./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_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_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:58:25,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:58:25,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:58:25,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:58:25,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:58:25,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:58:25,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:58:25,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:58:25,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:58:25,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:58:25,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:58:25,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:58:25,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:58:25,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:58:25,303 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:58:25,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:58:25,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:58:25,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:58:25,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:58:25,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:58:25,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:25,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:58:25,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:58:25,306 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe [2024-11-13 13:58:25,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:58:25,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:58:25,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:58:25,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:58:25,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:58:25,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 13:58:27,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:58:28,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:58:28,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i [2024-11-13 13:58:28,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data/e236bff5e/c44d19386d6440f58e99660d3a447962/FLAG897c527cb [2024-11-13 13:58:28,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data/e236bff5e/c44d19386d6440f58e99660d3a447962 [2024-11-13 13:58:28,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:58:28,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:58:28,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:28,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:58:28,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:58:28,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:28" (1/1) ... [2024-11-13 13:58:28,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c2151e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:28, skipping insertion in model container [2024-11-13 13:58:28,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:28" (1/1) ... [2024-11-13 13:58:28,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:58:29,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:29,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:58:29,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:30,079 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:58:30,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30 WrapperNode [2024-11-13 13:58:30,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:30,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:30,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:58:30,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:58:30,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,147 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 13:58:30,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:30,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:58:30,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:58:30,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:58:30,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,170 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:58:30,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:58:30,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:58:30,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:58:30,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:58:30,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (1/1) ... [2024-11-13 13:58:30,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:30,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:30,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:58:30,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:58:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:58:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:58:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:58:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:58:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:58:30,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:58:30,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:58:30,570 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 13:58:30,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:58:30,583 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:58:30,583 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:58:30,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:30 BoogieIcfgContainer [2024-11-13 13:58:30,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:58:30,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:58:30,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:58:30,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:58:30,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:58:28" (1/3) ... [2024-11-13 13:58:30,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bab9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:30, skipping insertion in model container [2024-11-13 13:58:30,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:30" (2/3) ... [2024-11-13 13:58:30,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bab9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:30, skipping insertion in model container [2024-11-13 13:58:30,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:30" (3/3) ... [2024-11-13 13:58:30,594 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_09_bad.i [2024-11-13 13:58:30,613 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:58:30,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_09_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:58:30,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:58:30,710 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=PETRI_NET, 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;@29a2116f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:58:30,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:58:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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 13:58:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:58:30,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:30,726 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:30,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:58:30,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:30,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-13 13:58:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:30,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812942783] [2024-11-13 13:58:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:30,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:31,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:58:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:31,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:31,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812942783] [2024-11-13 13:58:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812942783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:31,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:31,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:58:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283060551] [2024-11-13 13:58:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:31,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:58:31,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:31,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:58:31,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:58:31,298 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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) Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:58:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:31,511 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-13 13:58:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:58:31,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-13 13:58:31,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:31,520 INFO L225 Difference]: With dead ends: 43 [2024-11-13 13:58:31,520 INFO L226 Difference]: Without dead ends: 14 [2024-11-13 13:58:31,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:58:31,528 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:58:31,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 53 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:58:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-13 13:58:31,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-13 13:58:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:58:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2024-11-13 13:58:31,572 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 11 [2024-11-13 13:58:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:31,573 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2024-11-13 13:58:31,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:58:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-13 13:58:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:58:31,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:31,576 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:31,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:58:31,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:58:31,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:31,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-13 13:58:31,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:31,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182615129] [2024-11-13 13:58:31,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:31,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:58:31,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:58:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:58:31,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:58:31,651 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:58:31,653 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:58:31,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:58:31,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:58:31,659 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:58:31,680 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:58:31,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:58:31 BoogieIcfgContainer [2024-11-13 13:58:31,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:58:31,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:58:31,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:58:31,685 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:58:31,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:30" (3/4) ... [2024-11-13 13:58:31,688 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:58:31,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:58:31,691 INFO L158 Benchmark]: Toolchain (without parser) took 3317.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.6MB in the beginning and 310.8MB in the end (delta: -220.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,691 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1704.03ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 83.5MB in the end (delta: 6.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.22ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 81.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,692 INFO L158 Benchmark]: Boogie Preprocessor took 33.85ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,693 INFO L158 Benchmark]: RCFGBuilder took 400.57ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.6MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,693 INFO L158 Benchmark]: TraceAbstraction took 1098.53ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.0MB in the beginning and 310.8MB in the end (delta: -242.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,694 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 352.3MB. Free memory was 310.8MB in the beginning and 310.8MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1704.03ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 83.5MB in the end (delta: 6.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.22ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 81.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.85ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.57ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.6MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1098.53ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.0MB in the beginning and 310.8MB in the end (delta: -242.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 352.3MB. Free memory was 310.8MB in the beginning and 310.8MB in the end (delta: 11.7kB). 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: 1559]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_09_bad() [L1550] int data; [L1551] 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] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] 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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 16 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 13:58:31,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:58:34,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:58:34,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:58:34,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:58:34,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:58:34,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:58:34,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:58:34,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:58:34,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:58:34,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:58:34,733 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:58:34,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:58:34,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:58:34,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:58:34,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:58:34,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:58:34,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:58:34,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:58:34,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:58:34,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:58:34,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:58:34,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:58:34,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:58:34,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:34,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:58:34,746 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:58:34,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:58:34,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:58:34,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:58:34,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:58:34,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:58:34,747 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe [2024-11-13 13:58:35,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:58:35,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:58:35,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:58:35,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:58:35,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:58:35,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 13:58:37,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:58:37,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:58:37,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i [2024-11-13 13:58:37,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data/543101c12/2abf51d504f84c6aa5f79df3a52ecbe8/FLAGf8458bdb6 [2024-11-13 13:58:37,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/data/543101c12/2abf51d504f84c6aa5f79df3a52ecbe8 [2024-11-13 13:58:37,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:58:37,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:58:37,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:37,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:58:37,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:58:37,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:37" (1/1) ... [2024-11-13 13:58:37,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e4ceea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:37, skipping insertion in model container [2024-11-13 13:58:37,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:37" (1/1) ... [2024-11-13 13:58:37,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:58:38,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:38,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:58:39,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:39,268 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:58:39,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39 WrapperNode [2024-11-13 13:58:39,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:39,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:39,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:58:39,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:58:39,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,352 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 13:58:39,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:39,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:58:39,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:58:39,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:58:39,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,394 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:58:39,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:58:39,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:58:39,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:58:39,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:58:39,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (1/1) ... [2024-11-13 13:58:39,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:39,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:39,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:58:39,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:58:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:58:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:58:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:58:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:58:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:58:39,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:58:39,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:58:39,948 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 13:58:39,948 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:58:39,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:58:39,964 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:58:39,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:39 BoogieIcfgContainer [2024-11-13 13:58:39,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:58:39,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:58:39,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:58:39,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:58:39,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:58:37" (1/3) ... [2024-11-13 13:58:39,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f52a871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:39, skipping insertion in model container [2024-11-13 13:58:39,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:39" (2/3) ... [2024-11-13 13:58:39,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f52a871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:39, skipping insertion in model container [2024-11-13 13:58:39,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:39" (3/3) ... [2024-11-13 13:58:39,983 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_09_bad.i [2024-11-13 13:58:40,001 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:58:40,003 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_09_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:58:40,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:58:40,099 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=PETRI_NET, 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;@7ab1f6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:58:40,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:58:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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 13:58:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:58:40,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:40,114 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:40,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:58:40,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283690, now seen corresponding path program 1 times [2024-11-13 13:58:40,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:58:40,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400090511] [2024-11-13 13:58:40,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:40,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:40,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:40,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:58:40,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:58:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:40,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:58:40,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:40,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:58:40,420 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:58:40,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400090511] [2024-11-13 13:58:40,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400090511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:40,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:40,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:58:40,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878730470] [2024-11-13 13:58:40,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:40,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:58:40,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:58:40,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:58:40,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:40,460 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:58:40,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:40,512 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-13 13:58:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:58:40,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-13 13:58:40,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:40,522 INFO L225 Difference]: With dead ends: 46 [2024-11-13 13:58:40,523 INFO L226 Difference]: Without dead ends: 12 [2024-11-13 13:58:40,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:40,533 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 11 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:58:40,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 44 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:58:40,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-13 13:58:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 13:58:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:58:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 13:58:40,584 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2024-11-13 13:58:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:40,585 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-13 13:58:40,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:58:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 13:58:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 13:58:40,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:40,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:40,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:58:40,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:40,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:58:40,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:40,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-13 13:58:40,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:58:40,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614117706] [2024-11-13 13:58:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:40,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:58:40,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:58:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:58:40,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:58:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:58:40,957 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:58:40,957 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:58:40,959 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:58:40,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:58:40,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:58:41,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:41,170 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:58:41,193 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:58:41,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:58:41 BoogieIcfgContainer [2024-11-13 13:58:41,197 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:58:41,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:58:41,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:58:41,198 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:58:41,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:39" (3/4) ... [2024-11-13 13:58:41,202 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:58:41,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:58:41,204 INFO L158 Benchmark]: Toolchain (without parser) took 3467.48ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 89.4MB in the beginning and 250.5MB in the end (delta: -161.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-13 13:58:41,205 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:41,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.80ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.6MB in the end (delta: 21.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 13:58:41,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.74ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:41,206 INFO L158 Benchmark]: Boogie Preprocessor took 77.82ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:41,206 INFO L158 Benchmark]: RCFGBuilder took 532.71ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 50.0MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:58:41,206 INFO L158 Benchmark]: TraceAbstraction took 1229.42ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 49.5MB in the beginning and 250.6MB in the end (delta: -201.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:41,207 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 293.6MB. Free memory was 250.6MB in the beginning and 250.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:41,209 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 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.80ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.6MB in the end (delta: 21.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.74ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.82ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 532.71ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 50.0MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1229.42ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 49.5MB in the beginning and 250.6MB in the end (delta: -201.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 293.6MB. Free memory was 250.6MB in the beginning and 250.5MB in the end (delta: 42.6kB). 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: 1559]: 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 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_09_bad() [L1550] int data; [L1551] 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] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] 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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 26 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 13:58:41,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c543387-9b7f-4921-859c-42f5cca7a479/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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