12 [2024-11-19 12:29:36,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:29:36,165 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-19 12:29:36,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 12:29:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-19 12:29:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 12:29:36,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:29:36,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:29:36,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-19 12:29:36,368 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 12:29:36,369 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:29:36,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:29:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-19 12:29:36,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:29:36,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790904729] [2024-11-19 12:29:36,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:29:36,371 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 12:29:36,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:29:36,374 INFO L229 MonitoredProcess]: Starting monitored process 4 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 12:29:36,377 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 (4)] Waiting until timeout for monitored process [2024-11-19 12:29:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:29:36,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:29:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:29:36,494 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 12:29:36,494 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:29:36,495 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:29:36,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:29:36,505 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 (4)] Forceful destruction successful, exit code 0 [2024-11-19 12:29:36,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 12:29:36,703 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-19 12:29:36,728 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:29:36,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:29:36 BoogieIcfgContainer [2024-11-19 12:29:36,732 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:29:36,733 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:29:36,733 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:29:36,733 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:29:36,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:29:35" (3/4) ... [2024-11-19 12:29:36,737 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:29:36,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:29:36,738 INFO L158 Benchmark]: Toolchain (without parser) took 2902.63ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 34.6MB in the beginning and 47.9MB in the end (delta: -13.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-19 12:29:36,739 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 44.0MB. Free memory is still 20.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:29:36,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.23ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 27.3MB in the end (delta: 7.1MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-19 12:29:36,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.87ms. Allocated memory is still 71.3MB. Free memory was 27.3MB in the beginning and 42.9MB in the end (delta: -15.6MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-19 12:29:36,740 INFO L158 Benchmark]: Boogie Preprocessor took 62.52ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 12:29:36,741 INFO L158 Benchmark]: RCFGBuilder took 393.52ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 27.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 12:29:36,741 INFO L158 Benchmark]: TraceAbstraction took 1391.58ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 47.9MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:29:36,741 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 88.1MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:29:36,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 44.0MB. Free memory is still 20.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.23ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 27.3MB in the end (delta: 7.1MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.87ms. Allocated memory is still 71.3MB. Free memory was 27.3MB in the beginning and 42.9MB in the end (delta: -15.6MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.52ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 393.52ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 27.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1391.58ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 47.9MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 88.1MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: 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 1569. 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 staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE190_Integer_Overflow__int_max_preinc_07_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1555] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1557] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] ++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, staticFive=5] - UnprovableResult [Line: 1560]: 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 34 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 12:29:36,793 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