./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd --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 e282f909c269db2bd9853ca3330b5c489559e2b26979b16d05f6f388d23e1db6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:38:53,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:38:53,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:38:53,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:38:53,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:38:53,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:38:53,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:38:53,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:38:53,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:38:53,872 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:38:53,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:38:53,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:38:53,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:38:53,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:38:53,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:38:53,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:38:53,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:38:53,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:38:53,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:38:53,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:38:53,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:38:53,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:38:53,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:38:53,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:38:53,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:38:53,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:38:53,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:38:53,879 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd 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 -> e282f909c269db2bd9853ca3330b5c489559e2b26979b16d05f6f388d23e1db6 [2024-11-13 13:38:54,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:38:54,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:38:54,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:38:54,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:38:54,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:38:54,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i Unable to find full path for "g++" [2024-11-13 13:38:56,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:38:56,878 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:38:56,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i [2024-11-13 13:38:56,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data/935642aa3/dd5936a6a6144b918ba24280f8c4d2c9/FLAGaf872e9ca [2024-11-13 13:38:57,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data/935642aa3/dd5936a6a6144b918ba24280f8c4d2c9 [2024-11-13 13:38:57,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:38:57,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:38:57,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:38:57,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:38:57,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:38:57,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:57" (1/1) ... [2024-11-13 13:38:57,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1febe734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:57, skipping insertion in model container [2024-11-13 13:38:57,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:57" (1/1) ... [2024-11-13 13:38:57,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:38:59,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:38:59,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:38:59,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:39:00,194 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:39:00,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00 WrapperNode [2024-11-13 13:39:00,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:39:00,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:39:00,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:39:00,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:39:00,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,263 INFO L138 Inliner]: procedures = 935, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 13:39:00,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:39:00,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:39:00,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:39:00,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:39:00,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,292 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:39:00,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:39:00,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:39:00,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:39:00,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:39:00,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (1/1) ... [2024-11-13 13:39:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:39:00,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:39:00,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:39:00,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:39:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:39:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:39:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:39:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:39:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:39:00,660 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:39:00,663 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:39:00,853 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 13:39:00,854 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:39:00,868 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:39:00,869 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:39:00,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:00 BoogieIcfgContainer [2024-11-13 13:39:00,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:39:00,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:39:00,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:39:00,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:39:00,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:38:57" (1/3) ... [2024-11-13 13:39:00,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d3974e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:39:00, skipping insertion in model container [2024-11-13 13:39:00,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:00" (2/3) ... [2024-11-13 13:39:00,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d3974e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:39:00, skipping insertion in model container [2024-11-13 13:39:00,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:00" (3/3) ... [2024-11-13 13:39:00,883 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_31_bad.i [2024-11-13 13:39:00,905 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:39:00,907 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_31_bad.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:39:00,994 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:39:01,016 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;@6f06eed3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:39:01,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:39:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-13 13:39:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:39:01,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:39:01,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:39:01,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:39:01,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:39:01,045 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-13 13:39:01,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:39:01,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468475838] [2024-11-13 13:39:01,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:39:01,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:39:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:39:01,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:39:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:39:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:39:01,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:39:01,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468475838] [2024-11-13 13:39:01,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468475838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:39:01,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:39:01,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:39:01,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767654343] [2024-11-13 13:39:01,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:39:01,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:39:01,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:39:01,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:39:01,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:39:01,431 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-13 13:39:01,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:39:01,453 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-13 13:39:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:39:01,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2024-11-13 13:39:01,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:39:01,465 INFO L225 Difference]: With dead ends: 19 [2024-11-13 13:39:01,465 INFO L226 Difference]: Without dead ends: 11 [2024-11-13 13:39:01,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:39:01,476 INFO L432 NwaCegarLoop]: 19 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, 19 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 [2024-11-13 13:39:01,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:39:01,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-13 13:39:01,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-13 13:39:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2024-11-13 13:39:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 13:39:01,523 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-13 13:39:01,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:39:01,524 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-13 13:39:01,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-13 13:39:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 13:39:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:39:01,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:39:01,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:39:01,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:39:01,528 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:39:01,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:39:01,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170657, now seen corresponding path program 1 times [2024-11-13 13:39:01,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:39:01,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192262556] [2024-11-13 13:39:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:39:01,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:39:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:39:01,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033180736] [2024-11-13 13:39:01,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:39:01,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:39:01,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:39:01,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:39:01,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:39:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:39:01,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:39:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:39:01,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:39:01,849 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:39:01,851 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:39:01,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:39:01,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:39:02,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:39:02,059 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:39:02,087 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:39:02,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:39:02 BoogieIcfgContainer [2024-11-13 13:39:02,091 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:39:02,092 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:39:02,092 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:39:02,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:39:02,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:00" (3/4) ... [2024-11-13 13:39:02,097 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:39:02,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:39:02,099 INFO L158 Benchmark]: Toolchain (without parser) took 4720.19ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 64.1MB in the end (delta: 50.5MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-13 13:39:02,100 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:02,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2813.80ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 109.2MB in the end (delta: 5.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2024-11-13 13:39:02,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.01ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 105.5MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:02,101 INFO L158 Benchmark]: Boogie Preprocessor took 40.76ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.6MB in the end (delta: 911.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:02,102 INFO L158 Benchmark]: RCFGBuilder took 564.08ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 93.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:39:02,102 INFO L158 Benchmark]: TraceAbstraction took 1218.66ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 64.1MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:39:02,102 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 142.6MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:02,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2813.80ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 109.2MB in the end (delta: 5.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.01ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 105.5MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.76ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.6MB in the end (delta: 911.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.08ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 93.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1218.66ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 64.1MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 142.6MB. Free memory is still 64.1MB. 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: 1841]: 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 1849. 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] [L1849] 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) [L1849] 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] [L1850] CALL CWE190_Integer_Overflow__int_fscanf_square_31_bad() [L1834] int data; [L1835] data = 0 [L1838] int dataCopy = data; [L1839] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1841] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1841]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 19 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, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2024-11-13 13:39:02,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd --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 e282f909c269db2bd9853ca3330b5c489559e2b26979b16d05f6f388d23e1db6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:39:05,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:39:05,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:39:05,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:39:05,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:39:05,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:39:05,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:39:05,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:39:05,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:39:05,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:39:05,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:39:05,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:39:05,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:39:05,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:39:05,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:39:05,775 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:39:05,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:39:05,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:39:05,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:39:05,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:39:05,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:39:05,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:39:05,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:39:05,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:39:05,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:39:05,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:39:05,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:39:05,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:39:05,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:39:05,779 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:39:05,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:39:05,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:39:05,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:39:05,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:39:05,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:39:05,781 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd 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 -> e282f909c269db2bd9853ca3330b5c489559e2b26979b16d05f6f388d23e1db6 [2024-11-13 13:39:06,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:39:06,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:39:06,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:39:06,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:39:06,240 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:39:06,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i Unable to find full path for "g++" [2024-11-13 13:39:08,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:39:09,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:39:09,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_31_bad.i [2024-11-13 13:39:09,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data/063d62598/41d56ab2375a4299ab2b146fabfce8b1/FLAGd3cf0d376 [2024-11-13 13:39:09,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/data/063d62598/41d56ab2375a4299ab2b146fabfce8b1 [2024-11-13 13:39:09,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:39:09,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:39:09,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:39:09,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:39:09,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:39:09,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:09" (1/1) ... [2024-11-13 13:39:09,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72069e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:09, skipping insertion in model container [2024-11-13 13:39:09,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:09" (1/1) ... [2024-11-13 13:39:09,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:39:11,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:39:11,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:39:12,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:39:12,458 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:39:12,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12 WrapperNode [2024-11-13 13:39:12,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:39:12,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:39:12,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:39:12,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:39:12,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,545 INFO L138 Inliner]: procedures = 940, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 13:39:12,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:39:12,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:39:12,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:39:12,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:39:12,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,579 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:39:12,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:39:12,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:39:12,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:39:12,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:39:12,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (1/1) ... [2024-11-13 13:39:12,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:39:12,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:39:12,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:39:12,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:39:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:39:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:39:12,907 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:39:12,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:39:13,832 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 13:39:13,833 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:39:13,844 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:39:13,845 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:39:13,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:13 BoogieIcfgContainer [2024-11-13 13:39:13,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:39:13,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:39:13,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:39:13,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:39:13,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:39:09" (1/3) ... [2024-11-13 13:39:13,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45907539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:39:13, skipping insertion in model container [2024-11-13 13:39:13,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:12" (2/3) ... [2024-11-13 13:39:13,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45907539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:39:13, skipping insertion in model container [2024-11-13 13:39:13,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:13" (3/3) ... [2024-11-13 13:39:13,861 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_31_bad.i [2024-11-13 13:39:13,881 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:39:13,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_31_bad.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:39:13,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:39:13,966 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;@5b43de52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:39:13,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:39:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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) [2024-11-13 13:39:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:39:13,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:39:13,983 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:39:13,984 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:39:13,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:39:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-13 13:39:14,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:39:14,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394113373] [2024-11-13 13:39:14,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:39:14,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:39:14,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:39:14,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:39:14,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:39:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:39:16,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:39:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:39:20,867 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:39:20,870 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:39:20,872 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:39:20,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:39:20,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:39:21,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:39:21,088 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:39:21,118 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:39:21,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:39:21 BoogieIcfgContainer [2024-11-13 13:39:21,124 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:39:21,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:39:21,126 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:39:21,126 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:39:21,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:39:13" (3/4) ... [2024-11-13 13:39:21,132 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:39:21,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:39:21,135 INFO L158 Benchmark]: Toolchain (without parser) took 11558.22ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 88.1MB in the beginning and 239.1MB in the end (delta: -151.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-13 13:39:21,138 INFO L158 Benchmark]: CDTParser took 1.90ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:21,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2878.30ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 36.2MB in the end (delta: 51.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2024-11-13 13:39:21,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.16ms. Allocated memory is still 117.4MB. Free memory was 36.2MB in the beginning and 32.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:21,140 INFO L158 Benchmark]: Boogie Preprocessor took 51.47ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 32.3MB in the beginning and 273.7MB in the end (delta: -241.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:39:21,140 INFO L158 Benchmark]: RCFGBuilder took 1246.60ms. Allocated memory is still 310.4MB. Free memory was 273.7MB in the beginning and 257.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:39:21,141 INFO L158 Benchmark]: TraceAbstraction took 7274.51ms. Allocated memory is still 310.4MB. Free memory was 257.5MB in the beginning and 239.1MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:39:21,141 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 310.4MB. Free memory is still 239.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:39:21,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2878.30ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 36.2MB in the end (delta: 51.7MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.16ms. Allocated memory is still 117.4MB. Free memory was 36.2MB in the beginning and 32.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.47ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 32.3MB in the beginning and 273.7MB in the end (delta: -241.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1246.60ms. Allocated memory is still 310.4MB. Free memory was 273.7MB in the beginning and 257.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7274.51ms. Allocated memory is still 310.4MB. Free memory was 257.5MB in the beginning and 239.1MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 310.4MB. Free memory is still 239.1MB. 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: 1841]: 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 1849. 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] [L1849] 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) [L1849] 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] [L1850] CALL CWE190_Integer_Overflow__int_fscanf_square_31_bad() [L1834] int data; [L1835] data = 0 [L1838] int dataCopy = data; [L1839] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1841] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1841]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-13 13:39:21,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6609fc-7009-47dd-a162-9e0d41a0a645/bin/uautomizer-verify-qhAvR1uOyd/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