./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_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_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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_5793e438-a9b7-4737-8429-e54cdc42357b/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 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:54:36,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:54:36,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 06:54:36,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:54:36,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:54:36,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:54:36,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:54:36,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:54:36,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:54:36,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:54:36,976 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:54:36,976 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:54:36,977 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:54:36,980 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:54:36,980 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:54:36,981 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:54:36,981 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:54:36,981 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:54:36,982 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:54:36,986 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:54:36,987 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:54:36,988 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:54:36,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:54:36,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:54:36,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:54:36,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:54:36,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:54:36,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:54:36,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:54:36,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:54:36,990 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:54:36,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:54:36,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:54:36,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:54:36,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:54:36,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:54:36,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:54:36,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:54:36,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:54:36,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:54:36,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:54:36,997 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:54:36,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:54:36,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:54:36,998 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:54:36,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:54:36,999 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_5793e438-a9b7-4737-8429-e54cdc42357b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb [2024-11-09 06:54:37,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:54:37,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:54:37,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:54:37,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:54:37,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:54:37,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i Unable to find full path for "g++" [2024-11-09 06:54:39,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:54:39,926 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:54:39,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i [2024-11-09 06:54:39,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data/6bfdeb001/994e4f74d40d443da12f68e8c8e07a0f/FLAG299f1fd81 [2024-11-09 06:54:40,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data/6bfdeb001/994e4f74d40d443da12f68e8c8e07a0f [2024-11-09 06:54:40,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:54:40,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:54:40,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:54:40,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:54:40,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:54:40,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:54:40" (1/1) ... [2024-11-09 06:54:40,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd9e25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:40, skipping insertion in model container [2024-11-09 06:54:40,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:54:40" (1/1) ... [2024-11-09 06:54:40,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:54:41,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:54:41,187 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:54:41,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:54:41,522 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:54:41,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41 WrapperNode [2024-11-09 06:54:41,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:54:41,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:54:41,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:54:41,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:54:41,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,638 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-09 06:54:41,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:54:41,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:54:41,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:54:41,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:54:41,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:54:41,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:54:41,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:54:41,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:54:41,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (1/1) ... [2024-11-09 06:54:41,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:54:41,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:54:41,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:54:41,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:54:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 06:54:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 06:54:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:54:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:54:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:54:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:54:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:54:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:54:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:54:41,930 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:54:41,932 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:54:42,045 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 06:54:42,045 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:54:42,105 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:54:42,106 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:54:42,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:54:42 BoogieIcfgContainer [2024-11-09 06:54:42,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:54:42,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:54:42,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:54:42,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:54:42,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:54:40" (1/3) ... [2024-11-09 06:54:42,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dce9650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:54:42, skipping insertion in model container [2024-11-09 06:54:42,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:41" (2/3) ... [2024-11-09 06:54:42,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dce9650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:54:42, skipping insertion in model container [2024-11-09 06:54:42,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:54:42" (3/3) ... [2024-11-09 06:54:42,116 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i [2024-11-09 06:54:42,136 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:54:42,136 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:54:42,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:54:42,228 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;@76e1fde3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:54:42,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:54:42,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 06:54:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:54:42,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:54:42,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:42,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:54:42,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1312829956, now seen corresponding path program 1 times [2024-11-09 06:54:42,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:54:42,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331466708] [2024-11-09 06:54:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:42,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:54:42,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:54:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:54:42,547 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:54:42,550 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:54:42,552 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 06:54:42,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 06:54:42,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:54:42,562 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:54:42,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:54:42,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:54:42 BoogieIcfgContainer [2024-11-09 06:54:42,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:54:42,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:54:42,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:54:42,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:54:42,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:54:42" (3/4) ... [2024-11-09 06:54:42,602 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:54:42,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:54:42,606 INFO L158 Benchmark]: Toolchain (without parser) took 2560.90ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 59.5MB in the end (delta: 57.7MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-09 06:54:42,606 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:54:42,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.54ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 97.3MB in the end (delta: 19.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-09 06:54:42,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.45ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 94.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:54:42,609 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:54:42,610 INFO L158 Benchmark]: RCFGBuilder took 419.41ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:54:42,610 INFO L158 Benchmark]: TraceAbstraction took 488.08ms. Allocated memory is still 151.0MB. Free memory was 77.2MB in the beginning and 59.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:54:42,611 INFO L158 Benchmark]: Witness Printer took 6.85ms. Allocated memory is still 151.0MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:54:42,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.54ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 97.3MB in the end (delta: 19.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.45ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 94.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.41ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 488.08ms. Allocated memory is still 151.0MB. Free memory was 77.2MB in the beginning and 59.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.85ms. Allocated memory is still 151.0MB. Free memory is still 59.5MB. 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: 1571]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 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: 1571]: 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, 14 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=14occurred 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, 7 NumberOfCodeBlocks, 7 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 06:54:42,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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 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_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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_5793e438-a9b7-4737-8429-e54cdc42357b/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 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:54:45,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:54:45,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 06:54:45,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:54:45,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:54:45,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:54:45,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:54:45,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:54:45,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:54:45,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:54:45,441 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:54:45,442 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:54:45,442 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:54:45,443 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:54:45,443 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:54:45,444 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:54:45,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:54:45,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:54:45,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:54:45,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:54:45,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:54:45,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:54:45,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:54:45,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:54:45,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:54:45,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:54:45,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:54:45,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:54:45,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:54:45,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:54:45,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:54:45,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:54:45,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:54:45,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:54:45,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:54:45,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:54:45,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:54:45,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:54:45,454 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:54:45,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:54:45,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:54:45,456 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:54:45,456 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_5793e438-a9b7-4737-8429-e54cdc42357b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc8c7a8f353df873f3a0acbb623488539232f8eb7d059b435f22b5708486efb [2024-11-09 06:54:45,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:54:45,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:54:45,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:54:45,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:54:45,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:54:45,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i Unable to find full path for "g++" [2024-11-09 06:54:48,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:54:48,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:54:48,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i [2024-11-09 06:54:48,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data/db83f43cb/a69a58de6d03423a88b69e13f8e7e6ef/FLAGe0d8722f8 [2024-11-09 06:54:48,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/data/db83f43cb/a69a58de6d03423a88b69e13f8e7e6ef [2024-11-09 06:54:48,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:54:48,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:54:48,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:54:48,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:54:48,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:54:48,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:54:48" (1/1) ... [2024-11-09 06:54:48,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547291fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:48, skipping insertion in model container [2024-11-09 06:54:48,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:54:48" (1/1) ... [2024-11-09 06:54:48,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:54:50,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:54:50,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:54:50,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:54:50,612 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:54:50,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50 WrapperNode [2024-11-09 06:54:50,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:54:50,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:54:50,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:54:50,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:54:50,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,676 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-09 06:54:50,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:54:50,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:54:50,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:54:50,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:54:50,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:54:50,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:54:50,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:54:50,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:54:50,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (1/1) ... [2024-11-09 06:54:50,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:54:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:54:50,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:54:50,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:54:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 06:54:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 06:54:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:54:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:54:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:54:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:54:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:54:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:54:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:54:51,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:54:51,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:54:51,240 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 06:54:51,240 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:54:51,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:54:51,253 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:54:51,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:54:51 BoogieIcfgContainer [2024-11-09 06:54:51,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:54:51,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:54:51,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:54:51,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:54:51,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:54:48" (1/3) ... [2024-11-09 06:54:51,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cec1b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:54:51, skipping insertion in model container [2024-11-09 06:54:51,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:54:50" (2/3) ... [2024-11-09 06:54:51,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cec1b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:54:51, skipping insertion in model container [2024-11-09 06:54:51,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:54:51" (3/3) ... [2024-11-09 06:54:51,264 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_66_bad.i [2024-11-09 06:54:51,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:54:51,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 06:54:51,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:54:51,377 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;@631e2640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:54:51,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 06:54:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:54:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 06:54:51,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:54:51,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:51,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 06:54:51,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:51,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-09 06:54:51,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:54:51,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470422165] [2024-11-09 06:54:51,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:51,422 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 06:54:51,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:54:51,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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 06:54:51,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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 06:54:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:54:51,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:54:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:54:51,730 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 06:54:51,732 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:54:51,734 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 06:54:51,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 06:54:51,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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 06:54:51,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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 06:54:51,943 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:54:51,976 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:54:51,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:54:51 BoogieIcfgContainer [2024-11-09 06:54:51,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:54:51,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:54:51,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:54:51,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:54:51,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:54:51" (3/4) ... [2024-11-09 06:54:51,985 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:54:51,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:54:51,988 INFO L158 Benchmark]: Toolchain (without parser) took 3169.63ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.9MB in the beginning and 65.8MB in the end (delta: -11.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-09 06:54:51,988 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:54:51,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1791.91ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.6MB in the beginning and 47.3MB in the end (delta: 6.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 06:54:51,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.99ms. Allocated memory is still 98.6MB. Free memory was 47.3MB in the beginning and 44.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:54:51,991 INFO L158 Benchmark]: Boogie Preprocessor took 37.61ms. Allocated memory is still 98.6MB. Free memory was 44.3MB in the beginning and 42.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:54:51,992 INFO L158 Benchmark]: RCFGBuilder took 538.56ms. Allocated memory is still 98.6MB. Free memory was 42.3MB in the beginning and 57.1MB in the end (delta: -14.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-09 06:54:51,993 INFO L158 Benchmark]: TraceAbstraction took 724.44ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 66.3MB in the end (delta: -10.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:54:51,993 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 65.8MB in the end (delta: 513.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:54:51,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1791.91ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.6MB in the beginning and 47.3MB in the end (delta: 6.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.99ms. Allocated memory is still 98.6MB. Free memory was 47.3MB in the beginning and 44.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.61ms. Allocated memory is still 98.6MB. Free memory was 44.3MB in the beginning and 42.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.56ms. Allocated memory is still 98.6MB. Free memory was 42.3MB in the beginning and 57.1MB in the end (delta: -14.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * TraceAbstraction took 724.44ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 66.3MB in the end (delta: -10.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 65.8MB in the end (delta: 513.2kB). 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: 1571]: 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 1561. 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] [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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 06:54:52,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5793e438-a9b7-4737-8429-e54cdc42357b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample