./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/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_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/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_20b289e5-5cea-4106-bab5-3d47ea60c97d/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:18:34,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:18:34,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 01:18:34,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:18:34,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:18:34,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:18:34,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:18:34,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:18:34,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:18:34,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:18:34,515 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:18:34,516 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:18:34,516 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:18:34,517 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:18:34,517 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:18:34,518 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:18:34,518 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:18:34,519 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:18:34,519 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:18:34,520 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:18:34,523 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:18:34,524 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:18:34,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:18:34,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:18:34,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:18:34,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:18:34,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:18:34,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:18:34,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:18:34,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:18:34,531 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:18:34,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:18:34,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:18:34,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:18:34,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:18:34,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:18:34,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:18:34,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:34,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:18:34,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:18:34,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:18:34,539 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:18:34,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:18:34,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:18:34,540 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:18:34,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:18:34,541 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_20b289e5-5cea-4106-bab5-3d47ea60c97d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2024-11-09 01:18:34,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:18:34,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:18:34,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:18:34,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:18:34,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:18:34,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i Unable to find full path for "g++" [2024-11-09 01:18:36,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:18:37,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:18:37,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2024-11-09 01:18:37,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data/e30881e7c/2f1b2ab7888b4361b4f428732c9b908a/FLAG4b923d993 [2024-11-09 01:18:37,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data/e30881e7c/2f1b2ab7888b4361b4f428732c9b908a [2024-11-09 01:18:37,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:18:37,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:18:37,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:37,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:18:37,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:18:37,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:37" (1/1) ... [2024-11-09 01:18:37,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:37, skipping insertion in model container [2024-11-09 01:18:37,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:37" (1/1) ... [2024-11-09 01:18:37,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:18:38,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:38,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:18:38,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:39,076 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:18:39,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39 WrapperNode [2024-11-09 01:18:39,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:39,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:39,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:18:39,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:18:39,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,144 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-09 01:18:39,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:39,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:18:39,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:18:39,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:18:39,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:18:39,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:18:39,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:18:39,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:18:39,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (1/1) ... [2024-11-09 01:18:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:39,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:39,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:18:39,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:18:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:18:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:18:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:18:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:18:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:18:39,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:18:39,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:18:39,543 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 01:18:39,543 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:18:39,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:18:39,611 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:18:39,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:39 BoogieIcfgContainer [2024-11-09 01:18:39,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:18:39,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:18:39,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:18:39,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:18:39,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:37" (1/3) ... [2024-11-09 01:18:39,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8be8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:39, skipping insertion in model container [2024-11-09 01:18:39,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:39" (2/3) ... [2024-11-09 01:18:39,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8be8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:39, skipping insertion in model container [2024-11-09 01:18:39,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:39" (3/3) ... [2024-11-09 01:18:39,624 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2024-11-09 01:18:39,652 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:18:39,653 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:18:39,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:18:39,730 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;@386a69e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:18:39,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:18:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:18:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:18:39,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:18:39,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 01:18:39,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:18:39,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:18:39,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1771518356, now seen corresponding path program 1 times [2024-11-09 01:18:39,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:18:39,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357895385] [2024-11-09 01:18:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:39,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:18:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:18:39,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:18:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:18:39,949 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:18:39,951 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:18:39,953 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:18:39,955 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:18:39,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:18:39,961 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:18:39,981 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:18:39,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:18:39 BoogieIcfgContainer [2024-11-09 01:18:39,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:18:39,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:18:39,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:18:39,985 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:18:39,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:39" (3/4) ... [2024-11-09 01:18:39,988 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:18:39,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:18:39,990 INFO L158 Benchmark]: Toolchain (without parser) took 2623.51ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 69.7MB in the end (delta: 50.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-09 01:18:39,991 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory was 63.6MB in the beginning and 63.5MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:39,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1709.93ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 105.2MB in the end (delta: 14.0MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-09 01:18:39,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.58ms. Allocated memory is still 155.2MB. Free memory was 105.2MB in the beginning and 102.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:18:39,993 INFO L158 Benchmark]: Boogie Preprocessor took 35.13ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 101.1MB in the end (delta: 883.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:39,994 INFO L158 Benchmark]: RCFGBuilder took 431.18ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 86.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:18:39,995 INFO L158 Benchmark]: TraceAbstraction took 369.39ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 70.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 01:18:39,995 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 155.2MB. Free memory was 70.5MB in the beginning and 69.7MB in the end (delta: 884.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:39,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory was 63.6MB in the beginning and 63.5MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1709.93ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 105.2MB in the end (delta: 14.0MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.58ms. Allocated memory is still 155.2MB. Free memory was 105.2MB in the beginning and 102.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.13ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 101.1MB in the end (delta: 883.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.18ms. Allocated memory is still 155.2MB. Free memory was 101.1MB in the beginning and 86.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 369.39ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 70.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 155.2MB. Free memory was 70.5MB in the beginning and 69.7MB in the end (delta: 884.0kB). 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:18:40,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/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_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/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_20b289e5-5cea-4106-bab5-3d47ea60c97d/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:18:42,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:18:42,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 01:18:42,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:18:42,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:18:42,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:18:42,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:18:42,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:18:42,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:18:42,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:18:42,910 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:18:42,910 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:18:42,910 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:18:42,911 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:18:42,912 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:18:42,913 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:18:42,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:18:42,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:18:42,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:18:42,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:18:42,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:18:42,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:18:42,921 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:18:42,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:18:42,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:18:42,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:18:42,923 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:18:42,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:18:42,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:18:42,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:18:42,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:18:42,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:18:42,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:18:42,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:18:42,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:42,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:18:42,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:18:42,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:18:42,929 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:18:42,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:18:42,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:18:42,931 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:18:42,931 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_20b289e5-5cea-4106-bab5-3d47ea60c97d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2024-11-09 01:18:43,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:18:43,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:18:43,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:18:43,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:18:43,377 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:18:43,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i Unable to find full path for "g++" [2024-11-09 01:18:45,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:18:46,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:18:46,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2024-11-09 01:18:46,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data/d186cc1f5/530aac550a974772a48faa72b0573b2b/FLAG1694b73af [2024-11-09 01:18:46,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/data/d186cc1f5/530aac550a974772a48faa72b0573b2b [2024-11-09 01:18:46,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:18:46,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:18:46,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:46,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:18:46,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:18:46,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:46" (1/1) ... [2024-11-09 01:18:46,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b2616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:46, skipping insertion in model container [2024-11-09 01:18:46,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:46" (1/1) ... [2024-11-09 01:18:46,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:18:47,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:47,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:18:47,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:47,721 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:18:47,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47 WrapperNode [2024-11-09 01:18:47,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:47,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:47,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:18:47,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:18:47,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,815 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-09 01:18:47,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:47,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:18:47,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:18:47,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:18:47,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:18:47,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:18:47,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:18:47,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:18:47,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (1/1) ... [2024-11-09 01:18:47,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:47,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:47,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:18:47,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:18:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:18:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:18:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:18:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:18:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:18:48,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:18:48,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:18:48,250 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 01:18:48,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:18:48,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:18:48,279 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:18:48,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:48 BoogieIcfgContainer [2024-11-09 01:18:48,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:18:48,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:18:48,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:18:48,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:18:48,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:46" (1/3) ... [2024-11-09 01:18:48,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8dd8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:48, skipping insertion in model container [2024-11-09 01:18:48,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:47" (2/3) ... [2024-11-09 01:18:48,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8dd8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:48, skipping insertion in model container [2024-11-09 01:18:48,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:48" (3/3) ... [2024-11-09 01:18:48,289 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2024-11-09 01:18:48,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:18:48,309 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:18:48,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:18:48,382 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;@31852cf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:18:48,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:18:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:18:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 01:18:48,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:18:48,399 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:18:48,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:18:48,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:18:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-09 01:18:48,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:18:48,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033828947] [2024-11-09 01:18:48,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:48,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:18:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:18:48,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:18:48,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 01:18:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:18:48,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:18:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:18:48,668 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 01:18:48,671 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:18:48,672 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:18:48,674 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:18:48,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 01:18:48,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:18:48,883 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:18:48,909 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:18:48,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:18:48 BoogieIcfgContainer [2024-11-09 01:18:48,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:18:48,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:18:48,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:18:48,914 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:18:48,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:48" (3/4) ... [2024-11-09 01:18:48,917 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:18:48,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:18:48,920 INFO L158 Benchmark]: Toolchain (without parser) took 2748.05ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.2MB in the beginning and 40.2MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 01:18:48,921 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:48,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1547.49ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.1MB in the beginning and 53.0MB in the end (delta: -23.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-09 01:18:48,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.21ms. Allocated memory is still 86.0MB. Free memory was 53.0MB in the beginning and 50.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:18:48,923 INFO L158 Benchmark]: Boogie Preprocessor took 50.41ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:18:48,924 INFO L158 Benchmark]: RCFGBuilder took 410.58ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 56.5MB in the end (delta: -8.5MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-09 01:18:48,924 INFO L158 Benchmark]: TraceAbstraction took 630.14ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 40.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:18:48,925 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 86.0MB. Free memory was 40.5MB in the beginning and 40.2MB in the end (delta: 329.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:48,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1547.49ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.1MB in the beginning and 53.0MB in the end (delta: -23.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.21ms. Allocated memory is still 86.0MB. Free memory was 53.0MB in the beginning and 50.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.41ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.58ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 56.5MB in the end (delta: -8.5MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 630.14ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 40.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 86.0MB. Free memory was 40.5MB in the beginning and 40.2MB in the end (delta: 329.0kB). 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: 1557]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:18:48,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b289e5-5cea-4106-bab5-3d47ea60c97d/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