./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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_fscanf_postinc_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 aff505736d7a6b7685097b32db73a0860928eb00afd60137bf48bfe6fe151409 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 13:18:44,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 13:18:44,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 13:18:44,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 13:18:44,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 13:18:44,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 13:18:44,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 13:18:44,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 13:18:44,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 13:18:44,524 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 13:18:44,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 13:18:44,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 13:18:44,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 13:18:44,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 13:18:44,526 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 13:18:44,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 13:18:44,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 13:18:44,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 13:18:44,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 13:18:44,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 13:18:44,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 13:18:44,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 13:18:44,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 13:18:44,535 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 13:18:44,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 13:18:44,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 13:18:44,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 13:18:44,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 13:18:44,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 13:18:44,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 13:18:44,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 13:18:44,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:18:44,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 13:18:44,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 13:18:44,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 13:18:44,538 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 13:18:44,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 13:18:44,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 13:18:44,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 13:18:44,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 13:18:44,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 13:18:44,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aff505736d7a6b7685097b32db73a0860928eb00afd60137bf48bfe6fe151409 [2024-11-09 13:18:44,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 13:18:44,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 13:18:44,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 13:18:44,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 13:18:44,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 13:18:44,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i [2024-11-09 13:18:46,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 13:18:46,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 13:18:46,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i [2024-11-09 13:18:46,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e58cb902/68d356e87f3e4c6fba13d8ee57b28112/FLAGc782dbb27 [2024-11-09 13:18:46,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e58cb902/68d356e87f3e4c6fba13d8ee57b28112 [2024-11-09 13:18:46,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 13:18:46,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 13:18:46,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 13:18:46,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 13:18:46,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 13:18:46,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:46" (1/1) ... [2024-11-09 13:18:46,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10acc15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:46, skipping insertion in model container [2024-11-09 13:18:46,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:46" (1/1) ... [2024-11-09 13:18:46,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 13:18:47,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:18:47,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 13:18:47,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:18:47,809 INFO L204 MainTranslator]: Completed translation [2024-11-09 13:18:47,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47 WrapperNode [2024-11-09 13:18:47,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 13:18:47,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 13:18:47,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 13:18:47,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 13:18:47,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,889 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-09 13:18:47,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 13:18:47,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 13:18:47,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 13:18:47,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 13:18:47,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,906 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,927 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 13:18:47,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 13:18:47,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 13:18:47,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 13:18:47,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 13:18:47,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 13:18:47,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:18:47,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 13:18:48,001 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) [2024-11-09 13:18:48,009 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 [2024-11-09 13:18:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 13:18:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 13:18:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 13:18:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 13:18:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 13:18:48,203 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 13:18:48,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 13:18:48,308 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 13:18:48,309 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 13:18:48,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 13:18:48,326 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 13:18:48,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:48 BoogieIcfgContainer [2024-11-09 13:18:48,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 13:18:48,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 13:18:48,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 13:18:48,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 13:18:48,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:46" (1/3) ... [2024-11-09 13:18:48,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f6b993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:48, skipping insertion in model container [2024-11-09 13:18:48,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (2/3) ... [2024-11-09 13:18:48,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f6b993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:48, skipping insertion in model container [2024-11-09 13:18:48,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:48" (3/3) ... [2024-11-09 13:18:48,336 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i [2024-11-09 13:18:48,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 13:18:48,352 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 13:18:48,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 13:18:48,411 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;@1416949c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 13:18:48,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 13:18:48,416 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) [2024-11-09 13:18:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 13:18:48,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:18:48,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:18:48,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:18:48,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:18:48,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-09 13:18:48,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:18:48,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023295991] [2024-11-09 13:18:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:18:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:18:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:18:48,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 13:18:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:18:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:18:48,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 13:18:48,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023295991] [2024-11-09 13:18:48,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023295991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:18:48,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:18:48,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 13:18:48,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223711053] [2024-11-09 13:18:48,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:18:48,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:18:48,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 13:18:48,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:18:48,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:18:48,823 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) [2024-11-09 13:18:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:18:48,852 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-09 13:18:48,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:18:48,855 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 [2024-11-09 13:18:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:18:48,862 INFO L225 Difference]: With dead ends: 37 [2024-11-09 13:18:48,862 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 13:18:48,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:18:48,870 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 [2024-11-09 13:18:48,873 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] [2024-11-09 13:18:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 13:18:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 13:18:48,909 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) [2024-11-09 13:18:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-09 13:18:48,912 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2024-11-09 13:18:48,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:18:48,913 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-09 13:18:48,913 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) [2024-11-09 13:18:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-09 13:18:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 13:18:48,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:18:48,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:18:48,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 13:18:48,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:18:48,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:18:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-09 13:18:48,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:18:48,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084173247] [2024-11-09 13:18:48,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:18:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:18:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:18:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 13:18:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:18:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:18:49,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 13:18:49,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084173247] [2024-11-09 13:18:49,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084173247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:18:49,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:18:49,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 13:18:49,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329943909] [2024-11-09 13:18:49,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:18:49,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 13:18:49,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 13:18:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 13:18:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 13:18:49,088 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-09 13:18:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:18:49,104 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 13:18:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 13:18:49,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2024-11-09 13:18:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:18:49,107 INFO L225 Difference]: With dead ends: 14 [2024-11-09 13:18:49,107 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 13:18:49,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 13:18:49,109 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:18:49,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:18:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 13:18:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 13:18:49,119 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) [2024-11-09 13:18:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-09 13:18:49,120 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-09 13:18:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:18:49,120 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-09 13:18:49,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-09 13:18:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-09 13:18:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:18:49,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:18:49,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:18:49,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 13:18:49,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:18:49,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:18:49,123 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-09 13:18:49,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:18:49,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882027917] [2024-11-09 13:18:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:18:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:18:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:18:49,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 13:18:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:18:49,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 13:18:49,187 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 13:18:49,188 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 13:18:49,191 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 13:18:49,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 13:18:49,195 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 13:18:49,221 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 13:18:49,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:18:49 BoogieIcfgContainer [2024-11-09 13:18:49,224 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 13:18:49,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 13:18:49,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 13:18:49,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 13:18:49,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:48" (3/4) ... [2024-11-09 13:18:49,229 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 13:18:49,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 13:18:49,231 INFO L158 Benchmark]: Toolchain (without parser) took 2548.39ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 114.4MB in the beginning and 132.2MB in the end (delta: -17.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,231 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:18:49,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1124.59ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 114.0MB in the beginning and 195.2MB in the end (delta: -81.1MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.17ms. Allocated memory is still 241.2MB. Free memory was 195.2MB in the beginning and 192.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,234 INFO L158 Benchmark]: Boogie Preprocessor took 62.93ms. Allocated memory is still 241.2MB. Free memory was 192.0MB in the beginning and 189.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,234 INFO L158 Benchmark]: RCFGBuilder took 372.29ms. Allocated memory is still 241.2MB. Free memory was 189.9MB in the beginning and 177.1MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,235 INFO L158 Benchmark]: TraceAbstraction took 895.42ms. Allocated memory is still 241.2MB. Free memory was 176.1MB in the beginning and 133.3MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,235 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 241.2MB. Free memory was 133.3MB in the beginning and 132.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:18:49,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1124.59ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 114.0MB in the beginning and 195.2MB in the end (delta: -81.1MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.17ms. Allocated memory is still 241.2MB. Free memory was 195.2MB in the beginning and 192.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.93ms. Allocated memory is still 241.2MB. Free memory was 192.0MB in the beginning and 189.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.29ms. Allocated memory is still 241.2MB. Free memory was 189.9MB in the beginning and 177.1MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 895.42ms. Allocated memory is still 241.2MB. Free memory was 176.1MB in the beginning and 133.3MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 241.2MB. Free memory was 133.3MB in the beginning and 132.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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_fscanf_postinc_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 [L1557] COND TRUE 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: 0.8s, 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, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 30 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 [2024-11-09 13:18:49,268 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_fscanf_postinc_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 aff505736d7a6b7685097b32db73a0860928eb00afd60137bf48bfe6fe151409 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 13:18:51,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 13:18:51,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 13:18:51,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 13:18:51,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 13:18:51,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 13:18:51,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 13:18:51,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 13:18:51,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 13:18:51,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 13:18:51,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 13:18:51,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 13:18:51,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 13:18:51,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 13:18:51,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 13:18:51,609 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 13:18:51,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 13:18:51,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 13:18:51,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 13:18:51,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 13:18:51,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 13:18:51,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 13:18:51,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 13:18:51,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 13:18:51,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 13:18:51,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 13:18:51,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 13:18:51,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 13:18:51,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 13:18:51,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 13:18:51,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 13:18:51,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 13:18:51,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 13:18:51,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 13:18:51,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:18:51,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 13:18:51,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 13:18:51,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 13:18:51,614 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 13:18:51,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 13:18:51,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 13:18:51,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 13:18:51,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 13:18:51,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 13:18:51,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aff505736d7a6b7685097b32db73a0860928eb00afd60137bf48bfe6fe151409 [2024-11-09 13:18:51,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 13:18:51,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 13:18:51,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 13:18:51,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 13:18:51,992 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 13:18:51,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i [2024-11-09 13:18:53,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 13:18:53,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 13:18:53,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i [2024-11-09 13:18:53,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cfe5692a/77100d4c03b34d46b017da3e329de59f/FLAG34463a37c [2024-11-09 13:18:53,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cfe5692a/77100d4c03b34d46b017da3e329de59f [2024-11-09 13:18:53,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 13:18:53,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 13:18:53,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 13:18:53,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 13:18:53,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 13:18:53,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:53" (1/1) ... [2024-11-09 13:18:53,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36806e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:53, skipping insertion in model container [2024-11-09 13:18:53,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:53" (1/1) ... [2024-11-09 13:18:54,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 13:18:54,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:18:54,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 13:18:54,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:18:55,015 INFO L204 MainTranslator]: Completed translation [2024-11-09 13:18:55,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55 WrapperNode [2024-11-09 13:18:55,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 13:18:55,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 13:18:55,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 13:18:55,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 13:18:55,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,090 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-09 13:18:55,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 13:18:55,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 13:18:55,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 13:18:55,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 13:18:55,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,128 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 13:18:55,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 13:18:55,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 13:18:55,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 13:18:55,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 13:18:55,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (1/1) ... [2024-11-09 13:18:55,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:18:55,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 13:18:55,201 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) [2024-11-09 13:18:55,203 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 [2024-11-09 13:18:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 13:18:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 13:18:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 13:18:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 13:18:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 13:18:55,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 13:18:55,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 13:18:55,536 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 13:18:55,536 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 13:18:55,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 13:18:55,550 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 13:18:55,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:55 BoogieIcfgContainer [2024-11-09 13:18:55,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 13:18:55,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 13:18:55,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 13:18:55,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 13:18:55,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:53" (1/3) ... [2024-11-09 13:18:55,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8c3c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:55, skipping insertion in model container [2024-11-09 13:18:55,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:55" (2/3) ... [2024-11-09 13:18:55,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8c3c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:55, skipping insertion in model container [2024-11-09 13:18:55,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:55" (3/3) ... [2024-11-09 13:18:55,562 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_07_bad.i [2024-11-09 13:18:55,580 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 13:18:55,580 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 13:18:55,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 13:18:55,658 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;@68b9c5c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 13:18:55,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 13:18:55,663 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) [2024-11-09 13:18:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 13:18:55,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:18:55,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:18:55,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:18:55,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:18:55,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-09 13:18:55,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:18:55,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310584863] [2024-11-09 13:18:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:18:55,692 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 [2024-11-09 13:18:55,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:18:55,695 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) [2024-11-09 13:18:55,696 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 [2024-11-09 13:18:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:18:55,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 13:18:55,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 13:18:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:18:55,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 13:18:55,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 13:18:55,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310584863] [2024-11-09 13:18:55,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310584863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:18:55,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:18:55,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 13:18:55,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313206472] [2024-11-09 13:18:55,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:18:55,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 13:18:55,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 13:18:55,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 13:18:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 13:18:55,886 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) [2024-11-09 13:18:55,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:18:55,902 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2024-11-09 13:18:55,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 13:18:55,904 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 [2024-11-09 13:18:55,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:18:55,911 INFO L225 Difference]: With dead ends: 21 [2024-11-09 13:18:55,911 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 13:18:55,914 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 [2024-11-09 13:18:55,917 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 [2024-11-09 13:18:55,920 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] [2024-11-09 13:18:55,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 13:18:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 13:18:55,955 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) [2024-11-09 13:18:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-09 13:18:55,958 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-09 13:18:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:18:55,958 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-09 13:18:55,959 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) [2024-11-09 13:18:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-09 13:18:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:18:55,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:18:55,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:18:55,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 13:18:56,164 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 [2024-11-09 13:18:56,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:18:56,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:18:56,166 INFO L85 PathProgramCache]: Analyzing trace with hash 924121485, now seen corresponding path program 1 times [2024-11-09 13:18:56,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:18:56,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842281717] [2024-11-09 13:18:56,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:18:56,166 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 [2024-11-09 13:18:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:18:56,170 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) [2024-11-09 13:18:56,190 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 [2024-11-09 13:18:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:18:56,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 13:18:56,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 13:18:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:18:56,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 13:18:56,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 13:18:56,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842281717] [2024-11-09 13:18:56,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842281717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:18:56,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:18:56,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 13:18:56,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540823182] [2024-11-09 13:18:56,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:18:56,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:18:56,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 13:18:56,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:18:56,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:18:56,311 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) [2024-11-09 13:18:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:18:56,317 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-09 13:18:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:18:56,318 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 [2024-11-09 13:18:56,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:18:56,319 INFO L225 Difference]: With dead ends: 17 [2024-11-09 13:18:56,319 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 13:18:56,319 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 [2024-11-09 13:18:56,320 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 [2024-11-09 13:18:56,321 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] [2024-11-09 13:18:56,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 13:18:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 13:18:56,324 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) [2024-11-09 13:18:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-09 13:18:56,324 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 12 [2024-11-09 13:18:56,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:18:56,325 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-09 13:18:56,325 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) [2024-11-09 13:18:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-09 13:18:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:18:56,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:18:56,326 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:18:56,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 13:18:56,529 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 [2024-11-09 13:18:56,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:18:56,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:18:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-09 13:18:56,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:18:56,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010339950] [2024-11-09 13:18:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:18:56,537 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 [2024-11-09 13:18:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:18:56,540 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) [2024-11-09 13:18:56,562 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 [2024-11-09 13:18:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:18:56,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 13:18:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:18:56,683 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 13:18:56,684 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 13:18:56,687 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 13:18:56,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 13:18:56,695 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 [2024-11-09 13:18:56,891 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 [2024-11-09 13:18:56,895 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 13:18:56,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 13:18:56,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:18:56 BoogieIcfgContainer [2024-11-09 13:18:56,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 13:18:56,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 13:18:56,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 13:18:56,923 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 13:18:56,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:55" (3/4) ... [2024-11-09 13:18:56,928 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 13:18:56,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 13:18:56,931 INFO L158 Benchmark]: Toolchain (without parser) took 2977.12ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 33.7MB in the beginning and 57.9MB in the end (delta: -24.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-09 13:18:56,931 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 44.0MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:18:56,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.91ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 33.4MB in the beginning and 28.9MB in the end (delta: 4.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-09 13:18:56,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.17ms. Allocated memory is still 73.4MB. Free memory was 28.9MB in the beginning and 25.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 13:18:56,934 INFO L158 Benchmark]: Boogie Preprocessor took 70.39ms. Allocated memory is still 73.4MB. Free memory was 25.9MB in the beginning and 46.2MB in the end (delta: -20.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 13:18:56,935 INFO L158 Benchmark]: RCFGBuilder took 388.49ms. Allocated memory is still 73.4MB. Free memory was 46.2MB in the beginning and 32.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 13:18:56,935 INFO L158 Benchmark]: TraceAbstraction took 1367.42ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 57.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:18:56,935 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 94.4MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:18:56,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 44.0MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.91ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 33.4MB in the beginning and 28.9MB in the end (delta: 4.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.17ms. Allocated memory is still 73.4MB. Free memory was 28.9MB in the beginning and 25.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.39ms. Allocated memory is still 73.4MB. Free memory was 25.9MB in the beginning and 46.2MB in the end (delta: -20.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 388.49ms. Allocated memory is still 73.4MB. Free memory was 46.2MB in the beginning and 32.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1367.42ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 57.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 94.4MB. Free memory is still 57.9MB. 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_fscanf_postinc_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 [L1557] COND TRUE 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, 79 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 [2024-11-09 13:18:56,997 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