./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:22:27,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:22:27,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:22:27,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:22:27,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:22:27,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:22:27,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:22:27,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:22:27,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:22:27,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:22:27,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:22:27,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:22:27,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:22:27,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:22:27,357 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:22:27,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:22:27,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:22:27,358 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:22:27,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:22:27,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:27,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:22:27,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:22:27,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:22:27,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:22:27,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:22:27,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:22:27,360 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:22:27,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:22:27,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:22:27,361 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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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 -> 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 [2024-11-13 13:22:27,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:22:27,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:22:27,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:22:27,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:22:27,691 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:22:27,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 13:22:29,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:22:30,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:22:30,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i [2024-11-13 13:22:30,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data/4aa45b3f2/455e2d2522604ffba3fa7c982d6152fa/FLAG5fc086917 [2024-11-13 13:22:30,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data/4aa45b3f2/455e2d2522604ffba3fa7c982d6152fa [2024-11-13 13:22:30,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:22:30,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:22:30,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:30,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:22:30,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:22:30,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:30" (1/1) ... [2024-11-13 13:22:30,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1ba268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:30, skipping insertion in model container [2024-11-13 13:22:30,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:30" (1/1) ... [2024-11-13 13:22:30,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:22:31,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:31,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:22:31,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:31,647 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:22:31,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31 WrapperNode [2024-11-13 13:22:31,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:31,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:31,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:22:31,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:22:31,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,726 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-11-13 13:22:31,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:31,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:22:31,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:22:31,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:22:31,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,758 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:22:31,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:22:31,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:22:31,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:22:31,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:22:31,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (1/1) ... [2024-11-13 13:22:31,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:31,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:31,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:22:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:22:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:22:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:22:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:22:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:22:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:22:32,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:22:32,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:22:32,160 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 13:22:32,160 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:22:32,172 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:22:32,172 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:22:32,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:32 BoogieIcfgContainer [2024-11-13 13:22:32,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:22:32,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:22:32,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:22:32,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:22:32,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:22:30" (1/3) ... [2024-11-13 13:22:32,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57857d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:32, skipping insertion in model container [2024-11-13 13:22:32,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:31" (2/3) ... [2024-11-13 13:22:32,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57857d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:32, skipping insertion in model container [2024-11-13 13:22:32,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:32" (3/3) ... [2024-11-13 13:22:32,186 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_01_bad.i [2024-11-13 13:22:32,204 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:22:32,205 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_01_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:22:32,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:22:32,286 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;@48bf9ccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:22:32,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:22:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 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 13:22:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:22:32,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:32,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:32,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:22:32,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:32,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1682904587, now seen corresponding path program 1 times [2024-11-13 13:22:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:32,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99204328] [2024-11-13 13:22:32,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:32,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:32,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:22:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:32,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:22:32,489 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:22:32,491 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:22:32,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:22:32,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:22:32,501 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:22:32,532 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:22:32,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:22:32 BoogieIcfgContainer [2024-11-13 13:22:32,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:22:32,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:22:32,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:22:32,539 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:22:32,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:32" (3/4) ... [2024-11-13 13:22:32,546 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:22:32,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:22:32,548 INFO L158 Benchmark]: Toolchain (without parser) took 2182.26ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 49.4MB in the end (delta: 40.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 13:22:32,548 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:32,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.77ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 80.0MB in the end (delta: 9.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 13:22:32,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.90ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:32,550 INFO L158 Benchmark]: Boogie Preprocessor took 51.55ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:32,550 INFO L158 Benchmark]: RCFGBuilder took 394.00ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 64.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:22:32,550 INFO L158 Benchmark]: TraceAbstraction took 361.89ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 50.0MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:22:32,552 INFO L158 Benchmark]: Witness Printer took 9.19ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 49.4MB in the end (delta: 593.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:32,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.77ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 80.0MB in the end (delta: 9.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.90ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.55ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.00ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 64.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 361.89ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 50.0MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.19ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 49.4MB in the end (delta: 593.8kB). 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: 1555]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] 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] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:22:32,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:22:35,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:22:35,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:22:35,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:22:35,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:22:35,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:22:35,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:22:35,431 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:22:35,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:22:35,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:22:35,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:22:35,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:22:35,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:22:35,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:22:35,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:22:35,439 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:22:35,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:22:35,440 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:22:35,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:35,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:22:35,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:22:35,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:22:35,444 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:22:35,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:22:35,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:22:35,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:22:35,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:22:35,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:22:35,446 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_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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 -> 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 [2024-11-13 13:22:35,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:22:35,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:22:35,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:22:35,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:22:35,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:22:35,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 13:22:37,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:22:38,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:22:38,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i [2024-11-13 13:22:38,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data/3e9300a95/09d2b794c74243c79ea1fa51fd52f130/FLAGf432494aa [2024-11-13 13:22:38,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/data/3e9300a95/09d2b794c74243c79ea1fa51fd52f130 [2024-11-13 13:22:38,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:22:38,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:22:38,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:38,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:22:38,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:22:38,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:38" (1/1) ... [2024-11-13 13:22:38,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5904d2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:38, skipping insertion in model container [2024-11-13 13:22:38,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:38" (1/1) ... [2024-11-13 13:22:38,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:22:39,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:39,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:22:39,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:39,923 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:22:39,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39 WrapperNode [2024-11-13 13:22:39,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:39,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:39,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:22:39,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:22:39,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:39,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:39,976 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-11-13 13:22:39,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:39,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:22:39,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:22:39,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:22:39,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:39,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:39,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,006 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:22:40,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:22:40,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:22:40,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:22:40,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:22:40,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (1/1) ... [2024-11-13 13:22:40,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:40,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:40,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:22:40,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:22:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:22:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:22:40,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:22:40,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:22:40,419 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 13:22:40,419 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:22:40,431 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:22:40,432 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:22:40,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:40 BoogieIcfgContainer [2024-11-13 13:22:40,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:22:40,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:22:40,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:22:40,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:22:40,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:22:38" (1/3) ... [2024-11-13 13:22:40,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a3ea3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:40, skipping insertion in model container [2024-11-13 13:22:40,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:39" (2/3) ... [2024-11-13 13:22:40,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a3ea3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:40, skipping insertion in model container [2024-11-13 13:22:40,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:40" (3/3) ... [2024-11-13 13:22:40,443 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_01_bad.i [2024-11-13 13:22:40,459 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:22:40,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_01_bad.i that has 2 procedures, 20 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:22:40,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:22:40,540 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;@1fc9692a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:22:40,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:22:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 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 13:22:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:22:40,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:40,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:40,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:22:40,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:40,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1682904587, now seen corresponding path program 1 times [2024-11-13 13:22:40,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:22:40,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300404423] [2024-11-13 13:22:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:40,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:40,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:40,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:40,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:22:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:40,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:22:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:40,802 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:22:40,804 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:22:40,806 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:22:40,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:22:40,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:22:41,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:41,016 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 13:22:41,036 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:22:41,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:22:41 BoogieIcfgContainer [2024-11-13 13:22:41,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:22:41,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:22:41,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:22:41,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:22:41,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:40" (3/4) ... [2024-11-13 13:22:41,044 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:22:41,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:22:41,045 INFO L158 Benchmark]: Toolchain (without parser) took 2694.04ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 37.7MB in the end (delta: 51.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 13:22:41,046 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:41,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.04ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 69.0MB in the end (delta: 20.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 13:22:41,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.98ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:41,047 INFO L158 Benchmark]: Boogie Preprocessor took 54.61ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:41,047 INFO L158 Benchmark]: RCFGBuilder took 396.60ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 52.0MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:22:41,047 INFO L158 Benchmark]: TraceAbstraction took 604.67ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 37.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:22:41,048 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 117.4MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:41,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.04ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 69.0MB in the end (delta: 20.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.98ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.61ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.60ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 52.0MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 604.67ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 37.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 117.4MB. Free memory is still 37.7MB. 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: 1555]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] 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] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:22:41,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6c4c9e-f982-4071-a2f8-18e590cd6975/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample