./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:25:20,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:25:20,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 07:25:20,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:25:20,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:25:20,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:25:20,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:25:20,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:25:20,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:25:20,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:25:20,851 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:25:20,851 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:25:20,852 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:25:20,854 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:25:20,854 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:25:20,855 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:25:20,855 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:25:20,855 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:25:20,856 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:25:20,856 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:25:20,856 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:25:20,857 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:25:20,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:25:20,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:25:20,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:25:20,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:25:20,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:25:20,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:25:20,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:25:20,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:25:20,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:25:20,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:25:20,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:25:20,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:25:20,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:25:20,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:25:20,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:25:20,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:25:20,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:25:20,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:25:20,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:25:20,869 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:25:20,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:25:20,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:25:20,870 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:25:20,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:25:20,871 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_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2024-11-09 07:25:21,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:25:21,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:25:21,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:25:21,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:25:21,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:25:21,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i Unable to find full path for "g++" [2024-11-09 07:25:23,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:25:23,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:25:23,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2024-11-09 07:25:23,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data/25d4b531b/fc4257fcb2b54538b39577abe4bdbb6e/FLAGba1d0a329 [2024-11-09 07:25:23,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data/25d4b531b/fc4257fcb2b54538b39577abe4bdbb6e [2024-11-09 07:25:23,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:25:23,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:25:23,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:25:23,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:25:23,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:25:23,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:25:23" (1/1) ... [2024-11-09 07:25:23,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed97a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:23, skipping insertion in model container [2024-11-09 07:25:23,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:25:23" (1/1) ... [2024-11-09 07:25:23,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:25:24,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:25:24,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:25:25,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:25:25,261 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:25:25,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25 WrapperNode [2024-11-09 07:25:25,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:25:25,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:25:25,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:25:25,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:25:25,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,328 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-09 07:25:25,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:25:25,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:25:25,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:25:25,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:25:25,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:25:25,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:25:25,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:25:25,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:25:25,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (1/1) ... [2024-11-09 07:25:25,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:25:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:25:25,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:25:25,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:25:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:25:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:25:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:25:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:25:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:25:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:25:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:25:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:25:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:25:25,579 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:25:25,581 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:25:25,679 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 07:25:25,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:25:25,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:25:25,724 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:25:25,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:25:25 BoogieIcfgContainer [2024-11-09 07:25:25,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:25:25,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:25:25,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:25:25,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:25:25,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:25:23" (1/3) ... [2024-11-09 07:25:25,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff1da11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:25:25, skipping insertion in model container [2024-11-09 07:25:25,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:25" (2/3) ... [2024-11-09 07:25:25,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff1da11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:25:25, skipping insertion in model container [2024-11-09 07:25:25,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:25:25" (3/3) ... [2024-11-09 07:25:25,736 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2024-11-09 07:25:25,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:25:25,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:25:25,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:25:25,820 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;@4d7c2616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:25:25,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:25:25,826 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 07:25:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:25:25,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:25:25,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:25:25,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:25:25,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:25:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1771518356, now seen corresponding path program 1 times [2024-11-09 07:25:25,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:25:25,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243235568] [2024-11-09 07:25:25,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:25:25,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:25:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:25:26,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:25:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:25:26,063 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:25:26,065 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:25:26,069 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:25:26,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:25:26,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:25:26,076 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:25:26,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:25:26,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:25:26 BoogieIcfgContainer [2024-11-09 07:25:26,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:25:26,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:25:26,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:25:26,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:25:26,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:25:25" (3/4) ... [2024-11-09 07:25:26,104 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:25:26,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:25:26,106 INFO L158 Benchmark]: Toolchain (without parser) took 2273.37ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 97.8MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:25:26,106 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:25:26,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.20ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 84.2MB in the end (delta: 10.1MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2024-11-09 07:25:26,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.91ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 81.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:25:26,108 INFO L158 Benchmark]: Boogie Preprocessor took 25.72ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:25:26,109 INFO L158 Benchmark]: RCFGBuilder took 369.27ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 65.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:25:26,110 INFO L158 Benchmark]: TraceAbstraction took 371.87ms. Allocated memory is still 136.3MB. Free memory was 64.6MB in the beginning and 97.8MB in the end (delta: -33.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:25:26,110 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 136.3MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:25:26,114 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 107.0MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.20ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 84.2MB in the end (delta: 10.1MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.91ms. Allocated memory is still 136.3MB. Free memory was 83.5MB in the beginning and 81.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.72ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.27ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 65.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 371.87ms. Allocated memory is still 136.3MB. Free memory was 64.6MB in the beginning and 97.8MB in the end (delta: -33.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 136.3MB. Free memory is still 97.8MB. 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: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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: 1563]: 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.0s 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 07:25:26,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:25:28,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:25:28,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 07:25:28,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:25:28,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:25:28,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:25:28,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:25:28,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:25:28,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:25:28,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:25:28,677 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:25:28,677 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:25:28,678 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:25:28,679 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:25:28,681 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:25:28,682 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:25:28,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:25:28,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:25:28,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:25:28,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:25:28,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:25:28,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:25:28,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:25:28,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:25:28,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:25:28,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:25:28,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:25:28,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:25:28,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:25:28,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:25:28,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:25:28,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:25:28,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:25:28,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:25:28,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:25:28,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:25:28,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:25:28,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:25:28,693 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:25:28,694 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:25:28,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:25:28,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:25:28,699 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_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2024-11-09 07:25:29,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:25:29,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:25:29,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:25:29,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:25:29,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:25:29,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i Unable to find full path for "g++" [2024-11-09 07:25:31,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:25:31,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:25:31,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2024-11-09 07:25:31,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data/025e91c85/cf36ebec941245dda1ea860dbd49abb1/FLAG500a5b16a [2024-11-09 07:25:31,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/data/025e91c85/cf36ebec941245dda1ea860dbd49abb1 [2024-11-09 07:25:31,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:25:31,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:25:31,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:25:31,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:25:31,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:25:31,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:25:31" (1/1) ... [2024-11-09 07:25:31,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd23201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:31, skipping insertion in model container [2024-11-09 07:25:31,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:25:31" (1/1) ... [2024-11-09 07:25:31,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:25:33,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:25:33,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:25:33,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:25:33,481 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:25:33,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33 WrapperNode [2024-11-09 07:25:33,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:25:33,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:25:33,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:25:33,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:25:33,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,570 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-09 07:25:33,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:25:33,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:25:33,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:25:33,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:25:33,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:25:33,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:25:33,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:25:33,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:25:33,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (1/1) ... [2024-11-09 07:25:33,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:25:33,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:25:33,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:25:33,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:25:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:25:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:25:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:25:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:25:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:25:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:25:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:25:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:25:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:25:33,850 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:25:33,852 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:25:34,031 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 07:25:34,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:25:34,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:25:34,043 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:25:34,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:25:34 BoogieIcfgContainer [2024-11-09 07:25:34,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:25:34,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:25:34,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:25:34,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:25:34,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:25:31" (1/3) ... [2024-11-09 07:25:34,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af91697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:25:34, skipping insertion in model container [2024-11-09 07:25:34,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:25:33" (2/3) ... [2024-11-09 07:25:34,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af91697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:25:34, skipping insertion in model container [2024-11-09 07:25:34,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:25:34" (3/3) ... [2024-11-09 07:25:34,056 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2024-11-09 07:25:34,074 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:25:34,074 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:25:34,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:25:34,138 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;@786f2b0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:25:34,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:25:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 07:25:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 07:25:34,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:25:34,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:25:34,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:25:34,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:25:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-09 07:25:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:25:34,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190761101] [2024-11-09 07:25:34,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:25:34,171 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 07:25:34,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:25:34,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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 07:25:34,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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 07:25:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:25:34,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:25:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:25:34,388 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:25:34,390 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:25:34,391 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:25:34,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:25:34,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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 07:25:34,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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 07:25:34,605 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:25:34,629 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:25:34,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:25:34 BoogieIcfgContainer [2024-11-09 07:25:34,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:25:34,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:25:34,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:25:34,633 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:25:34,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:25:34" (3/4) ... [2024-11-09 07:25:34,639 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:25:34,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:25:34,642 INFO L158 Benchmark]: Toolchain (without parser) took 2716.52ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 58.6MB in the beginning and 50.7MB in the end (delta: 7.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-09 07:25:34,643 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 148.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:25:34,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.48ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 58.3MB in the beginning and 57.7MB in the end (delta: 647.2kB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-09 07:25:34,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.25ms. Allocated memory is still 113.2MB. Free memory was 57.7MB in the beginning and 84.9MB in the end (delta: -27.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-09 07:25:34,647 INFO L158 Benchmark]: Boogie Preprocessor took 53.21ms. Allocated memory is still 113.2MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:25:34,648 INFO L158 Benchmark]: RCFGBuilder took 417.13ms. Allocated memory is still 113.2MB. Free memory was 82.8MB in the beginning and 69.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:25:34,649 INFO L158 Benchmark]: TraceAbstraction took 584.78ms. Allocated memory is still 113.2MB. Free memory was 68.1MB in the beginning and 51.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:25:34,651 INFO L158 Benchmark]: Witness Printer took 8.21ms. Allocated memory is still 113.2MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 602.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:25:34,657 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 86.0MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 148.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.48ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 58.3MB in the beginning and 57.7MB in the end (delta: 647.2kB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.25ms. Allocated memory is still 113.2MB. Free memory was 57.7MB in the beginning and 84.9MB in the end (delta: -27.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.21ms. Allocated memory is still 113.2MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.13ms. Allocated memory is still 113.2MB. Free memory was 82.8MB in the beginning and 69.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 584.78ms. Allocated memory is still 113.2MB. Free memory was 68.1MB in the beginning and 51.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.21ms. Allocated memory is still 113.2MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 602.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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: 1563]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:25:34,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa1ac2f-5a26-48d8-84b0-76d34334fe27/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