./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_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_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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_48fc282c-069a-4da6-9afb-03a25a2ff317/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 e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:49:28,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:49:29,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-13 23:49:29,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:49:29,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:49:29,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:49:29,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:49:29,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:49:29,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:49:29,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:49:29,156 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:49:29,156 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:49:29,157 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:49:29,157 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:49:29,157 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:49:29,157 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:49:29,157 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:49:29,157 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:49:29,158 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:49:29,158 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:49:29,158 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:49:29,158 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:49:29,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:49:29,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:49:29,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:49:29,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:49:29,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:49:29,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:49:29,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:49:29,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:49:29,160 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:49:29,160 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:49:29,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:49:29,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:49:29,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:49:29,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:49:29,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:49:29,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:29,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:49:29,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:49:29,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:49:29,162 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:49:29,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:49:29,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:49:29,162 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:49:29,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:49:29,162 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_48fc282c-069a-4da6-9afb-03a25a2ff317/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 -> e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c [2024-11-13 23:49:29,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:49:29,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:49:29,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:49:29,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:49:29,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:49:29,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i Unable to find full path for "g++" [2024-11-13 23:49:31,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:49:32,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:49:32,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2024-11-13 23:49:32,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data/f8bfc4fe2/ce5c10c88ee645e69bae97c2194dfbd4/FLAG366f4f96d [2024-11-13 23:49:32,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data/f8bfc4fe2/ce5c10c88ee645e69bae97c2194dfbd4 [2024-11-13 23:49:32,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:49:32,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:49:32,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:32,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:49:32,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:49:32,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:32" (1/1) ... [2024-11-13 23:49:32,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549ef215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:32, skipping insertion in model container [2024-11-13 23:49:32,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:32" (1/1) ... [2024-11-13 23:49:32,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:49:33,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:33,374 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:49:33,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:33,658 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:49:33,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33 WrapperNode [2024-11-13 23:49:33,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:33,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:33,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:49:33,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:49:33,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,713 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 47 [2024-11-13 23:49:33,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:33,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:49:33,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:49:33,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:49:33,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:49:33,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:49:33,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:49:33,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:49:33,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (1/1) ... [2024-11-13 23:49:33,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:49:33,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:49:33,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:49:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:49:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:49:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:49:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:49:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:49:33,983 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:49:33,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:49:34,141 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:49:34,141 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:49:34,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:49:34,194 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:49:34,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:49:34 BoogieIcfgContainer [2024-11-13 23:49:34,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:49:34,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:49:34,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:49:34,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:49:34,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:49:32" (1/3) ... [2024-11-13 23:49:34,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540574eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:49:34, skipping insertion in model container [2024-11-13 23:49:34,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:33" (2/3) ... [2024-11-13 23:49:34,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540574eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:49:34, skipping insertion in model container [2024-11-13 23:49:34,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:49:34" (3/3) ... [2024-11-13 23:49:34,208 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2024-11-13 23:49:34,230 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:49:34,232 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_54_bad.i that has 2 procedures, 14 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 23:49:34,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:49:34,329 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;@1873f64c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:49:34,330 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 23:49:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:49:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:49:34,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:49:34,343 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:49:34,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 23:49:34,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:49:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1672497537, now seen corresponding path program 1 times [2024-11-13 23:49:34,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:49:34,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812089802] [2024-11-13 23:49:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:49:34,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:49:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:49:34,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:49:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:49:34,525 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:49:34,527 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:49:34,528 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 23:49:34,530 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 23:49:34,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:49:34,535 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:49:34,554 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:49:34,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:49:34 BoogieIcfgContainer [2024-11-13 23:49:34,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:49:34,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:49:34,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:49:34,559 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:49:34,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:49:34" (3/4) ... [2024-11-13 23:49:34,562 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:49:34,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:49:34,564 INFO L158 Benchmark]: Toolchain (without parser) took 2443.09ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 47.6MB in the end (delta: 40.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 23:49:34,565 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:34,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1536.94ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 79.0MB in the end (delta: 9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 23:49:34,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.93ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:34,566 INFO L158 Benchmark]: Boogie Preprocessor took 24.64ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:34,566 INFO L158 Benchmark]: RCFGBuilder took 455.08ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 62.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:49:34,567 INFO L158 Benchmark]: TraceAbstraction took 359.70ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 47.6MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:49:34,567 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 117.4MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:34,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1536.94ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 79.0MB in the end (delta: 9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.93ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.64ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.08ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 62.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 359.70ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 47.6MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 117.4MB. Free memory is still 47.6MB. 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:49:34,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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_48fc282c-069a-4da6-9afb-03a25a2ff317/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 e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:49:37,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:49:37,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-13 23:49:37,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:49:37,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:49:37,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:49:37,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:49:37,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:49:37,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:49:37,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:49:37,571 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:49:37,571 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:49:37,571 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:49:37,571 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:49:37,572 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:49:37,572 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:49:37,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:49:37,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:49:37,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:49:37,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:49:37,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:49:37,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:49:37,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:49:37,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:49:37,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:49:37,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:49:37,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:49:37,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:37,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:49:37,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:49:37,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:49:37,581 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:49:37,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:49:37,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:49:37,581 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:49:37,581 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_48fc282c-069a-4da6-9afb-03a25a2ff317/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 -> e95ed7a3ced9bcc715ccb7f290819f4e763dc0c9aebee038903a74d522cbc27c [2024-11-13 23:49:37,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:49:37,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:49:37,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:49:37,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:49:37,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:49:37,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i Unable to find full path for "g++" [2024-11-13 23:49:39,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:49:40,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:49:40,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2024-11-13 23:49:40,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data/39fc8a7ee/98978687118449a5a3d582f725a00c12/FLAG41ccc2523 [2024-11-13 23:49:40,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/data/39fc8a7ee/98978687118449a5a3d582f725a00c12 [2024-11-13 23:49:40,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:49:40,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:49:40,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:40,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:49:40,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:49:40,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:40" (1/1) ... [2024-11-13 23:49:40,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a318426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:40, skipping insertion in model container [2024-11-13 23:49:40,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:40" (1/1) ... [2024-11-13 23:49:40,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:49:42,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:42,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:49:42,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:42,375 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:49:42,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42 WrapperNode [2024-11-13 23:49:42,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:42,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:42,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:49:42,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:49:42,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,450 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 47 [2024-11-13 23:49:42,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:42,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:49:42,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:49:42,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:49:42,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:49:42,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:49:42,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:49:42,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:49:42,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (1/1) ... [2024-11-13 23:49:42,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:42,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:49:42,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:49:42,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:49:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:49:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:49:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:49:42,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:49:42,797 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:49:43,003 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:49:43,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:49:43,021 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:49:43,021 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:49:43,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:49:43 BoogieIcfgContainer [2024-11-13 23:49:43,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:49:43,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:49:43,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:49:43,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:49:43,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:49:40" (1/3) ... [2024-11-13 23:49:43,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4a7460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:49:43, skipping insertion in model container [2024-11-13 23:49:43,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:42" (2/3) ... [2024-11-13 23:49:43,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4a7460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:49:43, skipping insertion in model container [2024-11-13 23:49:43,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:49:43" (3/3) ... [2024-11-13 23:49:43,036 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_54_bad.i [2024-11-13 23:49:43,056 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:49:43,058 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_54_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 23:49:43,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:49:43,166 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;@19a78f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:49:43,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 23:49:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 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) [2024-11-13 23:49:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:49:43,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:49:43,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:49:43,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 23:49:43,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:49:43,190 INFO L85 PathProgramCache]: Analyzing trace with hash -625085467, now seen corresponding path program 1 times [2024-11-13 23:49:43,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:49:43,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106495213] [2024-11-13 23:49:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:49:43,208 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 [2024-11-13 23:49:43,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:49:43,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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) [2024-11-13 23:49:43,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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 [2024-11-13 23:49:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:49:43,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:49:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:49:43,537 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-13 23:49:43,543 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:49:43,549 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 23:49:43,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 23:49:43,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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 [2024-11-13 23:49:43,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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 [2024-11-13 23:49:43,765 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:49:43,791 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:49:43,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:49:43 BoogieIcfgContainer [2024-11-13 23:49:43,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:49:43,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:49:43,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:49:43,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:49:43,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:49:43" (3/4) ... [2024-11-13 23:49:43,801 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:49:43,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:49:43,841 INFO L158 Benchmark]: Toolchain (without parser) took 3182.34ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 87.2MB in the end (delta: 2.0MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-11-13 23:49:43,841 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:43,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1714.82ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 23:49:43,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.28ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:43,842 INFO L158 Benchmark]: Boogie Preprocessor took 43.24ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 64.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:43,843 INFO L158 Benchmark]: RCFGBuilder took 527.15ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 51.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:49:43,843 INFO L158 Benchmark]: TraceAbstraction took 769.78ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 37.0MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:49:43,844 INFO L158 Benchmark]: Witness Printer took 43.35ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 87.2MB in the end (delta: -50.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-13 23:49:43,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1714.82ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.28ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.24ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 64.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.15ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 51.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 769.78ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 37.0MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 43.35ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 87.2MB in the end (delta: -50.2MB). Peak memory consumption was 12.8MB. 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: 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, 24 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=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:49:43,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48fc282c-069a-4da6-9afb-03a25a2ff317/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