./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:58,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:58,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 21:59:58,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:58,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:58,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:58,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:58,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:58,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:58,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:58,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:58,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:58,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:58,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:58,429 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:58,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:58,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:58,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:58,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:58,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:58,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:58,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:58,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:58,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:59:58,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:58,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:58,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:58,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:58,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:58,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:58,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:58,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:58,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:58,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:58,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:58,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:58,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:58,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:58,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:58,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:58,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:58,453 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_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f [2024-10-31 21:59:58,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:58,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:58,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:58,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:58,867 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:58,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i Unable to find full path for "g++" [2024-10-31 22:00:01,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:01,546 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:01,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2024-10-31 22:00:01,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data/4f4f96f29/90fe29b851b644cab2302ba31c3a75aa/FLAG0b27791a1 [2024-10-31 22:00:01,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data/4f4f96f29/90fe29b851b644cab2302ba31c3a75aa [2024-10-31 22:00:01,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:01,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:01,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:01,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:01,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:01,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:01" (1/1) ... [2024-10-31 22:00:01,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d40be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:01, skipping insertion in model container [2024-10-31 22:00:01,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:01" (1/1) ... [2024-10-31 22:00:01,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:03,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:03,034 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:03,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:03,364 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:03,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03 WrapperNode [2024-10-31 22:00:03,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:03,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:03,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:03,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:03,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,434 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-31 22:00:03,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:03,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:03,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:03,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:03,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,476 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:00:03,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:03,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:03,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:03,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:03,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (1/1) ... [2024-10-31 22:00:03,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:03,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:03,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:03,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:00:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:00:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:03,735 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:03,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:03,858 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-31 22:00:03,859 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:03,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:03,873 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:00:03,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:03 BoogieIcfgContainer [2024-10-31 22:00:03,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:03,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:03,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:03,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:03,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:01" (1/3) ... [2024-10-31 22:00:03,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c604b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:03, skipping insertion in model container [2024-10-31 22:00:03,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:03" (2/3) ... [2024-10-31 22:00:03,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c604b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:03, skipping insertion in model container [2024-10-31 22:00:03,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:03" (3/3) ... [2024-10-31 22:00:03,885 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2024-10-31 22:00:03,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:03,904 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:00:03,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:03,992 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;@2f4c3f85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:03,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:00:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:00:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 22:00:04,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:04,011 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:04,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:00:04,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:04,022 INFO L85 PathProgramCache]: Analyzing trace with hash -873617574, now seen corresponding path program 1 times [2024-10-31 22:00:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:04,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051271041] [2024-10-31 22:00:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:04,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:00:04,280 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:00:04,282 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:00:04,284 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:00:04,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:00:04,293 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:00:04,321 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:00:04,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:00:04 BoogieIcfgContainer [2024-10-31 22:00:04,325 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:00:04,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:00:04,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:00:04,328 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:00:04,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:03" (3/4) ... [2024-10-31 22:00:04,331 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:00:04,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:00:04,334 INFO L158 Benchmark]: Toolchain (without parser) took 2573.04ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 97.1MB in the beginning and 97.0MB in the end (delta: 129.8kB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,336 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:00:04,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.94ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 96.7MB in the beginning and 131.6MB in the end (delta: -34.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.68ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 128.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,339 INFO L158 Benchmark]: Boogie Preprocessor took 63.69ms. Allocated memory is still 182.5MB. Free memory was 128.3MB in the beginning and 126.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,340 INFO L158 Benchmark]: RCFGBuilder took 373.02ms. Allocated memory is still 182.5MB. Free memory was 126.4MB in the beginning and 113.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,340 INFO L158 Benchmark]: TraceAbstraction took 448.59ms. Allocated memory is still 182.5MB. Free memory was 113.8MB in the beginning and 98.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,341 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 182.5MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:00:04,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.94ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 96.7MB in the beginning and 131.6MB in the end (delta: -34.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.68ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 128.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.69ms. Allocated memory is still 182.5MB. Free memory was 128.3MB in the beginning and 126.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.02ms. Allocated memory is still 182.5MB. Free memory was 126.4MB in the beginning and 113.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 448.59ms. Allocated memory is still 182.5MB. Free memory was 113.8MB in the beginning and 98.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 182.5MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 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=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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 22:00:04,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:00:07,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:07,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:00:07,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:07,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:07,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:00:07,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:07,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:07,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:07,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:00:07,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:00:07,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:00:07,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:00:07,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:07,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:07,453 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:07,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:07,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:00:07,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:07,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:00:07,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:00:07,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:00:07,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:00:07,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:00:07,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:07,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:00:07,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:00:07,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:00:07,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:07,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:07,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:07,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:07,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:00:07,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:00:07,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:07,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:07,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:00:07,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:00:07,464 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:00:07,464 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:00:07,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:00:07,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:00:07,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:00:07,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:00:07,466 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:00:07,466 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_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f [2024-10-31 22:00:08,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:08,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:08,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:08,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:08,077 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:08,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i Unable to find full path for "g++" [2024-10-31 22:00:10,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:11,185 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:11,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2024-10-31 22:00:11,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data/d2795a305/5ab24ec3f4ce4504b2be536472a5c13a/FLAG431ce2a0a [2024-10-31 22:00:11,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/data/d2795a305/5ab24ec3f4ce4504b2be536472a5c13a [2024-10-31 22:00:11,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:11,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:11,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:11,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:11,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:11,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:11" (1/1) ... [2024-10-31 22:00:11,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1718bb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:11, skipping insertion in model container [2024-10-31 22:00:11,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:11" (1/1) ... [2024-10-31 22:00:11,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:12,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:12,479 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:12,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:12,861 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:12,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12 WrapperNode [2024-10-31 22:00:12,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:12,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:12,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:12,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:12,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:12,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:12,962 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-10-31 22:00:12,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:12,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:12,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:12,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:12,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:12,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:12,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,009 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:00:13,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:13,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:13,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:13,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:13,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (1/1) ... [2024-10-31 22:00:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:13,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:13,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:13,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:00:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:00:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:13,482 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:13,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:13,712 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-31 22:00:13,712 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:13,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:13,730 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:00:13,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:13 BoogieIcfgContainer [2024-10-31 22:00:13,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:13,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:13,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:13,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:13,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:11" (1/3) ... [2024-10-31 22:00:13,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af9cedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:13, skipping insertion in model container [2024-10-31 22:00:13,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:12" (2/3) ... [2024-10-31 22:00:13,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af9cedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:13, skipping insertion in model container [2024-10-31 22:00:13,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:13" (3/3) ... [2024-10-31 22:00:13,745 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2024-10-31 22:00:13,769 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:13,770 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:00:13,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:13,934 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;@1db4196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:13,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:00:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:00:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 22:00:13,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:13,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:13,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:00:13,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:13,969 INFO L85 PathProgramCache]: Analyzing trace with hash -873617574, now seen corresponding path program 1 times [2024-10-31 22:00:13,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:00:13,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180018188] [2024-10-31 22:00:13,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:13,985 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 22:00:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:00:13,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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 22:00:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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 22:00:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:14,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:00:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:00:14,218 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:00:14,220 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:00:14,222 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:00:14,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:00:14,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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 22:00:14,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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 22:00:14,429 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:00:14,454 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:00:14,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:00:14 BoogieIcfgContainer [2024-10-31 22:00:14,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:00:14,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:00:14,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:00:14,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:00:14,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:13" (3/4) ... [2024-10-31 22:00:14,463 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:00:14,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:00:14,465 INFO L158 Benchmark]: Toolchain (without parser) took 3220.76ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 41.5MB in the end (delta: 735.5kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-10-31 22:00:14,466 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:00:14,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1615.74ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 52.1MB in the end (delta: -10.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-10-31 22:00:14,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.30ms. Allocated memory is still 90.2MB. Free memory was 52.1MB in the beginning and 49.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:00:14,468 INFO L158 Benchmark]: Boogie Preprocessor took 88.45ms. Allocated memory is still 90.2MB. Free memory was 49.1MB in the beginning and 46.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:00:14,469 INFO L158 Benchmark]: RCFGBuilder took 675.76ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 57.9MB in the end (delta: -11.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-10-31 22:00:14,470 INFO L158 Benchmark]: TraceAbstraction took 722.98ms. Allocated memory is still 90.2MB. Free memory was 57.4MB in the beginning and 41.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:00:14,470 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 41.5MB in the end (delta: 224.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:00:14,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1615.74ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 52.1MB in the end (delta: -10.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.30ms. Allocated memory is still 90.2MB. Free memory was 52.1MB in the beginning and 49.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.45ms. Allocated memory is still 90.2MB. Free memory was 49.1MB in the beginning and 46.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.76ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 57.9MB in the end (delta: -11.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * TraceAbstraction took 722.98ms. Allocated memory is still 90.2MB. Free memory was 57.4MB in the beginning and 41.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 41.5MB in the end (delta: 224.6kB). 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 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=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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 22:00:14,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cfaf55-d85b-4076-aa2b-f8f66b6a6e68/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