./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_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_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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_a828c870-e7bc-4000-a655-bc5e20c913e2/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 48e32ee8fc89be66954b305b1db7317243c32f939ac2606c4458dd1a555a7bc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:59,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:59,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:17:59,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:59,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:59,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:59,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:59,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:59,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:59,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:59,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:59,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:59,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:59,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:59,302 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:59,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:59,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:59,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:59,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:59,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:59,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:59,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:59,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:59,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:17:59,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:59,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:59,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:59,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:59,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:59,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:59,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:59,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:59,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:59,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:59,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:59,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:59,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:59,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:59,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:59,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:59,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:59,320 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_a828c870-e7bc-4000-a655-bc5e20c913e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e32ee8fc89be66954b305b1db7317243c32f939ac2606c4458dd1a555a7bc6 [2024-10-31 22:17:59,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:59,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:59,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:59,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:59,711 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:59,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i Unable to find full path for "g++" [2024-10-31 22:18:02,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:02,503 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:02,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i [2024-10-31 22:18:02,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data/ebe1c50db/e791ec3b16c14135b11cb7d8b275a58c/FLAGd16b512e6 [2024-10-31 22:18:02,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data/ebe1c50db/e791ec3b16c14135b11cb7d8b275a58c [2024-10-31 22:18:02,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:02,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:02,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:02,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:02,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:02,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:02" (1/1) ... [2024-10-31 22:18:02,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27815bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:02, skipping insertion in model container [2024-10-31 22:18:02,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:02" (1/1) ... [2024-10-31 22:18:02,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:03,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:03,858 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:04,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:04,167 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:04,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04 WrapperNode [2024-10-31 22:18:04,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:04,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:04,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:04,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:04,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,256 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-10-31 22:18:04,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:04,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:04,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:04,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:04,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,284 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:18:04,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:04,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:04,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:04,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:04,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (1/1) ... [2024-10-31 22:18:04,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:04,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:04,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:04,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:18:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:18:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:04,513 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:04,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:04,618 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:04,619 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:04,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:04,632 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:18:04,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04 BoogieIcfgContainer [2024-10-31 22:18:04,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:04,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:04,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:04,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:04,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:02" (1/3) ... [2024-10-31 22:18:04,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3727636d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:04" (2/3) ... [2024-10-31 22:18:04,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3727636d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:04, skipping insertion in model container [2024-10-31 22:18:04,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/3) ... [2024-10-31 22:18:04,642 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i [2024-10-31 22:18:04,662 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:04,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:18:04,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:04,730 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;@24534970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:04,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:18:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:18:04,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 22:18:04,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:04,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:04,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:18:04,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:04,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-10-31 22:18:04,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:04,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785760855] [2024-10-31 22:18:04,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:04,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:04,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:04,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:04,997 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:18:04,999 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:18:05,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:18:05,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:05,007 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:18:05,041 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:18:05,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:18:05 BoogieIcfgContainer [2024-10-31 22:18:05,046 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:18:05,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:18:05,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:18:05,049 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:18:05,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:04" (3/4) ... [2024-10-31 22:18:05,052 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:18:05,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:18:05,055 INFO L158 Benchmark]: Toolchain (without parser) took 2482.95ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 111.8MB in the end (delta: 23.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-10-31 22:18:05,055 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 176.2MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:05,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1594.31ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 70.2MB in the end (delta: 65.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-31 22:18:05,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.39ms. Allocated memory is still 176.2MB. Free memory was 70.2MB in the beginning and 143.0MB in the end (delta: -72.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-10-31 22:18:05,059 INFO L158 Benchmark]: Boogie Preprocessor took 54.86ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 141.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:05,060 INFO L158 Benchmark]: RCFGBuilder took 319.55ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 128.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:05,061 INFO L158 Benchmark]: TraceAbstraction took 411.73ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 111.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:18:05,063 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 176.2MB. Free memory was 111.8MB in the beginning and 111.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:05,068 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 176.2MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1594.31ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 70.2MB in the end (delta: 65.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.39ms. Allocated memory is still 176.2MB. Free memory was 70.2MB in the beginning and 143.0MB in the end (delta: -72.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.86ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 141.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.55ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 128.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 411.73ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 111.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 176.2MB. Free memory was 111.8MB in the beginning and 111.8MB in the end (delta: 2.7kB). 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=1, 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: 1572]: 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, 21 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=21occurred 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 22:18:05,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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_a828c870-e7bc-4000-a655-bc5e20c913e2/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 48e32ee8fc89be66954b305b1db7317243c32f939ac2606c4458dd1a555a7bc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:07,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:08,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:18:08,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:08,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:08,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:18:08,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:08,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:08,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:08,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:08,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:08,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:08,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:08,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:08,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:08,135 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:08,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:08,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:08,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:08,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:08,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:08,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:08,141 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:18:08,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:18:08,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:08,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:18:08,143 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:18:08,143 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:08,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:08,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:08,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:08,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:08,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:18:08,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:08,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:08,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:08,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:08,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:08,147 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:18:08,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:18:08,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:08,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:08,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:08,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:08,160 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:18:08,160 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_a828c870-e7bc-4000-a655-bc5e20c913e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e32ee8fc89be66954b305b1db7317243c32f939ac2606c4458dd1a555a7bc6 [2024-10-31 22:18:08,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:08,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:08,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:08,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:08,761 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:08,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i Unable to find full path for "g++" [2024-10-31 22:18:11,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:11,590 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:11,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i [2024-10-31 22:18:11,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data/d7c332d15/9e5117e061814641ae56f4d2977eb03d/FLAGec7d82120 [2024-10-31 22:18:11,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/data/d7c332d15/9e5117e061814641ae56f4d2977eb03d [2024-10-31 22:18:11,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:11,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:11,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:11,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:11,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:11,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:11" (1/1) ... [2024-10-31 22:18:11,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4f34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:11, skipping insertion in model container [2024-10-31 22:18:11,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:11" (1/1) ... [2024-10-31 22:18:11,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:13,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:13,047 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:13,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:13,466 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:13,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13 WrapperNode [2024-10-31 22:18:13,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:13,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:13,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:13,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:13,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,582 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-10-31 22:18:13,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:13,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:13,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:13,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:13,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,624 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:18:13,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:13,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:13,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:13,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:13,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (1/1) ... [2024-10-31 22:18:13,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:13,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:13,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:13,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:18:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:18:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:13,933 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:13,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:14,118 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:14,118 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:14,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:14,134 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:18:14,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:14 BoogieIcfgContainer [2024-10-31 22:18:14,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:14,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:14,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:14,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:14,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:11" (1/3) ... [2024-10-31 22:18:14,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8fb3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:14, skipping insertion in model container [2024-10-31 22:18:14,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:13" (2/3) ... [2024-10-31 22:18:14,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8fb3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:14, skipping insertion in model container [2024-10-31 22:18:14,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:14" (3/3) ... [2024-10-31 22:18:14,154 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i [2024-10-31 22:18:14,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:14,177 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:18:14,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:14,301 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;@62ceb53f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:14,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:18:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:18:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 22:18:14,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:14,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:14,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:18:14,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:14,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-10-31 22:18:14,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:18:14,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136904507] [2024-10-31 22:18:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:14,345 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 22:18:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:18:14,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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 22:18:14,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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 22:18:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:14,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:14,640 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:18:14,643 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:18:14,644 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:18:14,647 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:18:14,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:14,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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 22:18:14,856 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:18:14,884 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:18:14,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:18:14 BoogieIcfgContainer [2024-10-31 22:18:14,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:18:14,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:18:14,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:18:14,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:18:14,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:14" (3/4) ... [2024-10-31 22:18:14,892 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:18:14,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:18:14,895 INFO L158 Benchmark]: Toolchain (without parser) took 3193.46ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.4MB in the beginning and 49.5MB in the end (delta: -2.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:14,896 INFO L158 Benchmark]: CDTParser took 3.62ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:14,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1765.16ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 59.7MB in the end (delta: -12.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:14,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.66ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 56.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:18:14,899 INFO L158 Benchmark]: Boogie Preprocessor took 59.93ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:14,899 INFO L158 Benchmark]: RCFGBuilder took 491.02ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 40.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:18:14,900 INFO L158 Benchmark]: TraceAbstraction took 746.37ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 50.1MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:14,901 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:14,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.62ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1765.16ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 59.7MB in the end (delta: -12.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.66ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 56.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.93ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.02ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 40.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 746.37ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 50.1MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 2.7kB). 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=1, 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: 1572]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 22:18:14,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a828c870-e7bc-4000-a655-bc5e20c913e2/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