./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX --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 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:34:12,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:34:12,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:34:12,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:34:12,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:34:12,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:34:12,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:34:12,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:34:12,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:34:12,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:34:12,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:34:12,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:34:12,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:34:12,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:34:12,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:34:12,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:34:12,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:34:12,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:34:12,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:34:12,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:34:12,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:34:12,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:34:12,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:34:12,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:34:12,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:34:12,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:34:12,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:34:12,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:34:12,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:34:12,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:34:12,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:34:12,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:34:12,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:34:12,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:34:12,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:34:12,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:34:12,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:34:12,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:34:12,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:34:12,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:34:12,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:34:12,659 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_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 [2024-11-08 16:34:13,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:34:13,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:34:13,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:34:13,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:34:13,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:34:13,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i Unable to find full path for "g++" [2024-11-08 16:34:14,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:34:15,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:34:15,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2024-11-08 16:34:15,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data/a2846e04b/a178ff9e02d3471191e613df10583989/FLAG5408501a7 [2024-11-08 16:34:15,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data/a2846e04b/a178ff9e02d3471191e613df10583989 [2024-11-08 16:34:15,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:34:15,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:34:15,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:34:15,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:34:15,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:34:15,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:34:15" (1/1) ... [2024-11-08 16:34:15,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f6e15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:15, skipping insertion in model container [2024-11-08 16:34:15,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:34:15" (1/1) ... [2024-11-08 16:34:15,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:34:16,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:34:16,593 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:34:16,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:34:16,857 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:34:16,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16 WrapperNode [2024-11-08 16:34:16,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:34:16,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:34:16,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:34:16,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:34:16,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,931 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 16:34:16,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:34:16,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:34:16,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:34:16,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:34:16,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,969 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:34:16,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:16,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:34:16,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:34:16,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:34:16,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:34:16,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (1/1) ... [2024-11-08 16:34:17,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:34:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:17,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:34:17,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:34:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:34:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:34:17,221 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:34:17,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:34:17,338 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 16:34:17,338 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:34:17,349 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:34:17,349 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:34:17,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:34:17 BoogieIcfgContainer [2024-11-08 16:34:17,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:34:17,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:34:17,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:34:17,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:34:17,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:34:15" (1/3) ... [2024-11-08 16:34:17,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d6dc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:34:17, skipping insertion in model container [2024-11-08 16:34:17,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:16" (2/3) ... [2024-11-08 16:34:17,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d6dc02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:34:17, skipping insertion in model container [2024-11-08 16:34:17,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:34:17" (3/3) ... [2024-11-08 16:34:17,364 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2024-11-08 16:34:17,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:34:17,377 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:34:17,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:34:17,441 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;@27a92ce3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:34:17,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:34:17,445 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) [2024-11-08 16:34:17,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:34:17,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:17,453 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:17,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:34:17,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:17,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-08 16:34:17,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:34:17,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76867963] [2024-11-08 16:34:17,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:17,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:34:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:34:17,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:34:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:34:17,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:34:17,628 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:34:17,629 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:34:17,631 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:34:17,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:34:17,636 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:34:17,654 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:34:17,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:34:17 BoogieIcfgContainer [2024-11-08 16:34:17,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:34:17,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:34:17,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:34:17,659 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:34:17,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:34:17" (3/4) ... [2024-11-08 16:34:17,662 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:34:17,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:34:17,665 INFO L158 Benchmark]: Toolchain (without parser) took 2089.74ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 66.9MB in the end (delta: 46.5MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-08 16:34:17,666 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:34:17,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.41ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 100.5MB in the end (delta: 12.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-08 16:34:17,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.36ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:34:17,669 INFO L158 Benchmark]: Boogie Preprocessor took 59.56ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:34:17,669 INFO L158 Benchmark]: RCFGBuilder took 357.57ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 83.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:34:17,670 INFO L158 Benchmark]: TraceAbstraction took 306.15ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 67.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:34:17,672 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 155.2MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 849.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:34:17,677 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 115.3MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.41ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 100.5MB in the end (delta: 12.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.36ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.56ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.57ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 83.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 306.15ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 67.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 155.2MB. Free memory was 67.8MB in the beginning and 66.9MB in the end (delta: 849.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 [2024-11-08 16:34:17,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/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_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX --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 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:34:20,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:34:20,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:34:20,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:34:20,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:34:20,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:34:20,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:34:20,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:34:20,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:34:20,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:34:20,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:34:20,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:34:20,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:34:20,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:34:20,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:34:20,459 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:34:20,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:34:20,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:34:20,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:34:20,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:34:20,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:34:20,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:34:20,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:34:20,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:34:20,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:34:20,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:34:20,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:34:20,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:34:20,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:34:20,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:34:20,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:34:20,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:34:20,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:34:20,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:34:20,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:34:20,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:34:20,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:34:20,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:34:20,473 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:34:20,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:34:20,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:34:20,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:34:20,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:34:20,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:34:20,478 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_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 [2024-11-08 16:34:21,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:34:21,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:34:21,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:34:21,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:34:21,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:34:21,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i Unable to find full path for "g++" [2024-11-08 16:34:23,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:34:23,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:34:23,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2024-11-08 16:34:23,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data/2f7d4babe/7364d6d1956442fbbffaf77591ec04d4/FLAG0eea82e49 [2024-11-08 16:34:24,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/data/2f7d4babe/7364d6d1956442fbbffaf77591ec04d4 [2024-11-08 16:34:24,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:34:24,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:34:24,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:34:24,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:34:24,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:34:24,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:34:24" (1/1) ... [2024-11-08 16:34:24,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a0c30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:24, skipping insertion in model container [2024-11-08 16:34:24,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:34:24" (1/1) ... [2024-11-08 16:34:24,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:34:25,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:34:25,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:34:25,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:34:25,610 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:34:25,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25 WrapperNode [2024-11-08 16:34:25,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:34:25,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:34:25,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:34:25,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:34:25,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,687 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-08 16:34:25,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:34:25,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:34:25,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:34:25,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:34:25,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,727 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:34:25,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:34:25,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:34:25,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:34:25,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:34:25,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (1/1) ... [2024-11-08 16:34:25,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:34:25,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:25,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:34:25,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:34:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:34:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:34:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:34:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:34:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:34:25,980 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:34:25,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:34:26,138 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 16:34:26,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:34:26,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:34:26,155 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:34:26,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:34:26 BoogieIcfgContainer [2024-11-08 16:34:26,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:34:26,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:34:26,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:34:26,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:34:26,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:34:24" (1/3) ... [2024-11-08 16:34:26,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fec74d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:34:26, skipping insertion in model container [2024-11-08 16:34:26,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:34:25" (2/3) ... [2024-11-08 16:34:26,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fec74d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:34:26, skipping insertion in model container [2024-11-08 16:34:26,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:34:26" (3/3) ... [2024-11-08 16:34:26,167 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2024-11-08 16:34:26,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:34:26,185 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:34:26,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:34:26,260 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;@cc7982d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:34:26,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:34:26,264 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) [2024-11-08 16:34:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 16:34:26,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:26,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:26,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:34:26,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:26,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-08 16:34:26,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:26,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737410320] [2024-11-08 16:34:26,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:26,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:26,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:34:26,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:34:26,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:34:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:34:26,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:34:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:34:26,466 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:34:26,468 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:34:26,469 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:34:26,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:34:26,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:26,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:34:26,679 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:34:26,703 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:34:26,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:34:26 BoogieIcfgContainer [2024-11-08 16:34:26,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:34:26,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:34:26,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:34:26,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:34:26,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:34:26" (3/4) ... [2024-11-08 16:34:26,710 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:34:26,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:34:26,713 INFO L158 Benchmark]: Toolchain (without parser) took 2692.10ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.4MB in the beginning and 54.5MB in the end (delta: -8.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-08 16:34:26,713 INFO L158 Benchmark]: CDTParser took 2.28ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:34:26,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.00ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 63.7MB in the end (delta: -17.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-08 16:34:26,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.75ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:34:26,715 INFO L158 Benchmark]: Boogie Preprocessor took 64.50ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 58.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:34:26,716 INFO L158 Benchmark]: RCFGBuilder took 397.09ms. Allocated memory is still 96.5MB. Free memory was 58.4MB in the beginning and 45.3MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:34:26,716 INFO L158 Benchmark]: TraceAbstraction took 549.20ms. Allocated memory is still 96.5MB. Free memory was 44.4MB in the beginning and 55.1MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:34:26,717 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 96.5MB. Free memory was 55.1MB in the beginning and 54.5MB in the end (delta: 539.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:34:26,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.28ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.00ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 63.7MB in the end (delta: -17.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.75ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.50ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 58.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.09ms. Allocated memory is still 96.5MB. Free memory was 58.4MB in the beginning and 45.3MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 549.20ms. Allocated memory is still 96.5MB. Free memory was 44.4MB in the beginning and 55.1MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 96.5MB. Free memory was 55.1MB in the beginning and 54.5MB in the end (delta: 539.4kB). 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_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 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, 21 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=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 [2024-11-08 16:34:26,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6395dca-09ee-4d8f-a072-9ef44837a499/bin/uautomizer-verify-jihMAELWvX/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