./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_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_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/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_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/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_e3941765-3cab-45c7-a2de-61b72caa59bf/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 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:45:05,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:45:06,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:45:06,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:45:06,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:45:06,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:45:06,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:45:06,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:45:06,133 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:45:06,135 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:45:06,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:45:06,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:45:06,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:45:06,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:45:06,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:45:06,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:45:06,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:45:06,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:45:06,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:45:06,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:45:06,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:45:06,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:45:06,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:45:06,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:45:06,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:45:06,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:45:06,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:45:06,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:45:06,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:45:06,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:45:06,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:45:06,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:45:06,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:45:06,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:45:06,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:45:06,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:45:06,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:45:06,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:45:06,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:45:06,150 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:45:06,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:45:06,151 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_e3941765-3cab-45c7-a2de-61b72caa59bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 [2024-11-08 16:45:06,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:45:06,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:45:06,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:45:06,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:45:06,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:45:06,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i Unable to find full path for "g++" [2024-11-08 16:45:08,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:45:09,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:45:09,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2024-11-08 16:45:09,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data/3bd080214/d25758bdd7c14ea1a0b052125e6abca0/FLAG8629f367f [2024-11-08 16:45:09,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data/3bd080214/d25758bdd7c14ea1a0b052125e6abca0 [2024-11-08 16:45:09,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:45:09,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:45:09,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:45:09,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:45:09,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:45:09,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:45:09" (1/1) ... [2024-11-08 16:45:09,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e938d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:09, skipping insertion in model container [2024-11-08 16:45:09,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:45:09" (1/1) ... [2024-11-08 16:45:09,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:45:10,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:45:10,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:45:10,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:45:10,796 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:45:10,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10 WrapperNode [2024-11-08 16:45:10,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:45:10,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:45:10,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:45:10,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:45:10,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,878 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-08 16:45:10,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:45:10,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:45:10,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:45:10,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:45:10,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,917 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:45:10,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:45:10,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:45:10,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:45:10,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:45:10,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (1/1) ... [2024-11-08 16:45:10,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:45:10,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:45:11,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:45:11,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:45:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:45:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:45:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:45:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:45:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:45:11,311 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:45:11,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:45:11,489 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 16:45:11,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:45:11,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:45:11,505 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:45:11,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:45:11 BoogieIcfgContainer [2024-11-08 16:45:11,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:45:11,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:45:11,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:45:11,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:45:11,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:45:09" (1/3) ... [2024-11-08 16:45:11,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2460e44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:45:11, skipping insertion in model container [2024-11-08 16:45:11,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:10" (2/3) ... [2024-11-08 16:45:11,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2460e44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:45:11, skipping insertion in model container [2024-11-08 16:45:11,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:45:11" (3/3) ... [2024-11-08 16:45:11,526 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2024-11-08 16:45:11,548 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:45:11,548 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:45:11,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:45:11,630 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;@186d9e4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:45:11,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:45:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 16:45:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:45:11,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:45:11,646 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:45:11,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:45:11,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:45:11,653 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-08 16:45:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:45:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771088803] [2024-11-08 16:45:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:45:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:45:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:45:11,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:45:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:45:11,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:45:11,885 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:45:11,886 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:45:11,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:45:11,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:45:11,894 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:45:11,913 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:45:11,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:45:11 BoogieIcfgContainer [2024-11-08 16:45:11,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:45:11,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:45:11,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:45:11,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:45:11,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:45:11" (3/4) ... [2024-11-08 16:45:11,922 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:45:11,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:45:11,925 INFO L158 Benchmark]: Toolchain (without parser) took 2813.94ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 81.7MB in the beginning and 112.4MB in the end (delta: -30.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-08 16:45:11,926 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:45:11,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1685.07ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 81.5MB in the beginning and 85.5MB in the end (delta: -4.0MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-08 16:45:11,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.66ms. Allocated memory is still 157.3MB. Free memory was 85.5MB in the beginning and 82.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:45:11,929 INFO L158 Benchmark]: Boogie Preprocessor took 72.37ms. Allocated memory is still 157.3MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:45:11,929 INFO L158 Benchmark]: RCFGBuilder took 557.98ms. Allocated memory is still 157.3MB. Free memory was 80.3MB in the beginning and 67.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:45:11,930 INFO L158 Benchmark]: TraceAbstraction took 402.57ms. Allocated memory is still 157.3MB. Free memory was 66.6MB in the beginning and 112.4MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:45:11,931 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 157.3MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:45:11,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1685.07ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 81.5MB in the beginning and 85.5MB in the end (delta: -4.0MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.66ms. Allocated memory is still 157.3MB. Free memory was 85.5MB in the beginning and 82.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.37ms. Allocated memory is still 157.3MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.98ms. Allocated memory is still 157.3MB. Free memory was 80.3MB in the beginning and 67.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 402.57ms. Allocated memory is still 157.3MB. Free memory was 66.6MB in the beginning and 112.4MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 157.3MB. Free memory is still 112.4MB. 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: 1568]: 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 1560. 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] [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_fscanf_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_sub_65b_badSink; [L1553] data = 0 [L1555] CALL funcPtr(data) [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:45:11,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/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 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_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/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_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/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_e3941765-3cab-45c7-a2de-61b72caa59bf/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 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:45:14,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:45:14,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:45:14,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:45:14,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:45:14,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:45:14,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:45:14,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:45:14,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:45:14,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:45:14,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:45:14,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:45:14,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:45:14,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:45:14,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:45:14,926 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:45:14,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:45:14,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:45:14,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:45:14,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:45:14,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:45:14,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:45:14,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:45:14,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:45:14,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:45:14,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:45:14,932 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:45:14,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:45:14,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:45:14,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:45:14,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:45:14,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:45:14,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:45:14,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:45:14,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:45:14,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:45:14,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:45:14,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:45:14,937 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:45:14,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:45:14,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:45:14,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:45:14,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:45:14,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:45:14,941 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_e3941765-3cab-45c7-a2de-61b72caa59bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 [2024-11-08 16:45:15,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:45:15,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:45:15,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:45:15,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:45:15,433 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:45:15,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i Unable to find full path for "g++" [2024-11-08 16:45:17,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:45:18,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:45:18,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2024-11-08 16:45:18,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data/04495ce72/6a7111bafc66411798411bce4ba91751/FLAG955f578f9 [2024-11-08 16:45:18,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/data/04495ce72/6a7111bafc66411798411bce4ba91751 [2024-11-08 16:45:18,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:45:18,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:45:18,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:45:18,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:45:18,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:45:18,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:45:18" (1/1) ... [2024-11-08 16:45:18,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37faeb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:18, skipping insertion in model container [2024-11-08 16:45:18,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:45:18" (1/1) ... [2024-11-08 16:45:18,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:45:19,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:45:19,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:45:19,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:45:19,955 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:45:19,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19 WrapperNode [2024-11-08 16:45:19,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:45:19,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:45:19,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:45:19,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:45:19,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:19,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,029 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2024-11-08 16:45:20,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:45:20,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:45:20,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:45:20,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:45:20,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,072 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:45:20,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:45:20,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:45:20,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:45:20,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:45:20,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (1/1) ... [2024-11-08 16:45:20,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:45:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:45:20,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:45:20,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:45:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:45:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:45:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:45:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:45:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:45:20,405 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:45:20,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:45:20,625 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 16:45:20,625 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:45:20,643 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:45:20,644 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:45:20,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:45:20 BoogieIcfgContainer [2024-11-08 16:45:20,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:45:20,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:45:20,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:45:20,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:45:20,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:45:18" (1/3) ... [2024-11-08 16:45:20,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ef00e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:45:20, skipping insertion in model container [2024-11-08 16:45:20,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:45:19" (2/3) ... [2024-11-08 16:45:20,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ef00e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:45:20, skipping insertion in model container [2024-11-08 16:45:20,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:45:20" (3/3) ... [2024-11-08 16:45:20,656 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2024-11-08 16:45:20,681 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:45:20,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:45:20,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:45:20,796 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;@43897672, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:45:20,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:45:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 16:45:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:45:20,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:45:20,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:45:20,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:45:20,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:45:20,824 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-08 16:45:20,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:45:20,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684255727] [2024-11-08 16:45:20,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:45:20,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:45:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:45:20,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:45:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:45:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:45:21,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:45:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:45:21,120 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:45:21,123 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:45:21,124 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:45:21,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:45:21,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:45:21,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:45:21,336 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:45:21,376 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:45:21,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:45:21 BoogieIcfgContainer [2024-11-08 16:45:21,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:45:21,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:45:21,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:45:21,385 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:45:21,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:45:20" (3/4) ... [2024-11-08 16:45:21,389 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:45:21,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:45:21,392 INFO L158 Benchmark]: Toolchain (without parser) took 3065.79ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 55.2MB in the end (delta: -11.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-11-08 16:45:21,393 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 52.4MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:45:21,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1629.04ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 42.7MB in the end (delta: 511.9kB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 16:45:21,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.82ms. Allocated memory is still 86.0MB. Free memory was 42.7MB in the beginning and 39.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:45:21,396 INFO L158 Benchmark]: Boogie Preprocessor took 59.25ms. Allocated memory is still 86.0MB. Free memory was 39.4MB in the beginning and 36.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:45:21,400 INFO L158 Benchmark]: RCFGBuilder took 552.40ms. Allocated memory is still 86.0MB. Free memory was 36.9MB in the beginning and 47.3MB in the end (delta: -10.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:45:21,401 INFO L158 Benchmark]: TraceAbstraction took 733.88ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 55.7MB in the end (delta: -9.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-08 16:45:21,401 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 86.0MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:45:21,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 52.4MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1629.04ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 42.7MB in the end (delta: 511.9kB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.82ms. Allocated memory is still 86.0MB. Free memory was 42.7MB in the beginning and 39.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.25ms. Allocated memory is still 86.0MB. Free memory was 39.4MB in the beginning and 36.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.40ms. Allocated memory is still 86.0MB. Free memory was 36.9MB in the beginning and 47.3MB in the end (delta: -10.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 733.88ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 55.7MB in the end (delta: -9.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 86.0MB. Free memory is still 55.2MB. 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: 1568]: 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 1560. 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] [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_fscanf_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_sub_65b_badSink; [L1553] data = 0 [L1555] CALL funcPtr(data) [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:45:21,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3941765-3cab-45c7-a2de-61b72caa59bf/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