./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:23:11,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:23:11,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:23:11,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:23:11,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:23:11,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:23:11,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:23:11,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:23:11,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:23:11,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:23:11,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:23:11,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:23:11,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:23:11,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:23:11,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:23:11,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:23:11,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:23:11,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:23:11,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:11,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:23:11,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:23:11,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:23:11,538 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:23:11,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:23:11,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:23:11,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:23:11,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:23:11,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:23:11,539 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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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 -> 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a [2024-11-13 14:23:11,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:23:11,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:23:11,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:23:11,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:23:11,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:23:11,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i Unable to find full path for "g++" [2024-11-13 14:23:13,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:23:14,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:23:14,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-13 14:23:14,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data/5da58bde8/3c7587a477a34b3290f464914968febf/FLAGcdec887d4 [2024-11-13 14:23:14,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data/5da58bde8/3c7587a477a34b3290f464914968febf [2024-11-13 14:23:14,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:23:14,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:23:14,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:14,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:23:14,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:23:14,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:14" (1/1) ... [2024-11-13 14:23:14,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237cac87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:14, skipping insertion in model container [2024-11-13 14:23:14,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:14" (1/1) ... [2024-11-13 14:23:14,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:23:15,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:15,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:23:15,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:15,405 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:23:15,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15 WrapperNode [2024-11-13 14:23:15,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:15,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:15,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:23:15,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:23:15,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,457 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-13 14:23:15,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:15,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:23:15,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:23:15,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:23:15,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,478 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:23:15,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:23:15,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:23:15,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:23:15,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:23:15,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (1/1) ... [2024-11-13 14:23:15,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:15,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:15,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:23:15,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:23:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:23:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:23:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:23:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:23:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:23:15,725 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:23:15,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:23:15,992 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 14:23:15,992 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:23:16,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:23:16,003 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:23:16,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:16 BoogieIcfgContainer [2024-11-13 14:23:16,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:23:16,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:23:16,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:23:16,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:23:16,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:23:14" (1/3) ... [2024-11-13 14:23:16,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ccee28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:16, skipping insertion in model container [2024-11-13 14:23:16,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:15" (2/3) ... [2024-11-13 14:23:16,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ccee28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:16, skipping insertion in model container [2024-11-13 14:23:16,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:16" (3/3) ... [2024-11-13 14:23:16,015 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-13 14:23:16,032 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:23:16,033 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_predec_42_bad.i that has 2 procedures, 42 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:23:16,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:23:16,113 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;@673cf2e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:23:16,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:23:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 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 14:23:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 14:23:16,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:16,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:23:16,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:23:16,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:16,130 INFO L85 PathProgramCache]: Analyzing trace with hash 73723781, now seen corresponding path program 1 times [2024-11-13 14:23:16,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:16,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324329591] [2024-11-13 14:23:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:16,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:16,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:23:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:16,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:23:16,345 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:23:16,346 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:23:16,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:23:16,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:23:16,352 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:23:16,374 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:23:16,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:23:16 BoogieIcfgContainer [2024-11-13 14:23:16,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:23:16,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:23:16,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:23:16,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:23:16,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:16" (3/4) ... [2024-11-13 14:23:16,383 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:23:16,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:23:16,389 INFO L158 Benchmark]: Toolchain (without parser) took 2096.18ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 86.0MB in the end (delta: 29.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 14:23:16,389 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:16,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1113.63ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.5MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 14:23:16,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.29ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 52.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:23:16,391 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:16,391 INFO L158 Benchmark]: RCFGBuilder took 512.67ms. Allocated memory is still 142.6MB. Free memory was 51.0MB in the beginning and 104.0MB in the end (delta: -53.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 14:23:16,392 INFO L158 Benchmark]: TraceAbstraction took 370.10ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 86.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:23:16,392 INFO L158 Benchmark]: Witness Printer took 7.16ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 86.0MB in the end (delta: 772.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:16,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1113.63ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.5MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.29ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 52.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.67ms. Allocated memory is still 142.6MB. Free memory was 51.0MB in the beginning and 104.0MB in the end (delta: -53.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 370.10ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 86.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.16ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 86.0MB in the end (delta: 772.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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 14:23:16,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:23:18,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:23:19,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:23:19,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:23:19,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:23:19,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:23:19,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:23:19,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:23:19,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:23:19,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:23:19,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:23:19,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:23:19,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:23:19,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:23:19,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:23:19,089 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:23:19,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:23:19,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:23:19,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:23:19,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:23:19,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:23:19,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:23:19,107 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:23:19,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:23:19,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:23:19,107 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:23:19,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:23:19,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:23:19,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:23:19,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:23:19,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:23:19,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:23:19,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:23:19,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:23:19,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:19,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:23:19,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:23:19,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:23:19,111 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_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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 -> 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a [2024-11-13 14:23:19,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:23:19,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:23:19,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:23:19,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:23:19,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:23:19,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i Unable to find full path for "g++" [2024-11-13 14:23:21,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:23:21,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:23:21,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-13 14:23:21,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data/b57f38ff7/f9b69c8cf123413e91f0ea624d6f51f1/FLAG730d7b306 [2024-11-13 14:23:21,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/data/b57f38ff7/f9b69c8cf123413e91f0ea624d6f51f1 [2024-11-13 14:23:21,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:23:21,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:23:21,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:21,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:23:21,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:23:21,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:21" (1/1) ... [2024-11-13 14:23:21,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f677c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:21, skipping insertion in model container [2024-11-13 14:23:21,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:21" (1/1) ... [2024-11-13 14:23:21,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:23:22,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:22,772 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:23:22,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:23,037 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:23:23,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23 WrapperNode [2024-11-13 14:23:23,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:23,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:23,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:23:23,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:23:23,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,087 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 14:23:23,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:23,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:23:23,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:23:23,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:23:23,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,117 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:23:23,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:23:23,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:23:23,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:23:23,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:23:23,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (1/1) ... [2024-11-13 14:23:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:23,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:23,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:23:23,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:23:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:23:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:23:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:23:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:23:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:23:23,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:23:23,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:23:23,540 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 14:23:23,540 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:23:23,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:23:23,553 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:23:23,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:23 BoogieIcfgContainer [2024-11-13 14:23:23,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:23:23,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:23:23,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:23:23,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:23:23,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:23:21" (1/3) ... [2024-11-13 14:23:23,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaae5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:23, skipping insertion in model container [2024-11-13 14:23:23,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:23" (2/3) ... [2024-11-13 14:23:23,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaae5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:23, skipping insertion in model container [2024-11-13 14:23:23,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:23" (3/3) ... [2024-11-13 14:23:23,567 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-13 14:23:23,582 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:23:23,583 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_predec_42_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:23:23,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:23:23,645 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;@3bba3f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:23:23,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:23:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:23:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 14:23:23,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:23,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:23:23,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:23:23,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:23,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2024-11-13 14:23:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:23:23,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505816155] [2024-11-13 14:23:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:23,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:23,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:23,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:23:23,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:23:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:23,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:23:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:23,896 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:23:23,898 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:23:23,899 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:23:23,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:23:23,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:23:24,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:24,109 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:23:24,159 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:23:24,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:23:24 BoogieIcfgContainer [2024-11-13 14:23:24,162 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:23:24,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:23:24,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:23:24,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:23:24,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:23" (3/4) ... [2024-11-13 14:23:24,166 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:23:24,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:23:24,168 INFO L158 Benchmark]: Toolchain (without parser) took 2358.96ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 85.4MB in the end (delta: 4.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-13 14:23:24,168 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:24,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.15ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 69.6MB in the end (delta: 19.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 14:23:24,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:24,169 INFO L158 Benchmark]: Boogie Preprocessor took 56.52ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:24,169 INFO L158 Benchmark]: RCFGBuilder took 408.53ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 51.3MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:23:24,169 INFO L158 Benchmark]: TraceAbstraction took 605.54ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 86.1MB in the end (delta: -35.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-13 14:23:24,170 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 117.4MB. Free memory was 86.1MB in the beginning and 85.4MB in the end (delta: 694.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:24,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.15ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 69.6MB in the end (delta: 19.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.52ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.53ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 51.3MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 605.54ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 86.1MB in the end (delta: -35.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 117.4MB. Free memory was 86.1MB in the beginning and 85.4MB in the end (delta: 694.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 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, 12 NumberOfCodeBlocks, 12 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 14:23:24,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe586a99-f7c0-48b6-bacf-15fc43e8a9dc/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