./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_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_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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_be3c0718-de35-4d00-b9c0-72b270b697ac/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 9c7955263c70e5a0ab7515d72345c4a395fb496a8bfbf1f4175b53cba762362f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:09:41,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:09:41,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 01:09:41,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:09:41,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:09:41,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:09:41,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:09:41,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:09:41,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:09:41,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:09:41,340 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:09:41,340 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:09:41,341 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:09:41,342 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:09:41,345 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:09:41,346 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:09:41,346 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:09:41,346 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:09:41,347 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:09:41,347 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:09:41,348 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:09:41,353 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:09:41,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:09:41,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:09:41,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:09:41,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:09:41,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:09:41,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:09:41,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:09:41,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:09:41,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:09:41,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:09:41,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:09:41,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:09:41,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:09:41,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:09:41,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:09:41,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:09:41,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:09:41,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:09:41,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:09:41,362 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:09:41,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:09:41,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:09:41,363 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:09:41,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:09:41,364 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_be3c0718-de35-4d00-b9c0-72b270b697ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c7955263c70e5a0ab7515d72345c4a395fb496a8bfbf1f4175b53cba762362f [2024-11-09 01:09:41,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:09:41,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:09:41,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:09:41,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:09:41,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:09:41,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i Unable to find full path for "g++" [2024-11-09 01:09:43,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:09:44,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:09:44,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i [2024-11-09 01:09:44,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data/0cf9f4e36/3e4f86348baa41639e890633a4c9f518/FLAG4a654f8e8 [2024-11-09 01:09:44,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data/0cf9f4e36/3e4f86348baa41639e890633a4c9f518 [2024-11-09 01:09:44,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:09:44,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:09:44,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:09:44,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:09:44,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:09:44,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:09:44" (1/1) ... [2024-11-09 01:09:44,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b159b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:44, skipping insertion in model container [2024-11-09 01:09:44,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:09:44" (1/1) ... [2024-11-09 01:09:44,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:09:45,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:09:45,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:09:45,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:09:46,080 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:09:46,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46 WrapperNode [2024-11-09 01:09:46,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:09:46,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:09:46,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:09:46,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:09:46,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,148 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2024-11-09 01:09:46,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:09:46,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:09:46,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:09:46,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:09:46,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:09:46,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:09:46,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:09:46,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:09:46,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (1/1) ... [2024-11-09 01:09:46,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:09:46,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:09:46,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:09:46,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:09:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:09:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:09:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 01:09:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:09:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:09:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:09:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:09:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 01:09:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:09:46,501 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:09:46,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:09:46,700 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 01:09:46,700 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:09:46,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:09:46,771 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:09:46,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:46 BoogieIcfgContainer [2024-11-09 01:09:46,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:09:46,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:09:46,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:09:46,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:09:46,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:09:44" (1/3) ... [2024-11-09 01:09:46,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a60ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:09:46, skipping insertion in model container [2024-11-09 01:09:46,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:46" (2/3) ... [2024-11-09 01:09:46,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a60ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:09:46, skipping insertion in model container [2024-11-09 01:09:46,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:46" (3/3) ... [2024-11-09 01:09:46,788 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i [2024-11-09 01:09:46,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:09:46,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:09:46,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:09:46,897 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;@485f890a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:09:46,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:09:46,902 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 01:09:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:09:46,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:09:46,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 01:09:46,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:09:46,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:09:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-09 01:09:46,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:09:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779257318] [2024-11-09 01:09:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:09:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:09:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:09:47,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:09:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:09:47,203 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:09:47,205 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:09:47,207 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:09:47,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:09:47,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:09:47,215 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:09:47,233 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:09:47,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:09:47 BoogieIcfgContainer [2024-11-09 01:09:47,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:09:47,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:09:47,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:09:47,238 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:09:47,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:46" (3/4) ... [2024-11-09 01:09:47,241 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:09:47,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:09:47,243 INFO L158 Benchmark]: Toolchain (without parser) took 2861.00ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 96.6MB in the beginning and 136.7MB in the end (delta: -40.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-09 01:09:47,244 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:47,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1696.43ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 96.6MB in the beginning and 113.0MB in the end (delta: -16.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-09 01:09:47,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.54ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 109.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:09:47,246 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 182.5MB. Free memory was 109.8MB in the beginning and 108.8MB in the end (delta: 989.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:47,246 INFO L158 Benchmark]: RCFGBuilder took 588.16ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 93.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 01:09:47,247 INFO L158 Benchmark]: TraceAbstraction took 459.17ms. Allocated memory is still 182.5MB. Free memory was 93.0MB in the beginning and 137.8MB in the end (delta: -44.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:47,247 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 136.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:09:47,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1696.43ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 96.6MB in the beginning and 113.0MB in the end (delta: -16.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.54ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 109.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 182.5MB. Free memory was 109.8MB in the beginning and 108.8MB in the end (delta: 989.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 588.16ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 93.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 459.17ms. Allocated memory is still 182.5MB. Free memory was 93.0MB in the beginning and 137.8MB in the end (delta: -44.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 136.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --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: 1569]: 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 01:09:47,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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_be3c0718-de35-4d00-b9c0-72b270b697ac/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 9c7955263c70e5a0ab7515d72345c4a395fb496a8bfbf1f4175b53cba762362f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:09:49,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:09:49,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 01:09:49,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:09:49,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:09:49,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:09:49,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:09:49,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:09:49,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:09:49,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:09:49,955 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:09:49,955 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:09:49,956 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:09:49,961 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:09:49,961 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:09:49,962 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:09:49,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:09:49,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:09:49,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:09:49,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:09:49,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:09:49,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:09:49,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:09:49,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:09:49,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:09:49,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:09:49,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:09:49,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:09:49,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:09:49,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:09:49,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:09:49,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:09:49,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:09:49,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:09:49,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:09:49,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:09:49,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:09:49,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:09:49,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:09:49,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:09:49,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:09:49,977 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:09:49,977 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_be3c0718-de35-4d00-b9c0-72b270b697ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c7955263c70e5a0ab7515d72345c4a395fb496a8bfbf1f4175b53cba762362f [2024-11-09 01:09:50,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:09:50,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:09:50,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:09:50,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:09:50,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:09:50,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i Unable to find full path for "g++" [2024-11-09 01:09:52,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:09:52,827 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:09:52,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i [2024-11-09 01:09:52,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data/041d3e41a/4b159b8a59ea4612b3cb22c087bc1a4b/FLAG06ab7e777 [2024-11-09 01:09:52,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/data/041d3e41a/4b159b8a59ea4612b3cb22c087bc1a4b [2024-11-09 01:09:52,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:09:52,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:09:52,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:09:52,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:09:52,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:09:52,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:09:52" (1/1) ... [2024-11-09 01:09:52,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f820a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:52, skipping insertion in model container [2024-11-09 01:09:52,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:09:52" (1/1) ... [2024-11-09 01:09:52,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:09:54,349 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 01:09:54,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:09:54,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:09:54,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:09:54,628 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:09:54,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54 WrapperNode [2024-11-09 01:09:54,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:09:54,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:09:54,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:09:54,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:09:54,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,689 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-09 01:09:54,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:09:54,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:09:54,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:09:54,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:09:54,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:09:54,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:09:54,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:09:54,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:09:54,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (1/1) ... [2024-11-09 01:09:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:09:54,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:09:54,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:09:54,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:09:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 01:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:09:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:09:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:09:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 01:09:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 01:09:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 01:09:55,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:09:55,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:09:55,250 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 01:09:55,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:09:55,266 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:09:55,266 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:09:55,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:55 BoogieIcfgContainer [2024-11-09 01:09:55,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:09:55,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:09:55,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:09:55,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:09:55,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:09:52" (1/3) ... [2024-11-09 01:09:55,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20624fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:09:55, skipping insertion in model container [2024-11-09 01:09:55,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:54" (2/3) ... [2024-11-09 01:09:55,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20624fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:09:55, skipping insertion in model container [2024-11-09 01:09:55,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:55" (3/3) ... [2024-11-09 01:09:55,278 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_64_bad.i [2024-11-09 01:09:55,297 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:09:55,297 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:09:55,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:09:55,381 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;@2971fe8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:09:55,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:09:55,388 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 01:09:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 01:09:55,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:09:55,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:09:55,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:09:55,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:09:55,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-09 01:09:55,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:09:55,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465780922] [2024-11-09 01:09:55,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:09:55,422 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 01:09:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:09:55,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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 01:09:55,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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 01:09:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:09:55,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:09:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:09:55,706 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 01:09:55,708 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:09:55,710 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:09:55,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:09:55,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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 01:09:55,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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 01:09:55,920 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:09:55,943 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:09:55,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:09:55 BoogieIcfgContainer [2024-11-09 01:09:55,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:09:55,954 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:09:55,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:09:55,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:09:55,955 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:55" (3/4) ... [2024-11-09 01:09:55,958 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:09:55,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:09:55,962 INFO L158 Benchmark]: Toolchain (without parser) took 3067.52ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 60.0MB in the end (delta: -20.7MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-09 01:09:55,962 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:55,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1732.98ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.0MB in the beginning and 42.1MB in the end (delta: -3.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-09 01:09:55,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.37ms. Allocated memory is still 90.2MB. Free memory was 41.7MB in the beginning and 38.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:09:55,965 INFO L158 Benchmark]: Boogie Preprocessor took 40.57ms. Allocated memory is still 90.2MB. Free memory was 38.6MB in the beginning and 37.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:09:55,966 INFO L158 Benchmark]: RCFGBuilder took 532.72ms. Allocated memory is still 90.2MB. Free memory was 36.6MB in the beginning and 49.6MB in the end (delta: -13.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-09 01:09:55,966 INFO L158 Benchmark]: TraceAbstraction took 677.39ms. Allocated memory is still 90.2MB. Free memory was 49.1MB in the beginning and 31.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 01:09:55,967 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 90.2MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:55,975 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 67.1MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1732.98ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.0MB in the beginning and 42.1MB in the end (delta: -3.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.37ms. Allocated memory is still 90.2MB. Free memory was 41.7MB in the beginning and 38.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.57ms. Allocated memory is still 90.2MB. Free memory was 38.6MB in the beginning and 37.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.72ms. Allocated memory is still 90.2MB. Free memory was 36.6MB in the beginning and 49.6MB in the end (delta: -13.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 677.39ms. Allocated memory is still 90.2MB. Free memory was 49.1MB in the beginning and 31.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 90.2MB. Free memory is still 60.0MB. 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: 1569]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --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: 1569]: 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 01:09:56,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be3c0718-de35-4d00-b9c0-72b270b697ac/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