./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_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_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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_92945ee8-93e1-4313-b74d-7c86c36c65b3/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 fcd190a52ccd43c1f3ac60cf6c7cda3b55d06758d8155c0f8c9285abfe231494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:33:16,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:33:16,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 05:33:16,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:33:16,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:33:16,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:33:16,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:33:16,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:33:16,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:33:16,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:33:16,453 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:33:16,453 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:33:16,453 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:33:16,455 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:33:16,457 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:33:16,458 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:33:16,458 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:33:16,458 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:33:16,459 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:33:16,459 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:33:16,459 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:33:16,462 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:33:16,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:33:16,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:33:16,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:33:16,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:33:16,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:33:16,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:33:16,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:33:16,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:33:16,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:33:16,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:33:16,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:33:16,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:33:16,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:33:16,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:33:16,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:33:16,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:16,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:33:16,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:33:16,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:33:16,470 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:33:16,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:33:16,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:33:16,470 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:33:16,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:33:16,471 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_92945ee8-93e1-4313-b74d-7c86c36c65b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd190a52ccd43c1f3ac60cf6c7cda3b55d06758d8155c0f8c9285abfe231494 [2024-11-09 05:33:16,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:33:16,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:33:16,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:33:16,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:33:16,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:33:16,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i Unable to find full path for "g++" [2024-11-09 05:33:19,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:33:19,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:33:19,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i [2024-11-09 05:33:19,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data/9f627fff0/0b64a5589227457499523534faeeb5cb/FLAG8de12e6e0 [2024-11-09 05:33:19,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data/9f627fff0/0b64a5589227457499523534faeeb5cb [2024-11-09 05:33:19,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:33:19,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:33:19,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:33:19,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:33:19,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:33:19,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:33:19" (1/1) ... [2024-11-09 05:33:19,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629498a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:19, skipping insertion in model container [2024-11-09 05:33:19,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:33:19" (1/1) ... [2024-11-09 05:33:19,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:33:21,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:33:21,131 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:33:21,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:33:21,547 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:33:21,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21 WrapperNode [2024-11-09 05:33:21,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:33:21,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:33:21,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:33:21,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:33:21,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,645 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-09 05:33:21,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:33:21,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:33:21,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:33:21,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:33:21,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:33:21,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:33:21,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:33:21,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:33:21,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (1/1) ... [2024-11-09 05:33:21,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:21,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:33:21,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:33:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 05:33:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 05:33:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:33:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:33:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:33:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-09 05:33:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-09 05:33:21,993 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:33:21,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:33:22,190 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 05:33:22,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:33:22,249 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:33:22,249 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:33:22,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:22 BoogieIcfgContainer [2024-11-09 05:33:22,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:33:22,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:33:22,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:33:22,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:33:22,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:33:19" (1/3) ... [2024-11-09 05:33:22,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe6934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:22, skipping insertion in model container [2024-11-09 05:33:22,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:21" (2/3) ... [2024-11-09 05:33:22,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe6934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:22, skipping insertion in model container [2024-11-09 05:33:22,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:22" (3/3) ... [2024-11-09 05:33:22,266 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i [2024-11-09 05:33:22,287 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:33:22,287 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:33:22,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:33:22,365 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;@6067eae1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:33:22,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:33:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:33:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:33:22,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:22,383 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:22,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:33:22,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:22,391 INFO L85 PathProgramCache]: Analyzing trace with hash 735825400, now seen corresponding path program 1 times [2024-11-09 05:33:22,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:22,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533321996] [2024-11-09 05:33:22,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:22,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:22,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:33:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:22,707 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:33:22,709 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:33:22,711 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:33:22,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:33:22,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:33:22,719 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:33:22,748 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:33:22,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:33:22 BoogieIcfgContainer [2024-11-09 05:33:22,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:33:22,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:33:22,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:33:22,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:33:22,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:22" (3/4) ... [2024-11-09 05:33:22,757 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:33:22,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:33:22,760 INFO L158 Benchmark]: Toolchain (without parser) took 2982.66ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 104.8MB in the beginning and 131.9MB in the end (delta: -27.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,760 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:22,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1768.10ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 104.4MB in the beginning and 169.6MB in the end (delta: -65.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.89ms. Allocated memory is still 239.1MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,765 INFO L158 Benchmark]: Boogie Preprocessor took 47.42ms. Allocated memory is still 239.1MB. Free memory was 166.5MB in the beginning and 165.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,766 INFO L158 Benchmark]: RCFGBuilder took 555.58ms. Allocated memory is still 239.1MB. Free memory was 165.4MB in the beginning and 149.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,768 INFO L158 Benchmark]: TraceAbstraction took 498.30ms. Allocated memory is still 239.1MB. Free memory was 149.7MB in the beginning and 132.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,769 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 239.1MB. Free memory was 132.9MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:33:22,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1768.10ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 104.4MB in the beginning and 169.6MB in the end (delta: -65.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.89ms. Allocated memory is still 239.1MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.42ms. Allocated memory is still 239.1MB. Free memory was 166.5MB in the beginning and 165.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.58ms. Allocated memory is still 239.1MB. Free memory was 165.4MB in the beginning and 149.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 498.30ms. Allocated memory is still 239.1MB. Free memory was 149.7MB in the beginning and 132.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 239.1MB. Free memory was 132.9MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1566] 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] [L1568] 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: 1568]: 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 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, 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, 16 NumberOfCodeBlocks, 16 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 05:33:22,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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_92945ee8-93e1-4313-b74d-7c86c36c65b3/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 fcd190a52ccd43c1f3ac60cf6c7cda3b55d06758d8155c0f8c9285abfe231494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:33:25,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:33:25,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 05:33:25,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:33:25,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:33:25,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:33:25,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:33:25,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:33:25,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:33:25,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:33:25,458 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:33:25,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:33:25,458 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:33:25,459 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:33:25,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:33:25,459 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:33:25,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:33:25,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:33:25,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:33:25,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:33:25,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:33:25,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:33:25,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:33:25,468 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:33:25,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:33:25,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:33:25,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:33:25,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:33:25,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:33:25,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:33:25,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:33:25,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:33:25,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:33:25,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:33:25,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:25,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:33:25,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:33:25,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:33:25,474 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:33:25,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:33:25,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:33:25,476 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:33:25,476 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_92945ee8-93e1-4313-b74d-7c86c36c65b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd190a52ccd43c1f3ac60cf6c7cda3b55d06758d8155c0f8c9285abfe231494 [2024-11-09 05:33:25,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:33:25,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:33:25,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:33:25,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:33:25,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:33:25,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i Unable to find full path for "g++" [2024-11-09 05:33:28,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:33:28,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:33:28,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i [2024-11-09 05:33:28,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data/882749a7c/a8297c624cb549708cd92862cc47beec/FLAG27e6b505e [2024-11-09 05:33:28,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/data/882749a7c/a8297c624cb549708cd92862cc47beec [2024-11-09 05:33:28,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:33:28,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:33:28,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:33:28,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:33:28,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:33:28,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:33:28" (1/1) ... [2024-11-09 05:33:28,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a14895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:28, skipping insertion in model container [2024-11-09 05:33:28,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:33:28" (1/1) ... [2024-11-09 05:33:28,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:33:29,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:33:29,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:33:29,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:33:30,117 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:33:30,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30 WrapperNode [2024-11-09 05:33:30,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:33:30,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:33:30,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:33:30,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:33:30,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,193 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-09 05:33:30,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:33:30,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:33:30,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:33:30,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:33:30,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:33:30,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:33:30,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:33:30,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:33:30,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (1/1) ... [2024-11-09 05:33:30,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:30,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:33:30,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:33:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 05:33:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 05:33:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:33:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:33:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:33:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-09 05:33:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-09 05:33:30,544 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:33:30,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:33:30,757 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 05:33:30,757 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:33:30,773 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:33:30,773 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:33:30,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:30 BoogieIcfgContainer [2024-11-09 05:33:30,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:33:30,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:33:30,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:33:30,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:33:30,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:33:28" (1/3) ... [2024-11-09 05:33:30,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6a3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:30, skipping insertion in model container [2024-11-09 05:33:30,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:30" (2/3) ... [2024-11-09 05:33:30,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6a3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:30, skipping insertion in model container [2024-11-09 05:33:30,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:30" (3/3) ... [2024-11-09 05:33:30,786 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_08_bad.i [2024-11-09 05:33:30,807 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:33:30,807 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:33:30,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:33:30,896 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;@5cc7904a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:33:30,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:33:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:33:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:33:30,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:30,915 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:30,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:33:30,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:30,923 INFO L85 PathProgramCache]: Analyzing trace with hash -509176388, now seen corresponding path program 1 times [2024-11-09 05:33:30,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:33:30,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235757595] [2024-11-09 05:33:30,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:30,941 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 05:33:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:33:30,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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 05:33:30,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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 05:33:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:31,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:33:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:31,224 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:33:31,226 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:33:31,228 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:33:31,231 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:33:31,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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 05:33:31,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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 05:33:31,441 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:33:31,473 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:33:31,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:33:31 BoogieIcfgContainer [2024-11-09 05:33:31,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:33:31,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:33:31,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:33:31,478 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:33:31,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:30" (3/4) ... [2024-11-09 05:33:31,482 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:33:31,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:33:31,485 INFO L158 Benchmark]: Toolchain (without parser) took 2943.80ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 26.9MB in the beginning and 61.1MB in the end (delta: -34.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-09 05:33:31,485 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:31,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.28ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 26.7MB in the beginning and 34.7MB in the end (delta: -7.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-09 05:33:31,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.56ms. Allocated memory is still 81.8MB. Free memory was 34.7MB in the beginning and 31.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:33:31,488 INFO L158 Benchmark]: Boogie Preprocessor took 76.68ms. Allocated memory is still 81.8MB. Free memory was 31.7MB in the beginning and 52.8MB in the end (delta: -21.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-09 05:33:31,492 INFO L158 Benchmark]: RCFGBuilder took 502.20ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 39.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:33:31,493 INFO L158 Benchmark]: TraceAbstraction took 699.55ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 38.6MB in the beginning and 61.6MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:31,494 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 61.1MB in the end (delta: 565.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:31,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.28ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 26.7MB in the beginning and 34.7MB in the end (delta: -7.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.56ms. Allocated memory is still 81.8MB. Free memory was 34.7MB in the beginning and 31.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.68ms. Allocated memory is still 81.8MB. Free memory was 31.7MB in the beginning and 52.8MB in the end (delta: -21.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 502.20ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 39.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 699.55ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 38.6MB in the beginning and 61.6MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 61.1MB in the end (delta: 565.2kB). 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: 1568]: 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 1576. 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] [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1566] 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] [L1568] 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: 1568]: 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 3 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 2, 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=27occurred 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, 20 NumberOfCodeBlocks, 20 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 05:33:31,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92945ee8-93e1-4313-b74d-7c86c36c65b3/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