./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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_18_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 355b9748cb6052cdea60a443a0cc48841d89ca593355f8e69608bc5dd4a77d37 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 20:40:38,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 20:40:39,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 20:40:39,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 20:40:39,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 20:40:39,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 20:40:39,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 20:40:39,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 20:40:39,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 20:40:39,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 20:40:39,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 20:40:39,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 20:40:39,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 20:40:39,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 20:40:39,071 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 20:40:39,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 20:40:39,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 20:40:39,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 20:40:39,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 20:40:39,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 20:40:39,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 20:40:39,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 20:40:39,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 20:40:39,077 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 20:40:39,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 20:40:39,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 20:40:39,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 20:40:39,078 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 20:40:39,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 20:40:39,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 20:40:39,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 20:40:39,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:40:39,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 20:40:39,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 20:40:39,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 20:40:39,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 20:40:39,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 20:40:39,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 20:40:39,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 20:40:39,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 20:40:39,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 20:40:39,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b9748cb6052cdea60a443a0cc48841d89ca593355f8e69608bc5dd4a77d37 [2024-11-10 20:40:39,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 20:40:39,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 20:40:39,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 20:40:39,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 20:40:39,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 20:40:39,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i [2024-11-10 20:40:40,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 20:40:41,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 20:40:41,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i [2024-11-10 20:40:41,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db76cee7/abf1755bcfc949da821251e577821095/FLAG47617b6c2 [2024-11-10 20:40:41,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db76cee7/abf1755bcfc949da821251e577821095 [2024-11-10 20:40:41,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 20:40:41,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 20:40:41,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 20:40:41,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 20:40:41,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 20:40:41,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:41" (1/1) ... [2024-11-10 20:40:41,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a6cffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:41, skipping insertion in model container [2024-11-10 20:40:41,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:41" (1/1) ... [2024-11-10 20:40:41,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 20:40:42,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 20:40:42,203 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 20:40:42,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 20:40:42,408 INFO L204 MainTranslator]: Completed translation [2024-11-10 20:40:42,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42 WrapperNode [2024-11-10 20:40:42,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 20:40:42,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 20:40:42,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 20:40:42,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 20:40:42,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,472 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-10 20:40:42,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 20:40:42,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 20:40:42,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 20:40:42,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 20:40:42,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,506 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 20:40:42,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 20:40:42,527 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 20:40:42,527 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 20:40:42,527 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 20:40:42,528 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (1/1) ... [2024-11-10 20:40:42,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:40:42,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 20:40:42,566 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) [2024-11-10 20:40:42,570 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 [2024-11-10 20:40:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 20:40:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 20:40:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 20:40:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 20:40:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 20:40:42,743 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 20:40:42,745 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 20:40:42,848 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 20:40:42,848 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 20:40:42,861 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 20:40:42,862 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 20:40:42,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:40:42 BoogieIcfgContainer [2024-11-10 20:40:42,862 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 20:40:42,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 20:40:42,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 20:40:42,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 20:40:42,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:40:41" (1/3) ... [2024-11-10 20:40:42,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6387d324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:42, skipping insertion in model container [2024-11-10 20:40:42,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:42" (2/3) ... [2024-11-10 20:40:42,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6387d324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:42, skipping insertion in model container [2024-11-10 20:40:42,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:40:42" (3/3) ... [2024-11-10 20:40:42,873 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i [2024-11-10 20:40:42,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 20:40:42,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 20:40:42,953 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 20:40:42,962 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;@19d57f35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 20:40:42,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 20:40:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 20:40:42,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 20:40:42,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:40:42,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:40:42,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 20:40:42,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:40:42,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-10 20:40:42,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 20:40:42,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480001238] [2024-11-10 20:40:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:40:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 20:40:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:40:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 20:40:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:40:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 20:40:43,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 20:40:43,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480001238] [2024-11-10 20:40:43,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480001238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 20:40:43,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 20:40:43,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 20:40:43,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341139488] [2024-11-10 20:40:43,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 20:40:43,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 20:40:43,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 20:40:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 20:40:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 20:40:43,363 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 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) [2024-11-10 20:40:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 20:40:43,392 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-10 20:40:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 20:40:43,394 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 [2024-11-10 20:40:43,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 20:40:43,400 INFO L225 Difference]: With dead ends: 22 [2024-11-10 20:40:43,401 INFO L226 Difference]: Without dead ends: 13 [2024-11-10 20:40:43,403 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 [2024-11-10 20:40:43,405 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 20:40:43,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 20:40:43,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-10 20:40:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-10 20:40:43,429 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) [2024-11-10 20:40:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-10 20:40:43,431 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-10 20:40:43,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 20:40:43,431 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-10 20:40:43,431 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) [2024-11-10 20:40:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-10 20:40:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 20:40:43,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:40:43,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:40:43,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 20:40:43,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 20:40:43,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:40:43,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1805549824, now seen corresponding path program 1 times [2024-11-10 20:40:43,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 20:40:43,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067373593] [2024-11-10 20:40:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:40:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 20:40:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 20:40:43,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 20:40:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 20:40:43,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 20:40:43,487 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 20:40:43,489 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 20:40:43,490 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 20:40:43,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 20:40:43,493 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 20:40:43,511 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 20:40:43,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:40:43 BoogieIcfgContainer [2024-11-10 20:40:43,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 20:40:43,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 20:40:43,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 20:40:43,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 20:40:43,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:40:42" (3/4) ... [2024-11-10 20:40:43,523 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 20:40:43,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 20:40:43,525 INFO L158 Benchmark]: Toolchain (without parser) took 2136.87ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 117.6MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:40:43,526 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:40:43,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1019.59ms. Allocated memory is still 165.7MB. Free memory was 96.0MB in the beginning and 87.1MB in the end (delta: 8.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 20:40:43,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.23ms. Allocated memory is still 165.7MB. Free memory was 87.1MB in the beginning and 84.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 20:40:43,527 INFO L158 Benchmark]: Boogie Preprocessor took 53.23ms. Allocated memory is still 165.7MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 20:40:43,527 INFO L158 Benchmark]: IcfgBuilder took 337.08ms. Allocated memory is still 165.7MB. Free memory was 82.1MB in the beginning and 70.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 20:40:43,528 INFO L158 Benchmark]: TraceAbstraction took 649.61ms. Allocated memory is still 165.7MB. Free memory was 69.5MB in the beginning and 118.7MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:40:43,528 INFO L158 Benchmark]: Witness Printer took 8.05ms. Allocated memory is still 165.7MB. Free memory was 118.7MB in the beginning and 117.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 20:40:43,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1019.59ms. Allocated memory is still 165.7MB. Free memory was 96.0MB in the beginning and 87.1MB in the end (delta: 8.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.23ms. Allocated memory is still 165.7MB. Free memory was 87.1MB in the beginning and 84.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.23ms. Allocated memory is still 165.7MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 337.08ms. Allocated memory is still 165.7MB. Free memory was 82.1MB in the beginning and 70.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 649.61ms. Allocated memory is still 165.7MB. Free memory was 69.5MB in the beginning and 118.7MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.05ms. Allocated memory is still 165.7MB. Free memory was 118.7MB in the beginning and 117.6MB 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: 1558]: 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 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_fscanf_postinc_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 20:40:43,570 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_18_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 355b9748cb6052cdea60a443a0cc48841d89ca593355f8e69608bc5dd4a77d37 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 20:40:45,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 20:40:45,892 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 20:40:45,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 20:40:45,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 20:40:45,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 20:40:45,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 20:40:45,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 20:40:45,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 20:40:45,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 20:40:45,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 20:40:45,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 20:40:45,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 20:40:45,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 20:40:45,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 20:40:45,938 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 20:40:45,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 20:40:45,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 20:40:45,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 20:40:45,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 20:40:45,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 20:40:45,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 20:40:45,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 20:40:45,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 20:40:45,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 20:40:45,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 20:40:45,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 20:40:45,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 20:40:45,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 20:40:45,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 20:40:45,947 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 20:40:45,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 20:40:45,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 20:40:45,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 20:40:45,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:40:45,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 20:40:45,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 20:40:45,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 20:40:45,950 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 20:40:45,950 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 20:40:45,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 20:40:45,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 20:40:45,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 20:40:45,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 20:40:45,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b9748cb6052cdea60a443a0cc48841d89ca593355f8e69608bc5dd4a77d37 [2024-11-10 20:40:46,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 20:40:46,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 20:40:46,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 20:40:46,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 20:40:46,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 20:40:46,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i [2024-11-10 20:40:47,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 20:40:48,285 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 20:40:48,286 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i [2024-11-10 20:40:48,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c027c6f/ff6b6f86e15844008f1aeefd9c9eca37/FLAGe2f88cad6 [2024-11-10 20:40:48,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c027c6f/ff6b6f86e15844008f1aeefd9c9eca37 [2024-11-10 20:40:48,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 20:40:48,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 20:40:48,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 20:40:48,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 20:40:48,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 20:40:48,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:48" (1/1) ... [2024-11-10 20:40:48,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416c871c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:48, skipping insertion in model container [2024-11-10 20:40:48,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:40:48" (1/1) ... [2024-11-10 20:40:48,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 20:40:49,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 20:40:49,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 20:40:49,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 20:40:49,682 INFO L204 MainTranslator]: Completed translation [2024-11-10 20:40:49,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49 WrapperNode [2024-11-10 20:40:49,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 20:40:49,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 20:40:49,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 20:40:49,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 20:40:49,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,745 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-10 20:40:49,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 20:40:49,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 20:40:49,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 20:40:49,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 20:40:49,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,769 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 20:40:49,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 20:40:49,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 20:40:49,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 20:40:49,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 20:40:49,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (1/1) ... [2024-11-10 20:40:49,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 20:40:49,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 20:40:49,816 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) [2024-11-10 20:40:49,821 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 [2024-11-10 20:40:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 20:40:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 20:40:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 20:40:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 20:40:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 20:40:50,023 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 20:40:50,025 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 20:40:50,136 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 20:40:50,137 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 20:40:50,150 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 20:40:50,151 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 20:40:50,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:40:50 BoogieIcfgContainer [2024-11-10 20:40:50,152 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 20:40:50,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 20:40:50,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 20:40:50,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 20:40:50,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:40:48" (1/3) ... [2024-11-10 20:40:50,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b26a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:50, skipping insertion in model container [2024-11-10 20:40:50,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:40:49" (2/3) ... [2024-11-10 20:40:50,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b26a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:40:50, skipping insertion in model container [2024-11-10 20:40:50,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:40:50" (3/3) ... [2024-11-10 20:40:50,164 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_18_bad.i [2024-11-10 20:40:50,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 20:40:50,195 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 20:40:50,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 20:40:50,258 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;@68edbab2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 20:40:50,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 20:40:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 20:40:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 20:40:50,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:40:50,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:40:50,271 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 20:40:50,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:40:50,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-10 20:40:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:40:50,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82316009] [2024-11-10 20:40:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:40:50,293 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 [2024-11-10 20:40:50,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:40:50,295 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) [2024-11-10 20:40:50,296 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 [2024-11-10 20:40:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 20:40:50,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 20:40:50,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 20:40:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 20:40:50,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 20:40:50,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 20:40:50,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82316009] [2024-11-10 20:40:50,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82316009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 20:40:50,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 20:40:50,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 20:40:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758290001] [2024-11-10 20:40:50,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 20:40:50,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 20:40:50,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 20:40:50,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 20:40:50,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 20:40:50,491 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 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) [2024-11-10 20:40:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 20:40:50,506 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-10 20:40:50,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 20:40:50,508 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 [2024-11-10 20:40:50,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 20:40:50,514 INFO L225 Difference]: With dead ends: 22 [2024-11-10 20:40:50,514 INFO L226 Difference]: Without dead ends: 13 [2024-11-10 20:40:50,516 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 [2024-11-10 20:40:50,518 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 20:40:50,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 20:40:50,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-10 20:40:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-10 20:40:50,541 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) [2024-11-10 20:40:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-10 20:40:50,543 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-10 20:40:50,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 20:40:50,544 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-10 20:40:50,544 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) [2024-11-10 20:40:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-10 20:40:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 20:40:50,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 20:40:50,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 20:40:50,550 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 [2024-11-10 20:40:50,749 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 [2024-11-10 20:40:50,750 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 20:40:50,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 20:40:50,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1805549824, now seen corresponding path program 1 times [2024-11-10 20:40:50,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 20:40:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258879433] [2024-11-10 20:40:50,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 20:40:50,752 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 [2024-11-10 20:40:50,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 20:40:50,755 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) [2024-11-10 20:40:50,755 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 [2024-11-10 20:40:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 20:40:50,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 20:40:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 20:40:50,861 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 20:40:50,861 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 20:40:50,863 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 20:40:50,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 20:40:50,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-10 20:40:51,068 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 [2024-11-10 20:40:51,072 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 20:40:51,094 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 20:40:51,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:40:51 BoogieIcfgContainer [2024-11-10 20:40:51,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 20:40:51,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 20:40:51,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 20:40:51,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 20:40:51,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:40:50" (3/4) ... [2024-11-10 20:40:51,100 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 20:40:51,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 20:40:51,101 INFO L158 Benchmark]: Toolchain (without parser) took 2619.33ms. Allocated memory is still 102.8MB. Free memory was 74.6MB in the beginning and 46.7MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 20:40:51,101 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 65.0MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:40:51,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.67ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 63.7MB in the end (delta: 10.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-10 20:40:51,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.65ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 60.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 20:40:51,103 INFO L158 Benchmark]: Boogie Preprocessor took 36.92ms. Allocated memory is still 102.8MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 20:40:51,103 INFO L158 Benchmark]: IcfgBuilder took 367.59ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 44.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 20:40:51,103 INFO L158 Benchmark]: TraceAbstraction took 943.35ms. Allocated memory is still 102.8MB. Free memory was 44.3MB in the beginning and 47.3MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:40:51,104 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 102.8MB. Free memory was 47.3MB in the beginning and 46.7MB in the end (delta: 578.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 20:40:51,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 65.0MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.67ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 63.7MB in the end (delta: 10.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.65ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 60.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.92ms. Allocated memory is still 102.8MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 367.59ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 44.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 943.35ms. Allocated memory is still 102.8MB. Free memory was 44.3MB in the beginning and 47.3MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 102.8MB. Free memory was 47.3MB in the beginning and 46.7MB in the end (delta: 578.2kB). 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: 1558]: 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 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_fscanf_postinc_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 20:40:51,134 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