./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E --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 bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:32:47,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:32:47,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 05:32:47,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:32:47,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:32:47,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:32:47,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:32:47,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:32:47,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:32:47,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:32:47,361 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:32:47,361 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:32:47,361 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:32:47,362 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:32:47,362 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:32:47,362 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:32:47,362 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:32:47,362 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:32:47,363 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:32:47,363 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:32:47,363 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:32:47,363 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:32:47,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:32:47,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:32:47,365 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:32:47,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:32:47,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:32:47,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:32:47,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:32:47,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:32:47,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:32:47,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:47,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:32:47,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:32:47,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:32:47,367 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:32:47,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:32:47,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:32:47,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:32:47,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:32:47,368 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E 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 -> bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 [2024-11-14 05:32:47,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:32:47,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:32:47,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:32:47,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:32:47,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:32:47,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i Unable to find full path for "g++" [2024-11-14 05:32:50,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:32:50,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:32:50,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2024-11-14 05:32:50,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data/89947d85e/de41f3f44d7a4d18b207c6a99994b7b7/FLAG9ada2601a [2024-11-14 05:32:50,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data/89947d85e/de41f3f44d7a4d18b207c6a99994b7b7 [2024-11-14 05:32:50,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:32:50,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:32:50,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:50,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:32:50,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:32:50,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:50" (1/1) ... [2024-11-14 05:32:50,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a280f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:50, skipping insertion in model container [2024-11-14 05:32:50,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:32:50" (1/1) ... [2024-11-14 05:32:50,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:32:51,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:51,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:32:52,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:32:52,182 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:32:52,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52 WrapperNode [2024-11-14 05:32:52,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:32:52,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:52,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:32:52,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:32:52,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,289 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-14 05:32:52,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:32:52,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:32:52,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:32:52,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:32:52,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:32:52,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:32:52,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:32:52,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:32:52,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (1/1) ... [2024-11-14 05:32:52,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:52,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:32:52,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:32:52,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:32:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:32:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:32:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:32:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:32:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:32:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:32:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:32:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:32:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:32:52,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:32:52,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:32:52,828 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-14 05:32:52,828 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:32:52,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:32:52,891 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:32:52,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:52 BoogieIcfgContainer [2024-11-14 05:32:52,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:32:52,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:32:52,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:32:52,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:32:52,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:32:50" (1/3) ... [2024-11-14 05:32:52,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c55f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:32:52, skipping insertion in model container [2024-11-14 05:32:52,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:32:52" (2/3) ... [2024-11-14 05:32:52,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c55f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:32:52, skipping insertion in model container [2024-11-14 05:32:52,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:52" (3/3) ... [2024-11-14 05:32:52,904 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2024-11-14 05:32:52,927 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:32:52,929 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i that has 2 procedures, 12 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:32:53,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:32:53,031 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;@794a770d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:32:53,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:32:53,038 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) [2024-11-14 05:32:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 05:32:53,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:32:53,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 05:32:53,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:32:53,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:32:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1859344146, now seen corresponding path program 1 times [2024-11-14 05:32:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:32:53,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319163600] [2024-11-14 05:32:53,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:53,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:32:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:32:53,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:32:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:32:53,370 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:32:53,372 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:32:53,374 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:32:53,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:32:53,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:32:53,382 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:32:53,416 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:32:53,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:32:53 BoogieIcfgContainer [2024-11-14 05:32:53,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:32:53,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:32:53,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:32:53,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:32:53,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:32:52" (3/4) ... [2024-11-14 05:32:53,429 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:32:53,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:32:53,432 INFO L158 Benchmark]: Toolchain (without parser) took 2682.81ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 93.1MB in the end (delta: 34.7MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-14 05:32:53,432 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 167.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:53,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1432.66ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 67.8MB in the end (delta: 59.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 05:32:53,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.13ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 126.4MB in the end (delta: -58.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-14 05:32:53,434 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 167.8MB. Free memory was 126.4MB in the beginning and 124.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:53,435 INFO L158 Benchmark]: RCFGBuilder took 551.75ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 110.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:32:53,436 INFO L158 Benchmark]: TraceAbstraction took 527.47ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 93.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:32:53,436 INFO L158 Benchmark]: Witness Printer took 7.93ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 93.1MB in the end (delta: 692.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:32:53,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 167.8MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1432.66ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 67.8MB in the end (delta: 59.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.13ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 126.4MB in the end (delta: -58.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 167.8MB. Free memory was 126.4MB in the beginning and 124.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.75ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 110.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 527.47ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 93.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.93ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 93.1MB in the end (delta: 692.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.1s 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 [2024-11-14 05:32:53,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E --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 bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:32:56,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:32:56,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 05:32:56,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:32:56,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:32:56,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:32:56,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:32:56,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:32:56,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:32:56,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:32:56,818 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:32:56,818 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:32:56,819 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:32:56,819 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:32:56,819 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:32:56,819 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:32:56,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:32:56,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:32:56,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:32:56,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:32:56,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:32:56,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:32:56,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:32:56,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:32:56,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:32:56,842 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:32:56,843 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:32:56,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:32:56,843 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:32:56,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E 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 -> bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 [2024-11-14 05:32:57,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:32:57,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:32:57,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:32:57,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:32:57,312 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:32:57,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i Unable to find full path for "g++" [2024-11-14 05:32:59,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:33:00,197 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:33:00,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2024-11-14 05:33:00,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data/e4a4ae5b8/ae35caa3d0d04c7e99bb6983320b7b99/FLAG836d0b0cf [2024-11-14 05:33:00,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/data/e4a4ae5b8/ae35caa3d0d04c7e99bb6983320b7b99 [2024-11-14 05:33:00,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:33:00,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:33:00,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:33:00,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:33:00,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:33:00,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:33:00" (1/1) ... [2024-11-14 05:33:00,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24be5080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:00, skipping insertion in model container [2024-11-14 05:33:00,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:33:00" (1/1) ... [2024-11-14 05:33:00,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:33:01,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:33:01,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:33:02,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:33:02,270 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:33:02,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02 WrapperNode [2024-11-14 05:33:02,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:33:02,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:33:02,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:33:02,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:33:02,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,368 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-14 05:33:02,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:33:02,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:33:02,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:33:02,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:33:02,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:33:02,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:33:02,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:33:02,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:33:02,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (1/1) ... [2024-11-14 05:33:02,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:33:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:33:02,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:33:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:33:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:33:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:33:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:33:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:33:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:33:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:33:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 05:33:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:33:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 05:33:02,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:33:02,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:33:03,022 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-14 05:33:03,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:33:03,033 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:33:03,034 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:33:03,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:03 BoogieIcfgContainer [2024-11-14 05:33:03,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:33:03,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:33:03,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:33:03,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:33:03,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:33:00" (1/3) ... [2024-11-14 05:33:03,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f539804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:03, skipping insertion in model container [2024-11-14 05:33:03,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:02" (2/3) ... [2024-11-14 05:33:03,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f539804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:03, skipping insertion in model container [2024-11-14 05:33:03,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:03" (3/3) ... [2024-11-14 05:33:03,047 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2024-11-14 05:33:03,066 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:33:03,068 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:33:03,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:33:03,149 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;@269db2de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:33:03,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:33:03,156 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) [2024-11-14 05:33:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 05:33:03,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:03,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:03,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:33:03,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:03,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-14 05:33:03,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:33:03,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747948764] [2024-11-14 05:33:03,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:03,181 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 [2024-11-14 05:33:03,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:33:03,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:33:03,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:33:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:33:03,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:33:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:33:03,539 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:33:03,541 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:33:03,543 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:33:03,545 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:33:03,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:33:03,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:33:03,751 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:33:03,775 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:33:03,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:33:03 BoogieIcfgContainer [2024-11-14 05:33:03,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:33:03,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:33:03,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:33:03,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:33:03,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:03" (3/4) ... [2024-11-14 05:33:03,783 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:33:03,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:33:03,786 INFO L158 Benchmark]: Toolchain (without parser) took 3034.86ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 82.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-14 05:33:03,786 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:03,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.57ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 68.8MB in the end (delta: 20.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-14 05:33:03,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.57ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 66.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:03,788 INFO L158 Benchmark]: Boogie Preprocessor took 61.99ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 64.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:03,788 INFO L158 Benchmark]: RCFGBuilder took 600.82ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 51.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:33:03,789 INFO L158 Benchmark]: TraceAbstraction took 741.00ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 83.4MB in the end (delta: -32.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-14 05:33:03,789 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.7MB in the end (delta: 701.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:33:03,792 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 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.57ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 68.8MB in the end (delta: 20.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.57ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 66.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.99ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 64.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.82ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 51.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 741.00ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 83.4MB in the end (delta: -32.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.7MB in the end (delta: 701.0kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.1s 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 [2024-11-14 05:33:03,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2eabd3-cc22-4622-acf8-7bbf2174e24e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample