./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_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_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:47:36,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:47:36,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 04:47:36,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:47:36,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:47:36,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:47:36,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:47:36,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:47:36,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:47:36,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:47:36,155 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:47:36,156 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:47:36,156 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:47:36,157 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:47:36,157 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:47:36,157 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:47:36,158 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:47:36,158 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:47:36,160 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:47:36,161 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:47:36,162 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:47:36,162 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:47:36,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:47:36,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:47:36,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:47:36,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:47:36,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:47:36,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:47:36,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:47:36,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:47:36,165 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:47:36,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:47:36,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:47:36,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:47:36,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:47:36,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:47:36,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:47:36,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:47:36,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:47:36,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:47:36,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:47:36,168 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:47:36,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:47:36,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:47:36,169 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:47:36,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:47:36,169 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2024-11-09 04:47:36,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:47:36,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:47:36,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:47:36,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:47:36,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:47:36,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i Unable to find full path for "g++" [2024-11-09 04:47:38,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:47:38,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:47:38,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2024-11-09 04:47:39,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data/bfa17b963/1d422f1656a7428696fdbd65e62e8362/FLAGf8c0347a9 [2024-11-09 04:47:39,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data/bfa17b963/1d422f1656a7428696fdbd65e62e8362 [2024-11-09 04:47:39,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:47:39,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:47:39,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:47:39,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:47:39,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:47:39,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:47:39" (1/1) ... [2024-11-09 04:47:39,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b215f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:39, skipping insertion in model container [2024-11-09 04:47:39,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:47:39" (1/1) ... [2024-11-09 04:47:39,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:47:40,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:47:40,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:47:40,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:47:40,594 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:47:40,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40 WrapperNode [2024-11-09 04:47:40,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:47:40,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:47:40,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:47:40,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:47:40,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,654 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2024-11-09 04:47:40,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:47:40,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:47:40,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:47:40,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:47:40,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:47:40,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:47:40,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:47:40,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:47:40,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (1/1) ... [2024-11-09 04:47:40,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:47:40,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:47:40,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:47:40,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:47:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 04:47:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 04:47:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:47:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:47:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:47:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:47:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:47:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:47:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:47:40,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:47:40,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:47:41,162 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 04:47:41,162 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:47:41,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:47:41,244 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:47:41,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:47:41 BoogieIcfgContainer [2024-11-09 04:47:41,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:47:41,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:47:41,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:47:41,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:47:41,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:47:39" (1/3) ... [2024-11-09 04:47:41,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6037ed58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:47:41, skipping insertion in model container [2024-11-09 04:47:41,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:40" (2/3) ... [2024-11-09 04:47:41,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6037ed58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:47:41, skipping insertion in model container [2024-11-09 04:47:41,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:47:41" (3/3) ... [2024-11-09 04:47:41,256 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2024-11-09 04:47:41,294 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:47:41,294 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 04:47:41,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:47:41,378 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=FINITE_AUTOMATA, 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;@76ea2de4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:47:41,378 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 04:47:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2024-11-09 04:47:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 04:47:41,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:47:41,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 04:47:41,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 04:47:41,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:47:41,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1859344146, now seen corresponding path program 1 times [2024-11-09 04:47:41,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:47:41,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557763941] [2024-11-09 04:47:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:47:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:47:41,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:47:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:47:41,685 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:47:41,689 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:47:41,693 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 04:47:41,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 04:47:41,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:47:41,700 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:47:41,718 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:47:41,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:47:41 BoogieIcfgContainer [2024-11-09 04:47:41,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:47:41,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:47:41,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:47:41,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:47:41,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:47:41" (3/4) ... [2024-11-09 04:47:41,725 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:47:41,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:47:41,727 INFO L158 Benchmark]: Toolchain (without parser) took 2674.37ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 100.7MB in the beginning and 125.2MB in the end (delta: -24.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-09 04:47:41,727 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:47:41,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.92ms. Allocated memory is still 136.3MB. Free memory was 100.7MB in the beginning and 73.4MB in the end (delta: 27.4MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-09 04:47:41,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.77ms. Allocated memory is still 136.3MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:47:41,729 INFO L158 Benchmark]: Boogie Preprocessor took 39.92ms. Allocated memory is still 136.3MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:47:41,730 INFO L158 Benchmark]: RCFGBuilder took 548.63ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 98.1MB in the end (delta: -29.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 04:47:41,730 INFO L158 Benchmark]: TraceAbstraction took 474.74ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 97.4MB in the beginning and 125.2MB in the end (delta: -27.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-09 04:47:41,731 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 178.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:47:41,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.92ms. Allocated memory is still 136.3MB. Free memory was 100.7MB in the beginning and 73.4MB in the end (delta: 27.4MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.77ms. Allocated memory is still 136.3MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.92ms. Allocated memory is still 136.3MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 548.63ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 98.1MB in the end (delta: -29.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 474.74ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 97.4MB in the beginning and 125.2MB in the end (delta: -27.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 178.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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, 12 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=12occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 [2024-11-09 04:47:41,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:47:44,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:47:44,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 04:47:44,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:47:44,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:47:44,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:47:44,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:47:44,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:47:44,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:47:44,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:47:44,389 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:47:44,389 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:47:44,390 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:47:44,390 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:47:44,390 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:47:44,390 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:47:44,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:47:44,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:47:44,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:47:44,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:47:44,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:47:44,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:47:44,395 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:47:44,396 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:47:44,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:47:44,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:47:44,396 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:47:44,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:47:44,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:47:44,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:47:44,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:47:44,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:47:44,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:47:44,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:47:44,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:47:44,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:47:44,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:47:44,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:47:44,400 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:47:44,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:47:44,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:47:44,402 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:47:44,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2024-11-09 04:47:44,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:47:44,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:47:44,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:47:44,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:47:44,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:47:44,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i Unable to find full path for "g++" [2024-11-09 04:47:46,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:47:47,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:47:47,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2024-11-09 04:47:47,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data/8a0646712/fd5efd82d92a4da29181d54a98c9b736/FLAG425528500 [2024-11-09 04:47:47,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/data/8a0646712/fd5efd82d92a4da29181d54a98c9b736 [2024-11-09 04:47:47,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:47:47,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:47:47,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:47:47,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:47:47,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:47:47,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:47:47" (1/1) ... [2024-11-09 04:47:47,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36dbbfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:47, skipping insertion in model container [2024-11-09 04:47:47,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:47:47" (1/1) ... [2024-11-09 04:47:47,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:47:48,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:47:48,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:47:48,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:47:48,937 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:47:48,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48 WrapperNode [2024-11-09 04:47:48,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:47:48,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:47:48,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:47:48,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:47:48,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:48,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,018 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-11-09 04:47:49,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:47:49,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:47:49,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:47:49,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:47:49,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:47:49,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:47:49,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:47:49,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:47:49,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (1/1) ... [2024-11-09 04:47:49,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:47:49,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:47:49,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:47:49,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:47:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 04:47:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 04:47:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:47:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:47:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:47:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:47:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 04:47:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:47:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 04:47:49,376 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:47:49,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:47:49,608 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 04:47:49,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:47:49,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:47:49,625 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:47:49,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:47:49 BoogieIcfgContainer [2024-11-09 04:47:49,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:47:49,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:47:49,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:47:49,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:47:49,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:47:47" (1/3) ... [2024-11-09 04:47:49,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4450a016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:47:49, skipping insertion in model container [2024-11-09 04:47:49,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:47:48" (2/3) ... [2024-11-09 04:47:49,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4450a016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:47:49, skipping insertion in model container [2024-11-09 04:47:49,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:47:49" (3/3) ... [2024-11-09 04:47:49,635 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2024-11-09 04:47:49,655 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:47:49,656 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 04:47:49,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:47:49,741 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=FINITE_AUTOMATA, 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;@4fe11a78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:47:49,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 04:47:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-11-09 04:47:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 04:47:49,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:47:49,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:47:49,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 04:47:49,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:47:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-09 04:47:49,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:47:49,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843980813] [2024-11-09 04:47:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:49,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:47:49,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:47:49,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:47:49,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:47:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:47:49,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:47:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:47:50,059 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 04:47:50,061 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:47:50,063 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 04:47:50,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 04:47:50,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:47:50,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:47:50,275 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:47:50,305 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:47:50,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:47:50 BoogieIcfgContainer [2024-11-09 04:47:50,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:47:50,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:47:50,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:47:50,312 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:47:50,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:47:49" (3/4) ... [2024-11-09 04:47:50,315 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:47:50,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:47:50,318 INFO L158 Benchmark]: Toolchain (without parser) took 2982.23ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.6MB in the beginning and 52.6MB in the end (delta: -6.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-09 04:47:50,319 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:47:50,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.14ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.4MB in the beginning and 60.4MB in the end (delta: -14.1MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-09 04:47:50,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.15ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 57.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:47:50,323 INFO L158 Benchmark]: Boogie Preprocessor took 49.75ms. Allocated memory is still 109.1MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:47:50,324 INFO L158 Benchmark]: RCFGBuilder took 554.16ms. Allocated memory is still 109.1MB. Free memory was 55.2MB in the beginning and 72.7MB in the end (delta: -17.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-09 04:47:50,325 INFO L158 Benchmark]: TraceAbstraction took 682.43ms. Allocated memory is still 109.1MB. Free memory was 72.1MB in the beginning and 53.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 04:47:50,326 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 109.1MB. Free memory was 53.2MB in the beginning and 52.6MB in the end (delta: 606.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:47:50,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.14ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.4MB in the beginning and 60.4MB in the end (delta: -14.1MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.15ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 57.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.75ms. Allocated memory is still 109.1MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.16ms. Allocated memory is still 109.1MB. Free memory was 55.2MB in the beginning and 72.7MB in the end (delta: -17.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 682.43ms. Allocated memory is still 109.1MB. Free memory was 72.1MB in the beginning and 53.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 109.1MB. Free memory was 53.2MB in the beginning and 52.6MB in the end (delta: 606.0kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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: 0.6s, 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=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 [2024-11-09 04:47:50,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d245729a-216d-4d15-8bfb-0a1122fd55a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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