./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:07:39,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:07:39,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:07:39,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:07:39,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:07:39,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:07:39,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:07:39,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:07:39,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:07:39,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:07:39,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:07:39,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:07:39,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:07:39,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:07:39,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:07:39,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:07:39,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:07:39,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:07:39,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:39,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:07:39,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:07:39,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:07:39,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:07:39,717 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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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 -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2024-11-13 15:07:40,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:07:40,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:07:40,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:07:40,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:07:40,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:07:40,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 15:07:42,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:07:42,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:07:42,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-13 15:07:42,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data/2382c98f9/c28860131c2241a9a0bed3ad725bf308/FLAG9fa7f0397 [2024-11-13 15:07:42,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data/2382c98f9/c28860131c2241a9a0bed3ad725bf308 [2024-11-13 15:07:42,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:07:42,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:07:42,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:42,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:07:42,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:07:42,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:42" (1/1) ... [2024-11-13 15:07:42,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34342089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:42, skipping insertion in model container [2024-11-13 15:07:42,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:42" (1/1) ... [2024-11-13 15:07:42,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:07:43,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:43,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:07:43,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:43,844 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:07:43,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43 WrapperNode [2024-11-13 15:07:43,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:43,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:43,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:07:43,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:07:43,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,891 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-13 15:07:43,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:43,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:07:43,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:07:43,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:07:43,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,906 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,919 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:07:43,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:07:43,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:07:43,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:07:43,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:07:43,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (1/1) ... [2024-11-13 15:07:43,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:43,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:43,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:07:43,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:07:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:07:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:07:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:07:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:07:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:07:44,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:07:44,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:07:44,457 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 15:07:44,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:07:44,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:07:44,466 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:07:44,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:44 BoogieIcfgContainer [2024-11-13 15:07:44,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:07:44,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:07:44,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:07:44,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:07:44,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:07:42" (1/3) ... [2024-11-13 15:07:44,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8c6ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:44, skipping insertion in model container [2024-11-13 15:07:44,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:43" (2/3) ... [2024-11-13 15:07:44,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8c6ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:44, skipping insertion in model container [2024-11-13 15:07:44,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:44" (3/3) ... [2024-11-13 15:07:44,475 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-13 15:07:44,491 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:07:44,493 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_predec_61_bad.i that has 2 procedures, 42 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:07:44,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:07:44,566 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;@24f7ac4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:07:44,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:07:44,570 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 15:07:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:07:44,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:44,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:44,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:07:44,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:44,584 INFO L85 PathProgramCache]: Analyzing trace with hash 73723781, now seen corresponding path program 1 times [2024-11-13 15:07:44,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:44,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239179367] [2024-11-13 15:07:44,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:44,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:07:44,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:07:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:07:44,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:07:44,809 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:07:44,810 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:07:44,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:07:44,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:07:44,819 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:07:44,855 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:07:44,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:07:44 BoogieIcfgContainer [2024-11-13 15:07:44,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:07:44,860 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:07:44,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:07:44,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:07:44,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:44" (3/4) ... [2024-11-13 15:07:44,864 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:07:44,864 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:07:44,868 INFO L158 Benchmark]: Toolchain (without parser) took 2263.16ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 67.7MB in the end (delta: 47.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-13 15:07:44,868 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:44,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.66ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 105.7MB in the end (delta: 9.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 15:07:44,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:07:44,869 INFO L158 Benchmark]: Boogie Preprocessor took 39.95ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:44,870 INFO L158 Benchmark]: RCFGBuilder took 533.34ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 85.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:07:44,870 INFO L158 Benchmark]: TraceAbstraction took 391.14ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 67.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:07:44,870 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 142.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:44,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.66ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 105.7MB in the end (delta: 9.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.95ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.34ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 85.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 391.14ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 67.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 142.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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] [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] 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] [L1570] 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] [L1570] 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] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] 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] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 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, 0.0s 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 15:07:44,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:07:47,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:07:47,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 15:07:47,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:07:47,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:07:47,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 15:07:47,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:07:47,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:07:47,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:07:47,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:07:47,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:07:47,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:07:47,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:07:47,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:07:47,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:07:47,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:07:47,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:07:47,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:07:47,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:07:47,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:07:47,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:47,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:07:47,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:07:47,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:07:47,697 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_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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 -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2024-11-13 15:07:48,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:07:48,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:07:48,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:07:48,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:07:48,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:07:48,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 15:07:50,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:07:50,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:07:50,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-13 15:07:50,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data/99f769524/dd1f9307e4c6462090407a37b6c54949/FLAG41e71bdb0 [2024-11-13 15:07:50,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/data/99f769524/dd1f9307e4c6462090407a37b6c54949 [2024-11-13 15:07:50,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:07:50,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:07:50,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:50,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:07:50,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:07:50,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:50" (1/1) ... [2024-11-13 15:07:50,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46283950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:50, skipping insertion in model container [2024-11-13 15:07:50,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:50" (1/1) ... [2024-11-13 15:07:50,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:07:51,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:51,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:07:51,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:51,917 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:07:51,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51 WrapperNode [2024-11-13 15:07:51,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:51,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:51,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:07:51,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:07:51,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:51,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:51,976 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 15:07:51,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:51,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:07:51,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:07:51,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:07:51,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:51,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:51,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:51,998 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:07:51,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:51,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:52,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:52,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:52,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:52,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:52,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:07:52,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:07:52,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:07:52,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:07:52,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (1/1) ... [2024-11-13 15:07:52,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:52,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:52,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:07:52,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:07:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 15:07:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 15:07:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:07:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:07:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:07:52,256 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:07:52,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:07:52,447 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 15:07:52,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:07:52,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:07:52,456 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:07:52,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:52 BoogieIcfgContainer [2024-11-13 15:07:52,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:07:52,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:07:52,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:07:52,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:07:52,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:07:50" (1/3) ... [2024-11-13 15:07:52,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752a7e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:52, skipping insertion in model container [2024-11-13 15:07:52,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:51" (2/3) ... [2024-11-13 15:07:52,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752a7e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:52, skipping insertion in model container [2024-11-13 15:07:52,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:52" (3/3) ... [2024-11-13 15:07:52,469 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-13 15:07:52,485 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:07:52,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_predec_61_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 15:07:52,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:07:52,565 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;@7f860dee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:07:52,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 15:07:52,570 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 15:07:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 15:07:52,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:52,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:52,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 15:07:52,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:52,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2024-11-13 15:07:52,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:07:52,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925245721] [2024-11-13 15:07:52,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:52,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:52,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:52,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:52,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:07:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:07:52,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:07:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:07:52,881 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:07:52,883 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:07:52,884 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 15:07:52,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 15:07:52,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:07:53,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:53,091 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:07:53,123 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:07:53,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:07:53 BoogieIcfgContainer [2024-11-13 15:07:53,129 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:07:53,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:07:53,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:07:53,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:07:53,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:52" (3/4) ... [2024-11-13 15:07:53,135 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:07:53,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:07:53,140 INFO L158 Benchmark]: Toolchain (without parser) took 2635.95ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 79.5MB in the end (delta: 10.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-13 15:07:53,140 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:53,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1417.17ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 76.8MB in the end (delta: 13.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 15:07:53,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.06ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:53,141 INFO L158 Benchmark]: Boogie Preprocessor took 36.38ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:53,141 INFO L158 Benchmark]: RCFGBuilder took 443.22ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 58.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:07:53,141 INFO L158 Benchmark]: TraceAbstraction took 669.16ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 80.2MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:53,141 INFO L158 Benchmark]: Witness Printer took 6.27ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.5MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:53,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1417.17ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 76.8MB in the end (delta: 13.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.06ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.38ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.22ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 58.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 669.16ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 80.2MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.27ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.5MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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] [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] 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] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] 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] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.1s 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 15:07:53,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42db8f67-b52b-41e7-bf28-40c0c727a1fe/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