./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_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_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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_3410e93f-c9be-4d66-97e1-a29b551ada06/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 c0f6a80037c2fb6c5a4f41c30eba254f20793d9c6089f3f700661bdb0753f204 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:06:03,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:06:03,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 07:06:03,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:06:03,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:06:03,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:06:03,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:06:03,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:06:03,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:06:03,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:06:03,685 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:06:03,685 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:06:03,686 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:06:03,688 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:06:03,689 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:06:03,689 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:06:03,689 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:06:03,690 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:06:03,690 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:06:03,690 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:06:03,691 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:06:03,698 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:06:03,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:06:03,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:06:03,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:06:03,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:06:03,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:06:03,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:06:03,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:06:03,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:06:03,700 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:06:03,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:06:03,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:06:03,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:06:03,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:06:03,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:06:03,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:06:03,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:06:03,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:06:03,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:06:03,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:06:03,704 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:06:03,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:06:03,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:06:03,705 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:06:03,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:06:03,706 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_3410e93f-c9be-4d66-97e1-a29b551ada06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0f6a80037c2fb6c5a4f41c30eba254f20793d9c6089f3f700661bdb0753f204 [2024-11-09 07:06:03,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:06:04,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:06:04,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:06:04,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:06:04,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:06:04,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i Unable to find full path for "g++" [2024-11-09 07:06:06,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:06:06,359 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:06:06,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i [2024-11-09 07:06:06,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data/bfc879088/37e0d4e317a146b993a2ac9d4799f9ba/FLAG012db9bd9 [2024-11-09 07:06:06,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data/bfc879088/37e0d4e317a146b993a2ac9d4799f9ba [2024-11-09 07:06:06,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:06:06,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:06:06,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:06:06,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:06:06,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:06:06,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:06:06" (1/1) ... [2024-11-09 07:06:06,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d58761d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:06, skipping insertion in model container [2024-11-09 07:06:06,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:06:06" (1/1) ... [2024-11-09 07:06:06,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:06:07,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:06:07,566 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:06:07,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:06:07,810 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:06:07,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07 WrapperNode [2024-11-09 07:06:07,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:06:07,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:06:07,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:06:07,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:06:07,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,863 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-09 07:06:07,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:06:07,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:06:07,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:06:07,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:06:07,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:06:07,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:06:07,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:06:07,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:06:07,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (1/1) ... [2024-11-09 07:06:07,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:06:07,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:06:07,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:06:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:06:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:06:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:06:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:06:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:06:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:06:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:06:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:06:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:06:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:06:08,193 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:06:08,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:06:08,363 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 07:06:08,365 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:06:08,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:06:08,422 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:06:08,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:06:08 BoogieIcfgContainer [2024-11-09 07:06:08,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:06:08,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:06:08,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:06:08,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:06:08,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:06:06" (1/3) ... [2024-11-09 07:06:08,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b116f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:06:08, skipping insertion in model container [2024-11-09 07:06:08,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:07" (2/3) ... [2024-11-09 07:06:08,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b116f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:06:08, skipping insertion in model container [2024-11-09 07:06:08,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:06:08" (3/3) ... [2024-11-09 07:06:08,438 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i [2024-11-09 07:06:08,455 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:06:08,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:06:08,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:06:08,517 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;@8d4ff4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:06:08,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:06:08,523 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 07:06:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 07:06:08,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:06:08,531 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:06:08,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:06:08,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:06:08,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1312829956, now seen corresponding path program 1 times [2024-11-09 07:06:08,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:06:08,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315547405] [2024-11-09 07:06:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:06:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:06:08,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:06:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:06:08,749 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:06:08,751 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:06:08,752 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:06:08,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:06:08,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:06:08,760 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:06:08,777 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:06:08,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:06:08 BoogieIcfgContainer [2024-11-09 07:06:08,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:06:08,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:06:08,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:06:08,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:06:08,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:06:08" (3/4) ... [2024-11-09 07:06:08,784 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:06:08,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:06:08,787 INFO L158 Benchmark]: Toolchain (without parser) took 2370.69ms. Allocated memory is still 172.0MB. Free memory was 132.3MB in the beginning and 108.2MB in the end (delta: 24.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-09 07:06:08,787 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:06:08,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.26ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 69.3MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-09 07:06:08,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.21ms. Allocated memory is still 172.0MB. Free memory was 69.3MB in the beginning and 66.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:06:08,789 INFO L158 Benchmark]: Boogie Preprocessor took 57.10ms. Allocated memory is still 172.0MB. Free memory was 66.6MB in the beginning and 141.5MB in the end (delta: -74.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-09 07:06:08,789 INFO L158 Benchmark]: RCFGBuilder took 500.58ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 127.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:06:08,790 INFO L158 Benchmark]: TraceAbstraction took 355.28ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 108.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 07:06:08,790 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 172.0MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:06:08,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.26ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 69.3MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.21ms. Allocated memory is still 172.0MB. Free memory was 69.3MB in the beginning and 66.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.10ms. Allocated memory is still 172.0MB. Free memory was 66.6MB in the beginning and 141.5MB in the end (delta: -74.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.58ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 127.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 355.28ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 108.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 172.0MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] 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] [L1569] 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 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=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, 0.0s 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 07:06:08,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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_3410e93f-c9be-4d66-97e1-a29b551ada06/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 c0f6a80037c2fb6c5a4f41c30eba254f20793d9c6089f3f700661bdb0753f204 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:06:11,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:06:11,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 07:06:11,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:06:11,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:06:11,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:06:11,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:06:11,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:06:11,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:06:11,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:06:11,367 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:06:11,367 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:06:11,367 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:06:11,370 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:06:11,370 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:06:11,370 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:06:11,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:06:11,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:06:11,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:06:11,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:06:11,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:06:11,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:06:11,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:06:11,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:06:11,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:06:11,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:06:11,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:06:11,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:06:11,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:06:11,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:06:11,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:06:11,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:06:11,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:06:11,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:06:11,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:06:11,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:06:11,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:06:11,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:06:11,381 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:06:11,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:06:11,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:06:11,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:06:11,383 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_3410e93f-c9be-4d66-97e1-a29b551ada06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0f6a80037c2fb6c5a4f41c30eba254f20793d9c6089f3f700661bdb0753f204 [2024-11-09 07:06:11,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:06:11,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:06:11,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:06:11,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:06:11,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:06:11,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i Unable to find full path for "g++" [2024-11-09 07:06:13,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:06:14,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:06:14,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i [2024-11-09 07:06:14,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data/442b0e7e8/79e9a033dc214ef48d5e2ad4474fad3e/FLAGcdc316348 [2024-11-09 07:06:14,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/data/442b0e7e8/79e9a033dc214ef48d5e2ad4474fad3e [2024-11-09 07:06:14,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:06:14,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:06:14,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:06:14,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:06:14,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:06:14,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:06:14" (1/1) ... [2024-11-09 07:06:14,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55da96f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:14, skipping insertion in model container [2024-11-09 07:06:14,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:06:14" (1/1) ... [2024-11-09 07:06:14,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:06:15,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:06:15,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:06:15,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:06:15,925 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:06:15,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15 WrapperNode [2024-11-09 07:06:15,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:06:15,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:06:15,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:06:15,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:06:15,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:15,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,005 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-09 07:06:16,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:06:16,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:06:16,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:06:16,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:06:16,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:06:16,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:06:16,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:06:16,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:06:16,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (1/1) ... [2024-11-09 07:06:16,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:06:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:06:16,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:06:16,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:06:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:06:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:06:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:06:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:06:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:06:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:06:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:06:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:06:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:06:16,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:06:16,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:06:16,558 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 07:06:16,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:06:16,574 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:06:16,575 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:06:16,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:06:16 BoogieIcfgContainer [2024-11-09 07:06:16,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:06:16,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:06:16,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:06:16,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:06:16,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:06:14" (1/3) ... [2024-11-09 07:06:16,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391ac529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:06:16, skipping insertion in model container [2024-11-09 07:06:16,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:15" (2/3) ... [2024-11-09 07:06:16,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391ac529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:06:16, skipping insertion in model container [2024-11-09 07:06:16,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:06:16" (3/3) ... [2024-11-09 07:06:16,589 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_63_bad.i [2024-11-09 07:06:16,609 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:06:16,609 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:06:16,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:06:16,698 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;@57c91e9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:06:16,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:06:16,704 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 07:06:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 07:06:16,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:06:16,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:06:16,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:06:16,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:06:16,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-09 07:06:16,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:06:16,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110221716] [2024-11-09 07:06:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:16,742 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 07:06:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:06:16,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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 07:06:16,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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 07:06:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:06:16,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:06:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:06:17,008 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:06:17,010 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:06:17,011 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:06:17,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:06:17,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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 07:06:17,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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 07:06:17,217 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:06:17,247 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:06:17,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:06:17 BoogieIcfgContainer [2024-11-09 07:06:17,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:06:17,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:06:17,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:06:17,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:06:17,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:06:16" (3/4) ... [2024-11-09 07:06:17,254 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:06:17,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:06:17,257 INFO L158 Benchmark]: Toolchain (without parser) took 2699.77ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 53.6MB in the end (delta: 4.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-09 07:06:17,257 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:06:17,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1368.11ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 51.6MB in the end (delta: 6.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-09 07:06:17,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.14ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 48.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:06:17,259 INFO L158 Benchmark]: Boogie Preprocessor took 54.58ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:06:17,260 INFO L158 Benchmark]: RCFGBuilder took 514.21ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.5MB in the beginning and 72.5MB in the end (delta: -26.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-09 07:06:17,261 INFO L158 Benchmark]: TraceAbstraction took 669.70ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 54.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:06:17,261 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 104.9MB. Free memory was 54.2MB in the beginning and 53.6MB in the end (delta: 631.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:06:17,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1368.11ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 51.6MB in the end (delta: 6.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.14ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 48.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.58ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.21ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.5MB in the beginning and 72.5MB in the end (delta: -26.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 669.70ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 54.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 104.9MB. Free memory was 54.2MB in the beginning and 53.6MB in the end (delta: 631.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] 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] [L1569] 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 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 07:06:17,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410e93f-c9be-4d66-97e1-a29b551ada06/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