./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_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_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/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_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/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_b1806636-474e-494c-a2cd-8ee9509acadb/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 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:27:09,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:27:10,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:27:10,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:27:10,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:27:10,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:27:10,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:27:10,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:27:10,073 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:27:10,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:27:10,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:27:10,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:27:10,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:27:10,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:27:10,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:27:10,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:27:10,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:27:10,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:27:10,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:27:10,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:27:10,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:27:10,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:27:10,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:27:10,089 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:27:10,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:27:10,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:27:10,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:27:10,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:27:10,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:27:10,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:27:10,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:27:10,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:10,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:27:10,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:27:10,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:27:10,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:27:10,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:27:10,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:27:10,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:27:10,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:27:10,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:27:10,097 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_b1806636-474e-494c-a2cd-8ee9509acadb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d [2024-11-08 17:27:10,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:27:10,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:27:10,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:27:10,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:27:10,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:27:10,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i Unable to find full path for "g++" [2024-11-08 17:27:12,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:27:13,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:27:13,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-08 17:27:13,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data/b8e64b98c/c17856ac2bde494783d2ac7a1f31db3c/FLAG891f9f02b [2024-11-08 17:27:13,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data/b8e64b98c/c17856ac2bde494783d2ac7a1f31db3c [2024-11-08 17:27:13,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:27:13,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:27:13,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:13,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:27:13,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:27:13,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:13" (1/1) ... [2024-11-08 17:27:13,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b17bf46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:13, skipping insertion in model container [2024-11-08 17:27:13,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:13" (1/1) ... [2024-11-08 17:27:13,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:27:14,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:14,922 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:27:15,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:15,350 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:27:15,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15 WrapperNode [2024-11-08 17:27:15,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:15,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:15,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:27:15,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:27:15,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,431 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 17:27:15,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:15,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:27:15,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:27:15,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:27:15,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,464 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:27:15,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:27:15,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:27:15,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:27:15,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:27:15,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (1/1) ... [2024-11-08 17:27:15,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:15,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:27:15,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:27:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:27:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:27:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:27:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:27:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:27:15,771 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:27:15,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:15,897 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 17:27:15,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:15,914 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:15,915 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:27:15,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:15 BoogieIcfgContainer [2024-11-08 17:27:15,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:15,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:27:15,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:27:15,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:27:15,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:27:13" (1/3) ... [2024-11-08 17:27:15,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3333fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:15, skipping insertion in model container [2024-11-08 17:27:15,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:15" (2/3) ... [2024-11-08 17:27:15,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3333fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:15, skipping insertion in model container [2024-11-08 17:27:15,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:15" (3/3) ... [2024-11-08 17:27:15,926 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-08 17:27:15,945 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:27:15,945 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:27:16,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:27:16,058 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;@43ad9660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:27:16,059 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:27:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 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 17:27:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:27:16,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:16,075 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:16,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:27:16,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:16,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1558638482, now seen corresponding path program 1 times [2024-11-08 17:27:16,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:16,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792796158] [2024-11-08 17:27:16,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:16,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:16,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:27:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:16,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:16,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792796158] [2024-11-08 17:27:16,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792796158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:16,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:16,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:16,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887759011] [2024-11-08 17:27:16,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:16,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:27:16,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:16,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:27:16,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:16,507 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:27:16,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:16,524 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-08 17:27:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:27:16,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-08 17:27:16,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:16,535 INFO L225 Difference]: With dead ends: 35 [2024-11-08 17:27:16,536 INFO L226 Difference]: Without dead ends: 13 [2024-11-08 17:27:16,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:16,545 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:16,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:27:16,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-08 17:27:16,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-08 17:27:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:27:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-08 17:27:16,622 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2024-11-08 17:27:16,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:16,622 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-08 17:27:16,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:27:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-08 17:27:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:27:16,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:16,625 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:16,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:27:16,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:27:16,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:16,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1558638544, now seen corresponding path program 1 times [2024-11-08 17:27:16,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:16,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740066375] [2024-11-08 17:27:16,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:16,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:16,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:16,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:16,766 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:27:16,768 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:27:16,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:27:16,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:27:16,782 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:27:16,813 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:27:16,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:27:16 BoogieIcfgContainer [2024-11-08 17:27:16,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:27:16,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:27:16,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:27:16,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:27:16,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:15" (3/4) ... [2024-11-08 17:27:16,827 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:27:16,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:27:16,830 INFO L158 Benchmark]: Toolchain (without parser) took 3334.05ms. Allocated memory is still 146.8MB. Free memory was 113.1MB in the beginning and 106.3MB in the end (delta: 6.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-08 17:27:16,830 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:16,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1853.99ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 94.9MB in the end (delta: 17.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-08 17:27:16,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.55ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 91.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:16,834 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:16,836 INFO L158 Benchmark]: RCFGBuilder took 436.25ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 78.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 17:27:16,837 INFO L158 Benchmark]: TraceAbstraction took 902.77ms. Allocated memory is still 146.8MB. Free memory was 77.5MB in the beginning and 106.7MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:16,838 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 106.3MB in the end (delta: 394.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:16,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1853.99ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 94.9MB in the end (delta: 17.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.55ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 91.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.25ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 78.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 902.77ms. Allocated memory is still 146.8MB. Free memory was 77.5MB in the beginning and 106.7MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 146.8MB. Free memory was 106.7MB in the beginning and 106.3MB in the end (delta: 394.8kB). 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: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17:27:16,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/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_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/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_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/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_b1806636-474e-494c-a2cd-8ee9509acadb/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 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:27:19,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:27:20,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:27:20,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:27:20,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:27:20,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:27:20,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:27:20,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:27:20,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:27:20,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:27:20,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:27:20,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:27:20,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:27:20,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:27:20,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:27:20,117 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:27:20,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:27:20,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:27:20,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:27:20,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:27:20,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:27:20,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:27:20,124 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:27:20,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:27:20,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:27:20,125 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:27:20,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:27:20,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:27:20,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:27:20,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:27:20,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:27:20,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:27:20,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:27:20,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:27:20,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:20,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:27:20,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:27:20,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:27:20,133 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:27:20,133 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:27:20,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:27:20,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:27:20,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:27:20,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:27:20,135 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_b1806636-474e-494c-a2cd-8ee9509acadb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0f93bf9b138786b97e456275bccb441fcaf0c0135ea273562dbb5065ee9c2d [2024-11-08 17:27:20,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:27:20,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:27:20,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:27:20,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:27:20,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:27:20,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i Unable to find full path for "g++" [2024-11-08 17:27:23,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:27:23,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:27:23,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-08 17:27:23,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data/3b6456538/23aea2a57d5c4e8db3b2d9a726cf60cb/FLAG985237a3c [2024-11-08 17:27:23,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/data/3b6456538/23aea2a57d5c4e8db3b2d9a726cf60cb [2024-11-08 17:27:23,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:27:23,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:27:23,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:23,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:27:23,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:27:23,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:23" (1/1) ... [2024-11-08 17:27:23,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8a6094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:23, skipping insertion in model container [2024-11-08 17:27:23,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:23" (1/1) ... [2024-11-08 17:27:23,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:27:25,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:25,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:27:25,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:25,884 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:27:25,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25 WrapperNode [2024-11-08 17:27:25,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:25,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:25,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:27:25,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:27:25,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:25,983 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 17:27:25,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:25,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:27:25,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:27:25,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:27:26,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,024 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:27:26,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:27:26,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:27:26,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:27:26,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:27:26,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (1/1) ... [2024-11-08 17:27:26,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:26,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:27:26,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:27:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:27:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:27:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:27:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:27:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:27:26,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:27:26,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:26,596 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 17:27:26,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:26,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:26,617 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:27:26,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:26 BoogieIcfgContainer [2024-11-08 17:27:26,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:26,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:27:26,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:27:26,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:27:26,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:27:23" (1/3) ... [2024-11-08 17:27:26,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac4c566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:26, skipping insertion in model container [2024-11-08 17:27:26,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:25" (2/3) ... [2024-11-08 17:27:26,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac4c566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:26, skipping insertion in model container [2024-11-08 17:27:26,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:26" (3/3) ... [2024-11-08 17:27:26,633 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_03_bad.i [2024-11-08 17:27:26,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:27:26,658 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:27:26,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:27:26,792 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;@72394d78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:27:26,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:27:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 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 17:27:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:27:26,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:26,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:26,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:27:26,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1558638482, now seen corresponding path program 1 times [2024-11-08 17:27:26,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:26,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831503765] [2024-11-08 17:27:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:27:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:26,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:27:26,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:27:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:27,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:27:27,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:27,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:27:27,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:27:27,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831503765] [2024-11-08 17:27:27,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831503765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:27,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:27,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:27,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955691164] [2024-11-08 17:27:27,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:27,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:27:27,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:27:27,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:27:27,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:27,128 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:27:27,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:27,154 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2024-11-08 17:27:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:27:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-08 17:27:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:27,167 INFO L225 Difference]: With dead ends: 34 [2024-11-08 17:27:27,167 INFO L226 Difference]: Without dead ends: 11 [2024-11-08 17:27:27,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:27,179 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:27,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:27:27,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-08 17:27:27,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-08 17:27:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:27:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 17:27:27,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 10 [2024-11-08 17:27:27,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:27,229 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-08 17:27:27,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:27:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 17:27:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:27:27,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:27,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:27,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:27:27,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:27:27,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:27:27,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:27,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1558638544, now seen corresponding path program 1 times [2024-11-08 17:27:27,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:27,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624294466] [2024-11-08 17:27:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:27,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:27:27,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:27,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:27:27,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:27:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:27,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:27,633 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:27:27,634 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:27:27,637 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:27:27,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:27:27,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:27:27,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:27:27,849 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:27:27,875 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:27:27,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:27:27 BoogieIcfgContainer [2024-11-08 17:27:27,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:27:27,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:27:27,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:27:27,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:27:27,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:26" (3/4) ... [2024-11-08 17:27:27,884 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:27:27,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:27:27,887 INFO L158 Benchmark]: Toolchain (without parser) took 4027.27ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 47.4MB in the beginning and 67.4MB in the end (delta: -19.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:27,887 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 90.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:27,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2022.22ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 47.2MB in the beginning and 80.8MB in the end (delta: -33.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 17:27:27,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.50ms. Allocated memory is still 121.6MB. Free memory was 80.3MB in the beginning and 77.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:27,889 INFO L158 Benchmark]: Boogie Preprocessor took 71.85ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 75.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:27:27,890 INFO L158 Benchmark]: RCFGBuilder took 560.04ms. Allocated memory is still 121.6MB. Free memory was 75.1MB in the beginning and 62.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:27:27,890 INFO L158 Benchmark]: TraceAbstraction took 1258.10ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 68.1MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:27,891 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 67.4MB in the end (delta: 727.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:27,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 90.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2022.22ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 47.2MB in the beginning and 80.8MB in the end (delta: -33.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.50ms. Allocated memory is still 121.6MB. Free memory was 80.3MB in the beginning and 77.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.85ms. Allocated memory is still 121.6MB. Free memory was 77.8MB in the beginning and 75.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 560.04ms. Allocated memory is still 121.6MB. Free memory was 75.1MB in the beginning and 62.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1258.10ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 68.1MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 67.4MB in the end (delta: 727.4kB). 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: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17:27:27,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1806636-474e-494c-a2cd-8ee9509acadb/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample