./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_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_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 8f1e2ed477e5097e858ac03c9228c476c204196b2823320609efc6d415fa4b06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:06:28,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:06:28,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 05:06:28,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:06:28,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:06:28,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:06:28,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:06:28,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:06:28,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:06:28,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:06:28,526 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:06:28,526 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:06:28,526 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:06:28,526 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:06:28,526 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:06:28,527 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:06:28,527 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:06:28,527 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:06:28,527 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:06:28,528 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:06:28,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:06:28,528 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:06:28,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:06:28,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:06:28,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:06:28,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:06:28,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:06:28,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:28,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:06:28,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:06:28,530 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_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 -> 8f1e2ed477e5097e858ac03c9228c476c204196b2823320609efc6d415fa4b06 [2024-11-14 05:06:28,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:06:28,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:06:28,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:06:28,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:06:28,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:06:28,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_bad.i Unable to find full path for "g++" [2024-11-14 05:06:30,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:06:31,263 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:06:31,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_bad.i [2024-11-14 05:06:31,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data/cd71e96d7/d0680717f25f46bda414009a376b6e35/FLAG8e144ba9c [2024-11-14 05:06:31,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data/cd71e96d7/d0680717f25f46bda414009a376b6e35 [2024-11-14 05:06:31,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:06:31,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:06:31,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:31,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:06:31,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:06:31,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:31" (1/1) ... [2024-11-14 05:06:31,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea96278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:31, skipping insertion in model container [2024-11-14 05:06:31,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:31" (1/1) ... [2024-11-14 05:06:31,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:32,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:32,345 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:32,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:32,644 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:32,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32 WrapperNode [2024-11-14 05:06:32,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:32,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:32,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:32,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:32,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,715 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-14 05:06:32,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:32,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:32,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:32,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:32,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:32,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:32,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:32,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:32,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (1/1) ... [2024-11-14 05:06:32,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:32,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:32,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:32,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:06:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:06:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-14 05:06:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-14 05:06:32,964 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:32,965 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:06:33,077 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-14 05:06:33,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:06:33,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:06:33,149 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:06:33,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:33 BoogieIcfgContainer [2024-11-14 05:06:33,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:06:33,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:06:33,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:06:33,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:06:33,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:06:31" (1/3) ... [2024-11-14 05:06:33,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc978ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:33, skipping insertion in model container [2024-11-14 05:06:33,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:32" (2/3) ... [2024-11-14 05:06:33,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc978ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:33, skipping insertion in model container [2024-11-14 05:06:33,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:33" (3/3) ... [2024-11-14 05:06:33,163 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_08_bad.i [2024-11-14 05:06:33,182 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:06:33,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_sub_08_bad.i that has 3 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:06:33,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:06:33,251 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;@6f0c6aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:06:33,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:06:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:06:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:06:33,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:33,269 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:33,269 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:06:33,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:33,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1733410871, now seen corresponding path program 1 times [2024-11-14 05:06:33,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:06:33,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502298437] [2024-11-14 05:06:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:33,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:06:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:33,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:06:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:33,429 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:06:33,431 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:06:33,432 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:06:33,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:06:33,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:06:33,439 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:06:33,471 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:06:33,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:06:33 BoogieIcfgContainer [2024-11-14 05:06:33,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:06:33,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:06:33,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:06:33,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:06:33,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:33" (3/4) ... [2024-11-14 05:06:33,480 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:06:33,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:06:33,482 INFO L158 Benchmark]: Toolchain (without parser) took 2116.34ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 74.4MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-14 05:06:33,482 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:33,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1278.09ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.1MB in the end (delta: 8.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-14 05:06:33,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:33,484 INFO L158 Benchmark]: Boogie Preprocessor took 26.05ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.9MB in the end (delta: 609.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:33,484 INFO L158 Benchmark]: RCFGBuilder took 405.79ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 89.4MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:33,485 INFO L158 Benchmark]: TraceAbstraction took 324.78ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 74.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:06:33,485 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 142.6MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:33,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1278.09ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.1MB in the end (delta: 8.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.73ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.05ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.9MB in the end (delta: 609.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.79ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 89.4MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 324.78ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 74.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 142.6MB. Free memory is still 74.4MB. 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: 1567]: 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 1575. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_min_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data - 1 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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 05:06:33,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 8f1e2ed477e5097e858ac03c9228c476c204196b2823320609efc6d415fa4b06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:06:36,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:06:36,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 05:06:36,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:06:36,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:06:36,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:06:36,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:06:36,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:06:36,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:06:36,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:06:36,364 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:06:36,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:06:36,364 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:06:36,364 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:06:36,364 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:06:36,364 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:06:36,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:06:36,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:06:36,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:06:36,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:36,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:06:36,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:06:36,368 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_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 -> 8f1e2ed477e5097e858ac03c9228c476c204196b2823320609efc6d415fa4b06 [2024-11-14 05:06:36,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:06:36,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:06:36,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:06:36,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:06:36,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:06:36,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_bad.i Unable to find full path for "g++" [2024-11-14 05:06:38,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:06:39,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:06:39,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_08_bad.i [2024-11-14 05:06:39,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data/7f0917c95/0baa6388bc1048edb2e2a8fc1f2b010c/FLAG2ae265c6d [2024-11-14 05:06:39,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/data/7f0917c95/0baa6388bc1048edb2e2a8fc1f2b010c [2024-11-14 05:06:39,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:06:39,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:06:39,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:39,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:06:39,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:06:39,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:39" (1/1) ... [2024-11-14 05:06:39,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44688a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:39, skipping insertion in model container [2024-11-14 05:06:39,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:39" (1/1) ... [2024-11-14 05:06:39,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:40,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:40,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:40,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:40,506 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:40,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40 WrapperNode [2024-11-14 05:06:40,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:40,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:40,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:40,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:40,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,555 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-14 05:06:40,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:40,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:40,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:40,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:40,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:40,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:40,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:40,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:40,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (1/1) ... [2024-11-14 05:06:40,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:40,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:40,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:40,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 05:06:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 05:06:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-14 05:06:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-14 05:06:40,799 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:40,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:06:40,967 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 05:06:40,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:06:40,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:06:40,982 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:06:40,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:40 BoogieIcfgContainer [2024-11-14 05:06:40,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:06:40,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:06:40,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:06:40,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:06:40,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:06:39" (1/3) ... [2024-11-14 05:06:40,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4265df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:40, skipping insertion in model container [2024-11-14 05:06:40,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:40" (2/3) ... [2024-11-14 05:06:40,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4265df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:40, skipping insertion in model container [2024-11-14 05:06:40,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:40" (3/3) ... [2024-11-14 05:06:40,994 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_08_bad.i [2024-11-14 05:06:41,011 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:06:41,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_sub_08_bad.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 05:06:41,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:06:41,093 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;@27c1a6ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:06:41,093 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:06:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 05:06:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 05:06:41,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:41,106 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:06:41,107 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 05:06:41,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:41,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-14 05:06:41,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:06:41,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473085069] [2024-11-14 05:06:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:41,140 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 05:06:41,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:06:41,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 05:06:41,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 05:06:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:41,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:06:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:41,376 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:06:41,378 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:06:41,379 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 05:06:41,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 05:06:41,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 05:06:41,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 05:06:41,587 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:06:41,632 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:06:41,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:06:41 BoogieIcfgContainer [2024-11-14 05:06:41,638 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:06:41,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:06:41,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:06:41,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:06:41,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:40" (3/4) ... [2024-11-14 05:06:41,643 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:06:41,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:06:41,649 INFO L158 Benchmark]: Toolchain (without parser) took 2455.07ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 44.1MB in the end (delta: 13.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-14 05:06:41,649 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:41,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1314.31ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.2MB in the end (delta: 4.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:41,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.46ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 50.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:41,650 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 48.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:41,650 INFO L158 Benchmark]: RCFGBuilder took 400.90ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 36.8MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:06:41,651 INFO L158 Benchmark]: TraceAbstraction took 652.36ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 44.5MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:41,651 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 44.1MB in the end (delta: 425.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:06:41,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1314.31ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.2MB in the end (delta: 4.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.46ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 50.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 48.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.90ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 36.8MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 652.36ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 44.5MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 44.1MB in the end (delta: 425.8kB). Peak memory consumption was 8.4MB. 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: 1567]: 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 1575. 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] [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_min_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data - 1 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 19 NumberOfCodeBlocks, 19 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 05:06:41,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fedbf6e-2354-4114-9525-7bbc4f592af2/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample