./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_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_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6ef6e7bafe69fd141c7db6902987cd8cb3d587fd0553a66fb463142b89c3940 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:47:34,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:47:35,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 04:47:35,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:47:35,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:47:35,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:47:35,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:47:35,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:47:35,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:47:35,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:47:35,187 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:47:35,187 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:47:35,187 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:47:35,188 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:47:35,188 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:47:35,188 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:47:35,188 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:47:35,190 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:47:35,190 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:47:35,191 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:47:35,191 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:47:35,191 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:47:35,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:47:35,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:47:35,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:47:35,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:47:35,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:47:35,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:47:35,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:47:35,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:47:35,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:35,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:47:35,194 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> c6ef6e7bafe69fd141c7db6902987cd8cb3d587fd0553a66fb463142b89c3940 [2024-11-14 04:47:35,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:47:35,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:47:35,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:47:35,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:47:35,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:47:35,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_bad.i Unable to find full path for "g++" [2024-11-14 04:47:38,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:47:38,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:47:38,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_bad.i [2024-11-14 04:47:38,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data/59b25e2c3/13103dd75e69481280d2fb7c039a9204/FLAGe8e5c6381 [2024-11-14 04:47:38,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data/59b25e2c3/13103dd75e69481280d2fb7c039a9204 [2024-11-14 04:47:38,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:47:38,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:47:38,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:38,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:47:39,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:47:39,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:38" (1/1) ... [2024-11-14 04:47:39,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9698e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:39, skipping insertion in model container [2024-11-14 04:47:39,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:38" (1/1) ... [2024-11-14 04:47:39,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:47:41,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:41,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:47:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:42,172 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:47:42,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42 WrapperNode [2024-11-14 04:47:42,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:42,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:42,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:47:42,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:47:42,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,254 INFO L138 Inliner]: procedures = 936, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-14 04:47:42,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:42,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:47:42,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:47:42,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:47:42,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:47:42,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:47:42,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:47:42,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:47:42,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (1/1) ... [2024-11-14 04:47:42,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:42,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:42,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:47:42,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:47:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:47:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:47:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:47:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:47:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:47:42,678 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:47:42,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:47:42,888 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-14 04:47:42,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:47:42,975 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:47:42,979 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:47:42,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:42 BoogieIcfgContainer [2024-11-14 04:47:42,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:47:42,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:47:42,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:47:42,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:47:42,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:47:38" (1/3) ... [2024-11-14 04:47:42,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f797edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:42, skipping insertion in model container [2024-11-14 04:47:42,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:42" (2/3) ... [2024-11-14 04:47:42,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f797edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:42, skipping insertion in model container [2024-11-14 04:47:42,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:42" (3/3) ... [2024-11-14 04:47:43,000 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_45_bad.i [2024-11-14 04:47:43,027 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:47:43,030 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_45_bad.i that has 2 procedures, 12 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:47:43,138 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:47:43,165 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=FINITE_AUTOMATA, 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;@2353c728, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:47:43,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:47:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2024-11-14 04:47:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 04:47:43,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:43,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 04:47:43,184 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:47:43,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:43,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-14 04:47:43,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:47:43,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018494546] [2024-11-14 04:47:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:43,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:47:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:47:43,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:47:43,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018494546] [2024-11-14 04:47:43,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018494546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:47:43,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:47:43,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 04:47:43,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659922864] [2024-11-14 04:47:43,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:47:43,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:47:43,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:47:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:47:43,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:47:43,546 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-14 04:47:43,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:47:43,579 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2024-11-14 04:47:43,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:47:43,586 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 6 [2024-11-14 04:47:43,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:47:43,594 INFO L225 Difference]: With dead ends: 12 [2024-11-14 04:47:43,594 INFO L226 Difference]: Without dead ends: 8 [2024-11-14 04:47:43,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:47:43,602 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:47:43,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:47:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-14 04:47:43,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-14 04:47:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2024-11-14 04:47:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-14 04:47:43,649 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2024-11-14 04:47:43,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:47:43,650 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-14 04:47:43,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-14 04:47:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-14 04:47:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:47:43,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:43,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:47:43,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:47:43,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:47:43,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:43,652 INFO L85 PathProgramCache]: Analyzing trace with hash 917590043, now seen corresponding path program 1 times [2024-11-14 04:47:43,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:47:43,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732439987] [2024-11-14 04:47:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:43,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:47:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:47:43,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050066112] [2024-11-14 04:47:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:43,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:47:43,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:43,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:47:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:47:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:47:43,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:47:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:47:43,896 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:47:43,897 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:47:43,899 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:47:43,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:47:43,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:47:44,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:47:44,111 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 04:47:44,150 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:47:44,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:47:44 BoogieIcfgContainer [2024-11-14 04:47:44,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:47:44,166 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:47:44,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:47:44,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:47:44,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:42" (3/4) ... [2024-11-14 04:47:44,170 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:47:44,173 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:47:44,175 INFO L158 Benchmark]: Toolchain (without parser) took 5179.55ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 58.8MB in the end (delta: 28.6MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-14 04:47:44,176 INFO L158 Benchmark]: CDTParser took 2.61ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:44,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3179.09ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 57.0MB in the end (delta: 30.1MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:44,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.65ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 53.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:44,179 INFO L158 Benchmark]: Boogie Preprocessor took 54.69ms. Allocated memory is still 117.4MB. Free memory was 53.6MB in the beginning and 52.9MB in the end (delta: 683.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:44,179 INFO L158 Benchmark]: RCFGBuilder took 670.73ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 38.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:47:44,181 INFO L158 Benchmark]: TraceAbstraction took 1178.68ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 58.8MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:44,181 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 117.4MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:44,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3179.09ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 57.0MB in the end (delta: 30.1MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.65ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 53.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.69ms. Allocated memory is still 117.4MB. Free memory was 53.6MB in the beginning and 52.9MB in the end (delta: 683.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 670.73ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 38.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1178.68ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 58.8MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 117.4MB. Free memory is still 58.8MB. 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: 1839]: 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 1854. 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); [L1832] static int CWE190_Integer_Overflow__int_fscanf_square_45_badData; [L1833] static int CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData; [L1834] static int CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData; [L1854] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, 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) [L1854] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_fscanf_square_45_bad() [L1845] int data; [L1846] data = 0 [L1848] CWE190_Integer_Overflow__int_fscanf_square_45_badData = data [L1849] CALL badSink() [L1837] int data = CWE190_Integer_Overflow__int_fscanf_square_45_badData; VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=-46341, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, 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] [L1839] data * data VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=-46341, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, 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: 1839]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2024-11-14 04:47:44,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6ef6e7bafe69fd141c7db6902987cd8cb3d587fd0553a66fb463142b89c3940 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:47:47,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:47:47,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 04:47:47,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:47:47,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:47:47,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:47:47,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:47:47,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:47:47,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:47:47,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:47:47,888 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:47:47,889 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:47:47,889 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:47:47,889 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:47:47,890 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:47:47,890 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:47:47,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:47:47,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:47:47,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:47:47,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:47:47,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:47:47,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:47:47,892 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:47:47,892 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:47:47,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:47:47,893 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:47:47,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:47:47,893 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:47:47,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:47:47,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:47:47,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:47:47,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:47:47,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:47:47,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:47:47,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:47,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:47:47,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> c6ef6e7bafe69fd141c7db6902987cd8cb3d587fd0553a66fb463142b89c3940 [2024-11-14 04:47:48,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:47:48,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:47:48,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:47:48,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:47:48,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:47:48,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_bad.i Unable to find full path for "g++" [2024-11-14 04:47:50,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:47:51,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:47:51,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_45_bad.i [2024-11-14 04:47:51,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data/c41f3d29e/b59900e8feb5456b8915dbe416c258a9/FLAGec341e799 [2024-11-14 04:47:51,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/data/c41f3d29e/b59900e8feb5456b8915dbe416c258a9 [2024-11-14 04:47:51,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:47:51,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:47:51,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:51,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:47:51,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:47:51,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:51" (1/1) ... [2024-11-14 04:47:51,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c353f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:51, skipping insertion in model container [2024-11-14 04:47:51,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:51" (1/1) ... [2024-11-14 04:47:51,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:47:54,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:54,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:47:54,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:54,578 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:47:54,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54 WrapperNode [2024-11-14 04:47:54,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:54,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:54,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:47:54,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:47:54,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,652 INFO L138 Inliner]: procedures = 941, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-14 04:47:54,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:54,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:47:54,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:47:54,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:47:54,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:47:54,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:47:54,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:47:54,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:47:54,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (1/1) ... [2024-11-14 04:47:54,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:54,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:54,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:47:54,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:47:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:47:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:47:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:47:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:47:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:47:54,930 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:47:54,932 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:47:57,243 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:47:57,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:47:57,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:47:57,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:47:57,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:57 BoogieIcfgContainer [2024-11-14 04:47:57,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:47:57,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:47:57,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:47:57,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:47:57,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:47:51" (1/3) ... [2024-11-14 04:47:57,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c284316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:57, skipping insertion in model container [2024-11-14 04:47:57,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:54" (2/3) ... [2024-11-14 04:47:57,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c284316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:57, skipping insertion in model container [2024-11-14 04:47:57,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:57" (3/3) ... [2024-11-14 04:47:57,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_45_bad.i [2024-11-14 04:47:57,293 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:47:57,295 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_45_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:47:57,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:47:57,390 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=FINITE_AUTOMATA, 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;@4a39f61a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:47:57,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:47:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:47:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:47:57,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:57,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:47:57,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:47:57,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:57,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-14 04:47:57,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:47:57,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719361633] [2024-11-14 04:47:57,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:57,424 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 [2024-11-14 04:47:57,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:47:57,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:47:57,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:47:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:47:57,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:47:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:47:57,760 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:47:57,762 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:47:57,764 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:47:57,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:47:57,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:47:57,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:47:57,972 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:47:58,011 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:47:58,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:47:58 BoogieIcfgContainer [2024-11-14 04:47:58,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:47:58,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:47:58,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:47:58,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:47:58,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:57" (3/4) ... [2024-11-14 04:47:58,021 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:47:58,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:47:58,023 INFO L158 Benchmark]: Toolchain (without parser) took 6395.26ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 55.4MB in the beginning and 102.2MB in the end (delta: -46.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-14 04:47:58,027 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:58,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2946.95ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 29.1MB in the end (delta: 26.0MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-14 04:47:58,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.87ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 29.1MB in the beginning and 133.9MB in the end (delta: -104.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-14 04:47:58,028 INFO L158 Benchmark]: Boogie Preprocessor took 27.09ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 132.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:58,029 INFO L158 Benchmark]: RCFGBuilder took 2575.65ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 118.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:58,032 INFO L158 Benchmark]: TraceAbstraction took 756.29ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 102.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:47:58,032 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 102.2MB in the end (delta: 471.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:58,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2946.95ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 29.1MB in the end (delta: 26.0MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.87ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 29.1MB in the beginning and 133.9MB in the end (delta: -104.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.09ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 132.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2575.65ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 118.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 756.29ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 102.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 102.2MB in the end (delta: 471.8kB). 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: 1839]: 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 1854. 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); [L1832] static int CWE190_Integer_Overflow__int_fscanf_square_45_badData; [L1833] static int CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData; [L1834] static int CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, 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) [L1854] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_fscanf_square_45_bad() [L1845] int data; [L1846] data = 0 [L1848] CWE190_Integer_Overflow__int_fscanf_square_45_badData = data [L1849] CALL badSink() [L1837] int data = CWE190_Integer_Overflow__int_fscanf_square_45_badData; VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=-2147483648, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, 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] [L1839] data * data VAL [CWE190_Integer_Overflow__int_fscanf_square_45_badData=-2147483648, CWE190_Integer_Overflow__int_fscanf_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_fscanf_square_45_goodG2BData=0, 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: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 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=20occurred 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, 0.1s 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 [2024-11-14 04:47:58,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a9cf269-3926-4ca0-81d5-02adb8e182f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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