./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_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_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/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_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/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_98a91a62-9f29-4cad-b02f-79a3b399e536/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 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:43:24,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:43:25,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:43:25,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:43:25,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:43:25,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:43:25,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:43:25,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:43:25,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:43:25,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:43:25,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:43:25,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:43:25,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:43:25,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:43:25,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:43:25,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:43:25,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:43:25,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:43:25,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:43:25,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:43:25,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:43:25,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:43:25,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:43:25,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:43:25,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:43:25,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:43:25,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:43:25,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:43:25,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:43:25,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:43:25,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:43:25,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:25,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:43:25,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:43:25,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:43:25,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:43:25,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:43:25,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:43:25,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:43:25,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:43:25,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:43:25,096 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_98a91a62-9f29-4cad-b02f-79a3b399e536/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 [2024-11-08 18:43:25,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:43:25,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:43:25,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:43:25,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:43:25,449 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:43:25,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i Unable to find full path for "g++" [2024-11-08 18:43:27,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:43:28,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:43:28,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2024-11-08 18:43:28,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data/ce72838e1/06a36723ab244042b5156638db19635d/FLAG3a1737cfe [2024-11-08 18:43:28,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data/ce72838e1/06a36723ab244042b5156638db19635d [2024-11-08 18:43:28,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:43:28,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:43:28,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:43:28,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:43:28,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:43:28,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:43:28" (1/1) ... [2024-11-08 18:43:28,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1777026d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:28, skipping insertion in model container [2024-11-08 18:43:28,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:43:28" (1/1) ... [2024-11-08 18:43:28,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:43:29,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:43:29,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:43:29,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:43:30,079 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:43:30,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30 WrapperNode [2024-11-08 18:43:30,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:43:30,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:43:30,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:43:30,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:43:30,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,171 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2024-11-08 18:43:30,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:43:30,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:43:30,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:43:30,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:43:30,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,217 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:43:30,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:43:30,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:43:30,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:43:30,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:43:30,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (1/1) ... [2024-11-08 18:43:30,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:30,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:30,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:43:30,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:43:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:43:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:43:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:43:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:43:30,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:43:30,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:43:30,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:43:30,707 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 18:43:30,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:43:30,724 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:43:30,724 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:43:30,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:30 BoogieIcfgContainer [2024-11-08 18:43:30,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:43:30,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:43:30,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:43:30,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:43:30,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:43:28" (1/3) ... [2024-11-08 18:43:30,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640e004e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:43:30, skipping insertion in model container [2024-11-08 18:43:30,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:30" (2/3) ... [2024-11-08 18:43:30,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640e004e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:43:30, skipping insertion in model container [2024-11-08 18:43:30,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:30" (3/3) ... [2024-11-08 18:43:30,738 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2024-11-08 18:43:30,759 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:43:30,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:43:30,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:43:30,889 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;@35b454aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:43:30,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:43:30,896 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 18:43:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:43:30,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:30,908 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:30,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:43:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:30,921 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-08 18:43:30,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:43:30,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28898318] [2024-11-08 18:43:30,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:43:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:43:31,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:43:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:43:31,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:43:31,188 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:43:31,190 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:43:31,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:43:31,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:43:31,231 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:43:31,263 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:43:31,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:43:31 BoogieIcfgContainer [2024-11-08 18:43:31,267 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:43:31,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:43:31,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:43:31,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:43:31,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:30" (3/4) ... [2024-11-08 18:43:31,274 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:43:31,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:43:31,277 INFO L158 Benchmark]: Toolchain (without parser) took 2907.78ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 118.1MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:43:31,278 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:43:31,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1707.36ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 85.0MB in the end (delta: 26.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-08 18:43:31,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.85ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 82.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:31,285 INFO L158 Benchmark]: Boogie Preprocessor took 76.73ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 80.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:31,285 INFO L158 Benchmark]: RCFGBuilder took 475.73ms. Allocated memory is still 155.2MB. Free memory was 80.5MB in the beginning and 68.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:43:31,286 INFO L158 Benchmark]: TraceAbstraction took 538.72ms. Allocated memory is still 155.2MB. Free memory was 67.0MB in the beginning and 118.1MB in the end (delta: -51.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:31,287 INFO L158 Benchmark]: Witness Printer took 8.15ms. Allocated memory is still 155.2MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:43:31,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1707.36ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 85.0MB in the end (delta: 26.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.85ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 82.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.73ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 80.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.73ms. Allocated memory is still 155.2MB. Free memory was 80.5MB in the beginning and 68.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 538.72ms. Allocated memory is still 155.2MB. Free memory was 67.0MB in the beginning and 118.1MB in the end (delta: -51.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 8.15ms. Allocated memory is still 155.2MB. Free memory is still 118.1MB. 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_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_predec_65b_badSink; [L1553] data = 0 [L1555] CALL funcPtr(data) [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 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: 0.4s, 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 18:43:31,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/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_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/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_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/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_98a91a62-9f29-4cad-b02f-79a3b399e536/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 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:43:34,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:43:34,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:43:34,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:43:34,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:43:34,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:43:34,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:43:34,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:43:34,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:43:34,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:43:34,548 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:43:34,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:43:34,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:43:34,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:43:34,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:43:34,554 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:43:34,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:43:34,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:43:34,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:43:34,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:43:34,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:43:34,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:43:34,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:43:34,562 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:43:34,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:43:34,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:43:34,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:43:34,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:43:34,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:43:34,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:43:34,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:43:34,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:43:34,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:43:34,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:43:34,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:34,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:43:34,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:43:34,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:43:34,573 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:43:34,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:43:34,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:43:34,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:43:34,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:43:34,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:43:34,576 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_98a91a62-9f29-4cad-b02f-79a3b399e536/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff6d73fd25a59e779213e6557c88adb5d4c384045830dee132d6ebfcbe33df2 [2024-11-08 18:43:35,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:43:35,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:43:35,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:43:35,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:43:35,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:43:35,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i Unable to find full path for "g++" [2024-11-08 18:43:37,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:43:38,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:43:38,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2024-11-08 18:43:38,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data/3c5d4ebd8/9e31ca2104394aeebecc57956e0d0e58/FLAGfae901a02 [2024-11-08 18:43:38,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/data/3c5d4ebd8/9e31ca2104394aeebecc57956e0d0e58 [2024-11-08 18:43:38,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:43:38,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:43:38,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:43:38,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:43:38,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:43:38,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:43:38" (1/1) ... [2024-11-08 18:43:38,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a761ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:38, skipping insertion in model container [2024-11-08 18:43:38,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:43:38" (1/1) ... [2024-11-08 18:43:38,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:43:39,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:43:39,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:43:39,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:43:40,104 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:43:40,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40 WrapperNode [2024-11-08 18:43:40,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:43:40,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:43:40,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:43:40,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:43:40,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,185 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 50 [2024-11-08 18:43:40,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:43:40,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:43:40,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:43:40,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:43:40,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,236 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:43:40,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:43:40,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:43:40,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:43:40,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:43:40,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (1/1) ... [2024-11-08 18:43:40,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:43:40,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:40,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:43:40,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:43:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:43:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:43:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:43:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:43:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:43:40,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:43:40,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:43:40,881 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 18:43:40,882 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:43:40,899 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:43:40,900 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:43:40,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:40 BoogieIcfgContainer [2024-11-08 18:43:40,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:43:40,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:43:40,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:43:40,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:43:40,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:43:38" (1/3) ... [2024-11-08 18:43:40,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d3121f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:43:40, skipping insertion in model container [2024-11-08 18:43:40,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:43:40" (2/3) ... [2024-11-08 18:43:40,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d3121f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:43:40, skipping insertion in model container [2024-11-08 18:43:40,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:40" (3/3) ... [2024-11-08 18:43:40,917 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_65_bad.i [2024-11-08 18:43:40,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:43:40,937 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:43:41,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:43:41,025 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;@6f861e3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:43:41,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:43:41,032 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 18:43:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:43:41,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:43:41,046 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:43:41,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:43:41,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:43:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-08 18:43:41,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:43:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704410228] [2024-11-08 18:43:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:43:41,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:43:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:43:41,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:43:41,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:43:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:43:41,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:43:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:43:41,334 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:43:41,336 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:43:41,338 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:43:41,341 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:43:41,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:43:41,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:43:41,546 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:43:41,569 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:43:41,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:43:41 BoogieIcfgContainer [2024-11-08 18:43:41,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:43:41,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:43:41,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:43:41,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:43:41,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:43:40" (3/4) ... [2024-11-08 18:43:41,578 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:43:41,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:43:41,581 INFO L158 Benchmark]: Toolchain (without parser) took 3231.02ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 37.2MB in the end (delta: 10.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,582 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1751.80ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 36.1MB in the end (delta: 11.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.22ms. Allocated memory is still 75.5MB. Free memory was 36.1MB in the beginning and 33.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,585 INFO L158 Benchmark]: Boogie Preprocessor took 79.30ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 30.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,586 INFO L158 Benchmark]: RCFGBuilder took 629.48ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 53.9MB in the end (delta: -23.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,587 INFO L158 Benchmark]: TraceAbstraction took 668.18ms. Allocated memory is still 92.3MB. Free memory was 53.4MB in the beginning and 37.7MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 18:43:41,588 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 37.2MB in the end (delta: 522.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:43:41,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1751.80ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 36.1MB in the end (delta: 11.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.22ms. Allocated memory is still 75.5MB. Free memory was 36.1MB in the beginning and 33.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.30ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 30.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.48ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 53.9MB in the end (delta: -23.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 668.18ms. Allocated memory is still 92.3MB. Free memory was 53.4MB in the beginning and 37.7MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 37.2MB in the end (delta: 522.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_predec_65b_badSink; [L1553] data = 0 [L1555] CALL funcPtr(data) [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 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 18:43:41,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a91a62-9f29-4cad-b02f-79a3b399e536/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