./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2 --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 ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:22,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:22,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-02 12:29:22,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:22,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:22,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:22,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:22,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:22,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:22,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:22,673 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:22,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:22,673 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:22,674 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:29:22,674 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:22,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:22,675 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:29:22,679 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:29:22,680 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:22,680 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:29:22,682 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:29:22,683 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:29:22,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:22,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:22,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:29:22,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:22,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:22,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:22,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:22,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:22,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:29:22,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:29:22,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:22,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:22,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:22,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:22,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:22,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:22,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:22,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:22,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:22,692 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:29:22,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:29:22,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:22,693 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:22,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:22,694 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_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 [2024-11-02 12:29:23,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:23,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:23,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:23,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:23,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:23,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i Unable to find full path for "g++" [2024-11-02 12:29:25,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:25,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:25,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i [2024-11-02 12:29:25,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data/4b7a5fbcc/fe246866b2064ec6ac588ec9aa4557c7/FLAG03f53739f [2024-11-02 12:29:25,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data/4b7a5fbcc/fe246866b2064ec6ac588ec9aa4557c7 [2024-11-02 12:29:25,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:25,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:25,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:25,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:25,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:25,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:25" (1/1) ... [2024-11-02 12:29:25,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eef8cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:25, skipping insertion in model container [2024-11-02 12:29:25,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:25" (1/1) ... [2024-11-02 12:29:25,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:27,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:27,013 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:27,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:27,294 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:27,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27 WrapperNode [2024-11-02 12:29:27,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:27,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:27,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:27,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:27,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,351 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-02 12:29:27,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:27,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:27,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:27,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:27,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:27,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:27,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:27,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:27,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (1/1) ... [2024-11-02 12:29:27,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:27,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:27,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-02 12:29:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-02 12:29:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:27,621 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:27,622 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:27,727 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:27,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:27,779 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:27,779 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:29:27,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:27 BoogieIcfgContainer [2024-11-02 12:29:27,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:27,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:27,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:27,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:27,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:25" (1/3) ... [2024-11-02 12:29:27,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2ea2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:27, skipping insertion in model container [2024-11-02 12:29:27,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:27" (2/3) ... [2024-11-02 12:29:27,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2ea2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:27, skipping insertion in model container [2024-11-02 12:29:27,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:27" (3/3) ... [2024-11-02 12:29:27,793 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i [2024-11-02 12:29:27,816 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:27,817 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:29:27,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:27,882 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;@45a5cd5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:27,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:29:27,886 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) [2024-11-02 12:29:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 12:29:27,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:27,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 12:29:27,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 12:29:27,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:27,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2024-11-02 12:29:27,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:27,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910747693] [2024-11-02 12:29:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:27,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:28,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:29:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:28,141 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:29:28,143 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:29:28,145 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-02 12:29:28,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-02 12:29:28,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:29:28,152 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:29:28,174 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:28,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:28 BoogieIcfgContainer [2024-11-02 12:29:28,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:28,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:28,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:28,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:28,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:27" (3/4) ... [2024-11-02 12:29:28,184 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:29:28,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:28,186 INFO L158 Benchmark]: Toolchain (without parser) took 2405.56ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 61.8MB in the end (delta: 49.5MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-11-02 12:29:28,186 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:28,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1512.99ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 97.0MB in the end (delta: 14.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-02 12:29:28,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.57ms. Allocated memory is still 151.0MB. Free memory was 97.0MB in the beginning and 94.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:28,189 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:28,192 INFO L158 Benchmark]: RCFGBuilder took 390.98ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 78.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:29:28,192 INFO L158 Benchmark]: TraceAbstraction took 392.98ms. Allocated memory is still 151.0MB. Free memory was 78.1MB in the beginning and 61.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:29:28,192 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 151.0MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:28,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1512.99ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 97.0MB in the end (delta: 14.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.57ms. Allocated memory is still 151.0MB. Free memory was 97.0MB in the beginning and 94.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.98ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 78.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 392.98ms. Allocated memory is still 151.0MB. Free memory was 78.1MB in the beginning and 61.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 151.0MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: 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_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] 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: 1551]: 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 [2024-11-02 12:29:28,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2 --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 ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:31,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:31,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-02 12:29:31,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:31,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:31,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:31,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:31,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:31,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:31,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:31,201 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:31,201 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:31,201 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:31,202 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:31,202 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:31,202 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:31,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:31,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:31,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:31,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:31,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:31,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:31,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:29:31,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:29:31,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:31,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:29:31,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:29:31,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:29:31,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:31,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:31,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:31,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:29:31,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:31,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:31,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:31,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:31,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:31,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:31,218 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:29:31,218 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:31,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:31,220 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:31,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:31,220 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef68728d5e688502aa4828bae5266233588124c638c20695b08fc7347b6d8789 [2024-11-02 12:29:31,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:31,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:31,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:31,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:31,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:31,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i Unable to find full path for "g++" [2024-11-02 12:29:34,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:34,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:34,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i [2024-11-02 12:29:34,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data/cd0f34ba6/35d43a73d9e34b23b4a97c02ba5420ae/FLAGb1baca5c7 [2024-11-02 12:29:34,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/data/cd0f34ba6/35d43a73d9e34b23b4a97c02ba5420ae [2024-11-02 12:29:34,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:34,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:34,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:34,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:34,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:34,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:34" (1/1) ... [2024-11-02 12:29:34,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127d2054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:34, skipping insertion in model container [2024-11-02 12:29:34,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:34" (1/1) ... [2024-11-02 12:29:34,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:36,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:36,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:36,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:36,352 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:36,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36 WrapperNode [2024-11-02 12:29:36,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:36,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:36,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:36,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:36,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,446 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-02 12:29:36,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:36,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:36,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:36,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:36,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:36,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:36,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:36,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:36,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (1/1) ... [2024-11-02 12:29:36,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:36,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:36,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:36,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-02 12:29:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-02 12:29:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:36,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:36,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:36,924 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:36,924 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:36,936 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:36,936 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:29:36,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:36 BoogieIcfgContainer [2024-11-02 12:29:36,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:36,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:36,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:36,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:36,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:34" (1/3) ... [2024-11-02 12:29:36,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c978e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:36, skipping insertion in model container [2024-11-02 12:29:36,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:36" (2/3) ... [2024-11-02 12:29:36,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c978e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:36, skipping insertion in model container [2024-11-02 12:29:36,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:36" (3/3) ... [2024-11-02 12:29:36,946 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_41_bad.i [2024-11-02 12:29:36,965 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:36,965 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:29:37,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:37,063 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;@7a3c86a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:37,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:29:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-11-02 12:29:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-02 12:29:37,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:37,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:37,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 12:29:37,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:37,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-02 12:29:37,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:37,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124372826] [2024-11-02 12:29:37,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:37,109 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 [2024-11-02 12:29:37,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:37,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:29:37,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:37,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:29:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:37,334 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 12:29:37,337 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:29:37,338 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-02 12:29:37,341 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-02 12:29:37,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:37,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:37,548 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:29:37,583 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:37,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:37 BoogieIcfgContainer [2024-11-02 12:29:37,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:37,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:37,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:37,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:37,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:36" (3/4) ... [2024-11-02 12:29:37,592 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:29:37,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:37,595 INFO L158 Benchmark]: Toolchain (without parser) took 3038.33ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 63.1MB in the beginning and 65.8MB in the end (delta: -2.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-02 12:29:37,596 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:37,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1795.85ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 57.8MB in the end (delta: 5.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:37,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.12ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 54.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:37,598 INFO L158 Benchmark]: Boogie Preprocessor took 55.11ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 52.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:37,601 INFO L158 Benchmark]: RCFGBuilder took 432.30ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 39.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:29:37,602 INFO L158 Benchmark]: TraceAbstraction took 648.39ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 39.4MB in the beginning and 66.2MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:37,602 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 65.8MB in the end (delta: 376.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:37,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1795.85ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 57.8MB in the end (delta: 5.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.12ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 54.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.11ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 52.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.30ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 39.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 648.39ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 39.4MB in the beginning and 66.2MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 65.8MB in the end (delta: 376.1kB). 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: 1551]: 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_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] 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: 1551]: 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, 20 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=20occurred 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 [2024-11-02 12:29:37,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fa368d-7b59-4948-a9c5-c682847f7d0b/bin/utaipan-verify-DbMuA5NWw2/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