./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:46:56,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:46:57,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 22:46:57,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:46:57,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:46:57,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:46:57,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:46:57,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:46:57,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:46:57,047 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:46:57,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:46:57,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:46:57,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:46:57,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:46:57,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:46:57,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:46:57,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:46:57,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:46:57,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:46:57,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:46:57,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:46:57,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:46:57,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:46:57,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:46:57,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:46:57,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:46:57,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:46:57,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 22:46:57,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 22:46:57,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:46:57,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:46:57,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:46:57,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:46:57,054 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 [2024-11-07 22:46:57,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:46:57,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:46:57,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:46:57,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:46:57,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:46:57,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-07 22:46:58,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:46:59,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:46:59,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-07 22:46:59,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44927117a/fa0182bf203647c98367a5b9a30321f1/FLAG82a491dfe [2024-11-07 22:46:59,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44927117a/fa0182bf203647c98367a5b9a30321f1 [2024-11-07 22:46:59,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:46:59,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:46:59,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:46:59,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:46:59,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:46:59,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:46:59,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac162e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59, skipping insertion in model container [2024-11-07 22:46:59,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:46:59,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:46:59,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:46:59,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:46:59,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:46:59,968 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:46:59,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59 WrapperNode [2024-11-07 22:46:59,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:46:59,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:46:59,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:46:59,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:46:59,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:46:59,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,025 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 48 [2024-11-07 22:47:00,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:47:00,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:47:00,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:47:00,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:47:00,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,056 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 22:47:00,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:47:00,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:47:00,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:47:00,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:47:00,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (1/1) ... [2024-11-07 22:47:00,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:47:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:47:00,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 22:47:00,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 22:47:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:47:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:47:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:47:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:47:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:47:00,279 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:47:00,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:47:00,390 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-07 22:47:00,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:47:00,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:47:00,398 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:47:00,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:00 BoogieIcfgContainer [2024-11-07 22:47:00,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:47:00,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:47:00,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:47:00,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:47:00,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:46:59" (1/3) ... [2024-11-07 22:47:00,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d5f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:47:00, skipping insertion in model container [2024-11-07 22:47:00,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:59" (2/3) ... [2024-11-07 22:47:00,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d5f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:47:00, skipping insertion in model container [2024-11-07 22:47:00,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:00" (3/3) ... [2024-11-07 22:47:00,408 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-07 22:47:00,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:47:00,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:47:00,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:47:00,475 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;@4e639893, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:47:00,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:47:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 22:47:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 22:47:00,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:47:00,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:47:00,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:47:00,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:47:00,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-07 22:47:00,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 22:47:00,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538726871] [2024-11-07 22:47:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:47:00,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 22:47:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:47:00,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:47:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:47:00,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 22:47:00,635 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:47:00,636 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:47:00,638 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:47:00,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 22:47:00,642 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:47:00,666 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:47:00,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:47:00 BoogieIcfgContainer [2024-11-07 22:47:00,671 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:47:00,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:47:00,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:47:00,673 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:47:00,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:00" (3/4) ... [2024-11-07 22:47:00,676 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:47:00,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:47:00,678 INFO L158 Benchmark]: Toolchain (without parser) took 1566.59ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 39.7MB in the end (delta: 48.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-07 22:47:00,678 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:00,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.49ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 70.9MB in the end (delta: 17.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-11-07 22:47:00,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.55ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:00,680 INFO L158 Benchmark]: Boogie Preprocessor took 47.98ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:00,681 INFO L158 Benchmark]: RCFGBuilder took 324.21ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 55.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 22:47:00,681 INFO L158 Benchmark]: TraceAbstraction took 270.81ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 40.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 22:47:00,681 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 39.7MB in the end (delta: 467.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:00,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.49ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 70.9MB in the end (delta: 17.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.55ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.98ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.21ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 55.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 270.81ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 40.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 39.7MB in the end (delta: 467.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1577]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_53d_badSink(data) [L1577] data - 1 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=22occurred 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, 0.0s 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 [2024-11-07 22:47:00,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:47:02,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:47:02,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 22:47:02,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:47:02,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:47:02,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 22:47:03,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:47:03,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:47:03,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:47:03,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:47:03,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:47:03,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:47:03,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:47:03,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:47:03,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:47:03,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:47:03,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:47:03,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:47:03,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:47:03,022 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3373964143bc82bf5b7cdfe4a0a14ee76bcfa8915d074a65f7177afe9a4eeb19 [2024-11-07 22:47:03,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:47:03,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:47:03,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:47:03,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:47:03,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:47:03,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-07 22:47:04,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:47:04,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:47:04,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-07 22:47:05,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/545389c23/519fa7a8cc134dd8bfa23988cdfb3cc6/FLAG4b13dda1c [2024-11-07 22:47:05,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/545389c23/519fa7a8cc134dd8bfa23988cdfb3cc6 [2024-11-07 22:47:05,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:47:05,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:47:05,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:47:05,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:47:05,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:47:05,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:05,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa89dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05, skipping insertion in model container [2024-11-07 22:47:05,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:05,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:47:05,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:47:05,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:47:05,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:47:05,945 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:47:05,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05 WrapperNode [2024-11-07 22:47:05,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:47:05,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:47:05,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:47:05,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:47:05,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:05,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,010 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-07 22:47:06,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:47:06,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:47:06,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:47:06,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:47:06,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,041 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 22:47:06,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:47:06,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:47:06,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:47:06,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:47:06,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (1/1) ... [2024-11-07 22:47:06,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:47:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:47:06,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 22:47:06,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 22:47:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:47:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:47:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:47:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:47:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:47:06,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:47:06,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:47:06,390 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-07 22:47:06,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:47:06,398 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:47:06,399 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:47:06,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:06 BoogieIcfgContainer [2024-11-07 22:47:06,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:47:06,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:47:06,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:47:06,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:47:06,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:47:05" (1/3) ... [2024-11-07 22:47:06,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b016b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:47:06, skipping insertion in model container [2024-11-07 22:47:06,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:05" (2/3) ... [2024-11-07 22:47:06,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b016b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:47:06, skipping insertion in model container [2024-11-07 22:47:06,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:06" (3/3) ... [2024-11-07 22:47:06,411 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_53_bad.i [2024-11-07 22:47:06,423 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:47:06,424 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:47:06,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:47:06,485 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;@744d2f41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:47:06,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:47:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 22:47:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 22:47:06,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:47:06,497 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:47:06,497 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:47:06,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:47:06,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-07 22:47:06,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 22:47:06,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89164058] [2024-11-07 22:47:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:47:06,512 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 [2024-11-07 22:47:06,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 22:47:06,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 22:47:06,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 22:47:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:47:06,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:47:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:47:06,682 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 22:47:06,684 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:47:06,685 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:47:06,687 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:47:06,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 22:47:06,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 22:47:06,891 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:47:06,926 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:47:06,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:47:06 BoogieIcfgContainer [2024-11-07 22:47:06,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:47:06,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:47:06,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:47:06,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:47:06,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:06" (3/4) ... [2024-11-07 22:47:06,934 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:47:06,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:47:06,936 INFO L158 Benchmark]: Toolchain (without parser) took 1900.87ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.4MB in the beginning and 203.7MB in the end (delta: -114.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-07 22:47:06,937 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:06,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.54ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 67.7MB in the end (delta: 21.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-07 22:47:06,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.40ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:06,937 INFO L158 Benchmark]: Boogie Preprocessor took 55.25ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:06,938 INFO L158 Benchmark]: RCFGBuilder took 332.49ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 50.3MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 22:47:06,938 INFO L158 Benchmark]: TraceAbstraction took 528.03ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.8MB in the beginning and 203.9MB in the end (delta: -154.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-07 22:47:06,940 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 234.9MB. Free memory was 203.9MB in the beginning and 203.7MB in the end (delta: 149.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:47:06,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.54ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 67.7MB in the end (delta: 21.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.40ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.25ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.49ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 50.3MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 528.03ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.8MB in the beginning and 203.9MB in the end (delta: -154.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 234.9MB. Free memory was 203.9MB in the beginning and 203.7MB in the end (delta: 149.5kB). 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: 1577]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_53d_badSink(data) [L1577] data - 1 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=22occurred 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, 0.0s 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 [2024-11-07 22:47:06,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample