./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU --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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:31,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:31,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:09:31,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:31,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:31,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:31,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:31,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:31,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:31,512 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:31,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:31,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:31,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:31,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:31,516 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:31,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:31,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:31,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:31,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:31,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:31,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:31,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:31,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:31,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:09:31,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:31,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:31,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:31,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:31,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:31,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:31,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:31,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:31,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:31,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:31,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:31,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:31,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:31,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:31,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:31,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:31,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:31,531 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2024-10-31 22:09:31,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:31,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:31,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:31,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:31,856 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:31,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i Unable to find full path for "g++" [2024-10-31 22:09:33,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:34,338 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:34,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-10-31 22:09:34,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data/ae3dfc47b/fe60263e28e44d759fbc8111fed2cf86/FLAGcb6832a37 [2024-10-31 22:09:34,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data/ae3dfc47b/fe60263e28e44d759fbc8111fed2cf86 [2024-10-31 22:09:34,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:34,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:34,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:34,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:34,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:34,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:34" (1/1) ... [2024-10-31 22:09:34,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd76f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:34, skipping insertion in model container [2024-10-31 22:09:34,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:34" (1/1) ... [2024-10-31 22:09:34,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:35,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:35,811 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:35,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:36,086 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:36,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36 WrapperNode [2024-10-31 22:09:36,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:36,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:36,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:36,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:36,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,196 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-10-31 22:09:36,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:36,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:36,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:36,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:36,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,226 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:09:36,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:36,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:36,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:36,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:36,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:36,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:36,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:36,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:09:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:09:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:36,521 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:36,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:36,660 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-31 22:09:36,661 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:36,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:36,680 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:09:36,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:36 BoogieIcfgContainer [2024-10-31 22:09:36,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:36,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:36,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:36,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:36,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:34" (1/3) ... [2024-10-31 22:09:36,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aa0214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:36, skipping insertion in model container [2024-10-31 22:09:36,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36" (2/3) ... [2024-10-31 22:09:36,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aa0214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:36, skipping insertion in model container [2024-10-31 22:09:36,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:36" (3/3) ... [2024-10-31 22:09:36,695 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-10-31 22:09:36,714 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:36,714 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:09:36,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:36,789 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;@1517f06d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:36,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:09:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:09:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:09:36,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:09:36,806 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:36,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:09:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-10-31 22:09:36,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:36,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348780454] [2024-10-31 22:09:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:36,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:36,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:37,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:37,055 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:09:37,056 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:09:37,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:09:37,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:09:37,064 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:09:37,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:09:37,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:09:37 BoogieIcfgContainer [2024-10-31 22:09:37,095 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:09:37,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:09:37,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:09:37,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:09:37,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:36" (3/4) ... [2024-10-31 22:09:37,101 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:09:37,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:09:37,103 INFO L158 Benchmark]: Toolchain (without parser) took 2715.72ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 117.3MB in the end (delta: 28.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-10-31 22:09:37,104 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:09:37,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1697.79ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 80.4MB in the end (delta: 65.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-31 22:09:37,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.98ms. Allocated memory is still 182.5MB. Free memory was 80.4MB in the beginning and 147.8MB in the end (delta: -67.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:09:37,107 INFO L158 Benchmark]: Boogie Preprocessor took 43.31ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:37,108 INFO L158 Benchmark]: RCFGBuilder took 438.86ms. Allocated memory is still 182.5MB. Free memory was 145.7MB in the beginning and 134.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:09:37,109 INFO L158 Benchmark]: TraceAbstraction took 410.17ms. Allocated memory is still 182.5MB. Free memory was 133.1MB in the beginning and 117.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:09:37,110 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 182.5MB. Free memory was 117.5MB in the beginning and 117.3MB in the end (delta: 176.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:09:37,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1697.79ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 80.4MB in the end (delta: 65.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.98ms. Allocated memory is still 182.5MB. Free memory was 80.4MB in the beginning and 147.8MB in the end (delta: -67.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.31ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.86ms. Allocated memory is still 182.5MB. Free memory was 145.7MB in the beginning and 134.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 410.17ms. Allocated memory is still 182.5MB. Free memory was 133.1MB in the beginning and 117.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 182.5MB. Free memory was 117.5MB in the beginning and 117.3MB in the end (delta: 176.6kB). 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 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 [2024-10-31 22:09:37,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU --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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:39,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:40,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:09:40,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:40,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:40,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:09:40,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:40,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:40,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:40,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:40,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:40,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:40,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:40,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:40,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:40,075 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:40,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:40,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:40,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:40,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:40,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:40,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:40,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:09:40,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:09:40,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:40,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:09:40,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:09:40,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:40,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:40,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:40,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:40,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:40,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:40,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:40,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:40,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:40,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:40,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:40,100 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:09:40,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:09:40,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:40,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:40,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:40,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:40,104 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:09:40,105 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2024-10-31 22:09:40,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:40,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:40,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:40,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:40,676 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:40,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i Unable to find full path for "g++" [2024-10-31 22:09:42,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:43,077 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:43,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-10-31 22:09:43,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data/b4c2184b1/ca4b3d8083a947358b3689da57703922/FLAG176846f6e [2024-10-31 22:09:43,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/data/b4c2184b1/ca4b3d8083a947358b3689da57703922 [2024-10-31 22:09:43,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:43,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:43,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:43,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:43,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:43,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:43" (1/1) ... [2024-10-31 22:09:43,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7bdcbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:43, skipping insertion in model container [2024-10-31 22:09:43,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:43" (1/1) ... [2024-10-31 22:09:43,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:44,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:44,473 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:44,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:44,810 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:44,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44 WrapperNode [2024-10-31 22:09:44,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:44,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:44,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:44,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:44,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,894 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-31 22:09:44,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:44,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:44,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:44,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:44,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,938 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:09:44,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:44,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:44,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:44,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:44,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (1/1) ... [2024-10-31 22:09:44,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:45,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:45,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:09:45,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:09:45,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:45,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:45,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:45,319 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:45,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:45,484 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-31 22:09:45,484 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:45,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:45,501 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:09:45,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:45 BoogieIcfgContainer [2024-10-31 22:09:45,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:45,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:45,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:45,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:45,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:43" (1/3) ... [2024-10-31 22:09:45,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13189f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:45, skipping insertion in model container [2024-10-31 22:09:45,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:44" (2/3) ... [2024-10-31 22:09:45,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13189f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:45, skipping insertion in model container [2024-10-31 22:09:45,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:45" (3/3) ... [2024-10-31 22:09:45,516 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-10-31 22:09:45,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:45,536 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:09:45,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:45,629 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;@215649a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:45,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:09:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:09:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:09:45,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:09:45,645 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:45,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:09:45,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:45,653 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-10-31 22:09:45,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:09:45,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219216507] [2024-10-31 22:09:45,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:45,668 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 [2024-10-31 22:09:45,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:09:45,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:09:45,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:09:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:45,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:45,912 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:09:45,914 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:09:45,915 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:09:45,917 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:09:45,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:09:46,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:09:46,135 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:09:46,165 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:09:46,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:09:46 BoogieIcfgContainer [2024-10-31 22:09:46,169 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:09:46,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:09:46,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:09:46,171 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:09:46,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:45" (3/4) ... [2024-10-31 22:09:46,175 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:09:46,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:09:46,178 INFO L158 Benchmark]: Toolchain (without parser) took 3031.51ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 39.2MB in the beginning and 69.7MB in the end (delta: -30.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-10-31 22:09:46,179 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 73.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:09:46,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1661.52ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.0MB in the beginning and 39.2MB in the end (delta: -235.8kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-10-31 22:09:46,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.87ms. Allocated memory is still 81.8MB. Free memory was 39.2MB in the beginning and 35.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:46,181 INFO L158 Benchmark]: Boogie Preprocessor took 79.09ms. Allocated memory is still 81.8MB. Free memory was 35.9MB in the beginning and 33.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:09:46,182 INFO L158 Benchmark]: RCFGBuilder took 526.69ms. Allocated memory is still 81.8MB. Free memory was 33.5MB in the beginning and 42.2MB in the end (delta: -8.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-10-31 22:09:46,183 INFO L158 Benchmark]: TraceAbstraction took 664.76ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 41.7MB in the beginning and 70.3MB in the end (delta: -28.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:09:46,184 INFO L158 Benchmark]: Witness Printer took 6.24ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 69.7MB in the end (delta: 574.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:09:46,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 73.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1661.52ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.0MB in the beginning and 39.2MB in the end (delta: -235.8kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.87ms. Allocated memory is still 81.8MB. Free memory was 39.2MB in the beginning and 35.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.09ms. Allocated memory is still 81.8MB. Free memory was 35.9MB in the beginning and 33.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.69ms. Allocated memory is still 81.8MB. Free memory was 33.5MB in the beginning and 42.2MB in the end (delta: -8.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * TraceAbstraction took 664.76ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 41.7MB in the beginning and 70.3MB in the end (delta: -28.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.24ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 69.7MB in the end (delta: 574.3kB). 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 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 [2024-10-31 22:09:46,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ed9c1a-2f2b-4c46-add0-c0ffe702bb09/bin/uautomizer-verify-4GaUIPS5ZU/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