./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_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_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/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_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/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_50230ec7-b321-41a4-9cf2-a689e11fd159/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 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:12:45,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:12:45,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:12:45,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:12:45,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:12:45,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:12:45,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:12:45,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:12:45,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:12:45,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:12:45,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:12:45,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:12:45,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:12:45,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:12:45,556 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:12:45,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:12:45,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:12:45,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:12:45,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:12:45,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:12:45,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:12:45,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:12:45,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:12:45,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:12:45,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:45,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:12:45,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:12:45,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:12:45,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:12:45,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:12:45,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:12:45,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:12:45,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:12:45,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:12:45,560 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_50230ec7-b321-41a4-9cf2-a689e11fd159/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 -> 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 [2024-11-13 15:12:45,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:12:45,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:12:45,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:12:45,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:12:45,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:12:45,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i Unable to find full path for "g++" [2024-11-13 15:12:47,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:12:48,280 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:12:48,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i [2024-11-13 15:12:48,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data/85511fdca/8e36e2960e4c431280c7dfcada143b9c/FLAGeaafd7b09 [2024-11-13 15:12:48,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data/85511fdca/8e36e2960e4c431280c7dfcada143b9c [2024-11-13 15:12:48,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:12:48,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:12:48,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:48,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:12:48,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:12:48,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:48" (1/1) ... [2024-11-13 15:12:48,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199814e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:48, skipping insertion in model container [2024-11-13 15:12:48,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:48" (1/1) ... [2024-11-13 15:12:48,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:12:49,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:49,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:12:49,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:49,684 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:12:49,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49 WrapperNode [2024-11-13 15:12:49,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:49,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:49,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:12:49,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:12:49,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,749 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-13 15:12:49,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:49,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:12:49,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:12:49,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:12:49,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,771 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:12:49,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:12:49,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:12:49,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:12:49,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:12:49,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:49,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:49,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:12:49,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:12:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:12:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:12:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:12:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:12:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:12:50,006 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:12:50,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:12:50,152 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 15:12:50,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:12:50,165 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:12:50,166 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:12:50,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:50 BoogieIcfgContainer [2024-11-13 15:12:50,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:12:50,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:12:50,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:12:50,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:12:50,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:12:48" (1/3) ... [2024-11-13 15:12:50,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce8fb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:50, skipping insertion in model container [2024-11-13 15:12:50,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (2/3) ... [2024-11-13 15:12:50,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce8fb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:50, skipping insertion in model container [2024-11-13 15:12:50,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:50" (3/3) ... [2024-11-13 15:12:50,177 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_53_bad.i [2024-11-13 15:12:50,193 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:12:50,197 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_53_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:12:50,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:12:50,286 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;@6d80ea0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:12:50,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:12:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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 15:12:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:12:50,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:50,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:50,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:12:50,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:50,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-13 15:12:50,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:50,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327476435] [2024-11-13 15:12:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:50,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:12:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:50,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:12:50,469 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:12:50,470 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:12:50,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:12:50,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:12:50,481 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:12:50,508 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:12:50,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:12:50 BoogieIcfgContainer [2024-11-13 15:12:50,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:12:50,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:12:50,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:12:50,516 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:12:50,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:50" (3/4) ... [2024-11-13 15:12:50,518 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:12:50,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:12:50,520 INFO L158 Benchmark]: Toolchain (without parser) took 2092.69ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 50.8MB in the end (delta: 39.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,521 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.97ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 81.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.69ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,524 INFO L158 Benchmark]: Boogie Preprocessor took 31.84ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,525 INFO L158 Benchmark]: RCFGBuilder took 384.00ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 65.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,525 INFO L158 Benchmark]: TraceAbstraction took 345.69ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 50.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,525 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 117.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.97ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 81.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.69ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.84ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.00ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 65.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 345.69ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 50.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 117.4MB. Free memory is still 50.8MB. 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_53d_badSink(data) [L1577] --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: 1577]: 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, 22 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=22occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:12:50,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/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_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/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_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/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_50230ec7-b321-41a4-9cf2-a689e11fd159/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 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:12:53,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:12:53,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 15:12:53,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:12:53,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:12:53,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 15:12:53,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:12:53,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:12:53,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:12:53,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:12:53,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:12:53,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:12:53,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:12:53,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:12:53,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:12:53,324 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:12:53,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:12:53,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:12:53,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:12:53,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:12:53,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:12:53,327 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:12:53,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:12:53,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:12:53,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:12:53,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:12:53,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:12:53,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:12:53,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:53,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:12:53,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:12:53,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:12:53,329 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:12:53,329 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:12:53,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:12:53,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:12:53,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:12:53,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:12:53,330 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_50230ec7-b321-41a4-9cf2-a689e11fd159/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 -> 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 [2024-11-13 15:12:53,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:12:53,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:12:53,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:12:53,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:12:53,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:12:53,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i Unable to find full path for "g++" [2024-11-13 15:12:55,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:12:56,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:12:56,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i [2024-11-13 15:12:56,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data/7df20e487/19acffa4b4b249dd9e468094d4b18af7/FLAGe60a3c434 [2024-11-13 15:12:56,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/data/7df20e487/19acffa4b4b249dd9e468094d4b18af7 [2024-11-13 15:12:56,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:12:56,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:12:56,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:56,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:12:56,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:12:56,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:56" (1/1) ... [2024-11-13 15:12:56,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a16cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:56, skipping insertion in model container [2024-11-13 15:12:56,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:56" (1/1) ... [2024-11-13 15:12:56,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:12:57,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:57,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:12:57,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:57,760 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:12:57,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57 WrapperNode [2024-11-13 15:12:57,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:57,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:57,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:12:57,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:12:57,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,840 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-13 15:12:57,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:57,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:12:57,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:12:57,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:12:57,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,875 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:12:57,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:12:57,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:12:57,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:12:57,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:12:57,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:57,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:12:57,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:12:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:12:58,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:12:58,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:12:58,286 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 15:12:58,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:12:58,295 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:12:58,296 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:12:58,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:58 BoogieIcfgContainer [2024-11-13 15:12:58,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:12:58,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:12:58,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:12:58,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:12:58,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:12:56" (1/3) ... [2024-11-13 15:12:58,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a87d3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:58, skipping insertion in model container [2024-11-13 15:12:58,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (2/3) ... [2024-11-13 15:12:58,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a87d3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:58, skipping insertion in model container [2024-11-13 15:12:58,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:58" (3/3) ... [2024-11-13 15:12:58,306 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_53_bad.i [2024-11-13 15:12:58,322 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:12:58,323 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_53_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:12:58,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:12:58,394 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;@5466a364, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:12:58,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:12:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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 15:12:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:12:58,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:58,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:58,406 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:12:58,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-13 15:12:58,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:12:58,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188269980] [2024-11-13 15:12:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:58,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:58,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:58,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:58,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:12:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:58,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:12:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:58,643 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:12:58,644 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:12:58,645 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:12:58,648 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:12:58,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:12:58,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:58,853 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:12:58,879 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:12:58,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:12:58 BoogieIcfgContainer [2024-11-13 15:12:58,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:12:58,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:12:58,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:12:58,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:12:58,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:58" (3/4) ... [2024-11-13 15:12:58,892 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:12:58,893 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:12:58,896 INFO L158 Benchmark]: Toolchain (without parser) took 2778.13ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 42.1MB in the end (delta: 14.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,897 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1642.70ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.6MB in the end (delta: 6.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.50ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,898 INFO L158 Benchmark]: Boogie Preprocessor took 51.27ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 45.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,902 INFO L158 Benchmark]: RCFGBuilder took 403.10ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 33.2MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,902 INFO L158 Benchmark]: TraceAbstraction took 586.01ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 42.6MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,902 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.1MB in the end (delta: 435.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1642.70ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.6MB in the end (delta: 6.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.50ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.27ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 45.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.10ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 33.2MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 586.01ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 42.6MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.1MB in the end (delta: 435.5kB). 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_53d_badSink(data) [L1577] --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: 1577]: 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, 22 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=22occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:12:58,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50230ec7-b321-41a4-9cf2-a689e11fd159/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