./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX --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 f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:20:05,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:20:05,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:20:06,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:20:06,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:20:06,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:20:06,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:20:06,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:20:06,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:20:06,056 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:20:06,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:20:06,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:20:06,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:20:06,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:20:06,061 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:20:06,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:20:06,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:20:06,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:20:06,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:20:06,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:20:06,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:20:06,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:20:06,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:20:06,071 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:20:06,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:20:06,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:20:06,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:20:06,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:20:06,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:20:06,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:20:06,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:20:06,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:06,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:20:06,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:20:06,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:20:06,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:20:06,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:20:06,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:20:06,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:20:06,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:20:06,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:20:06,079 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc [2024-11-08 17:20:06,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:20:06,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:20:06,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:20:06,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:20:06,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:20:06,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i Unable to find full path for "g++" [2024-11-08 17:20:08,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:20:09,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:20:09,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2024-11-08 17:20:09,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data/910e2c8d8/dc0b9898e53f45c29416929b466838cc/FLAG5bd0c6eaa [2024-11-08 17:20:09,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data/910e2c8d8/dc0b9898e53f45c29416929b466838cc [2024-11-08 17:20:09,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:20:09,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:20:09,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:20:09,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:20:09,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:20:09,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:20:09" (1/1) ... [2024-11-08 17:20:09,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fd98cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:09, skipping insertion in model container [2024-11-08 17:20:09,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:20:09" (1/1) ... [2024-11-08 17:20:09,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:20:10,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:20:10,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:20:10,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:20:11,034 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:20:11,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11 WrapperNode [2024-11-08 17:20:11,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:20:11,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:20:11,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:20:11,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:20:11,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,096 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 17:20:11,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:20:11,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:20:11,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:20:11,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:20:11,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,129 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:20:11,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:20:11,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:20:11,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:20:11,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:20:11,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (1/1) ... [2024-11-08 17:20:11,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:11,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:11,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:20:11,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:20:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:20:11,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:20:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:20:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:20:11,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:20:11,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:20:11,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:20:11,484 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 17:20:11,484 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:20:11,499 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:20:11,500 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:20:11,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:11 BoogieIcfgContainer [2024-11-08 17:20:11,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:20:11,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:20:11,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:20:11,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:20:11,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:20:09" (1/3) ... [2024-11-08 17:20:11,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d04e838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:20:11, skipping insertion in model container [2024-11-08 17:20:11,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:11" (2/3) ... [2024-11-08 17:20:11,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d04e838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:20:11, skipping insertion in model container [2024-11-08 17:20:11,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:11" (3/3) ... [2024-11-08 17:20:11,509 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_21_bad.i [2024-11-08 17:20:11,525 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:20:11,525 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:20:11,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:20:11,610 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;@6156693b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:20:11,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:20:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 17:20:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:20:11,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:11,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:11,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:20:11,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-08 17:20:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132679936] [2024-11-08 17:20:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:20:11,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:20:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:20:11,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:20:11,936 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:20:11,937 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:20:11,939 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:20:11,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:20:11,945 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:20:11,969 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:20:11,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:20:11 BoogieIcfgContainer [2024-11-08 17:20:11,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:20:11,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:20:11,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:20:11,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:20:11,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:11" (3/4) ... [2024-11-08 17:20:11,980 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:20:11,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:20:11,982 INFO L158 Benchmark]: Toolchain (without parser) took 2644.01ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 80.9MB in the beginning and 107.3MB in the end (delta: -26.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-08 17:20:11,983 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:20:11,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1696.42ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 80.9MB in the beginning and 89.7MB in the end (delta: -8.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-08 17:20:11,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.38ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 86.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:20:11,987 INFO L158 Benchmark]: Boogie Preprocessor took 44.30ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:20:11,988 INFO L158 Benchmark]: RCFGBuilder took 358.34ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 72.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 17:20:11,989 INFO L158 Benchmark]: TraceAbstraction took 470.16ms. Allocated memory is still 155.2MB. Free memory was 71.8MB in the beginning and 107.3MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:20:11,989 INFO L158 Benchmark]: Witness Printer took 7.85ms. Allocated memory is still 155.2MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:20:11,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1696.42ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 80.9MB in the beginning and 89.7MB in the end (delta: -8.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.38ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 86.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.30ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.34ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 72.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 470.16ms. Allocated memory is still 155.2MB. Free memory was 71.8MB in the beginning and 107.3MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.85ms. Allocated memory is still 155.2MB. Free memory is still 107.3MB. 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: 1554]: 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 1571. 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:20:12,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX --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 f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:20:14,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:20:14,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:20:14,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:20:14,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:20:14,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:20:14,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:20:14,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:20:14,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:20:14,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:20:14,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:20:14,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:20:14,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:20:14,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:20:14,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:20:14,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:20:14,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:20:14,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:20:14,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:20:14,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:20:14,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:20:14,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:20:14,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:20:14,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:20:14,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:20:14,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:20:14,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:20:14,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:20:14,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:20:14,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:20:14,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:20:14,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:20:14,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:20:14,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:20:14,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:14,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:20:14,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:20:14,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:20:14,936 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:20:14,936 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:20:14,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:20:14,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:20:14,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:20:14,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:20:14,938 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc [2024-11-08 17:20:15,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:20:15,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:20:15,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:20:15,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:20:15,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:20:15,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i Unable to find full path for "g++" [2024-11-08 17:20:17,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:20:18,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:20:18,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2024-11-08 17:20:18,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data/9f68f6db0/aeb1cefd0d1d4c318fcfa9273d36b498/FLAGa58b22b67 [2024-11-08 17:20:18,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/data/9f68f6db0/aeb1cefd0d1d4c318fcfa9273d36b498 [2024-11-08 17:20:18,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:20:18,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:20:18,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:20:18,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:20:18,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:20:18,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:20:18" (1/1) ... [2024-11-08 17:20:18,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb063ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:18, skipping insertion in model container [2024-11-08 17:20:18,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:20:18" (1/1) ... [2024-11-08 17:20:18,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:20:19,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:20:19,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:20:20,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:20:20,260 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:20:20,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20 WrapperNode [2024-11-08 17:20:20,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:20:20,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:20:20,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:20:20,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:20:20,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,377 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 17:20:20,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:20:20,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:20:20,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:20:20,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:20:20,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,414 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:20:20,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:20:20,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:20:20,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:20:20,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:20:20,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (1/1) ... [2024-11-08 17:20:20,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:20,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:20,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:20:20,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:20:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:20:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:20:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:20:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:20:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:20:20,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:20:20,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:20:20,943 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 17:20:20,943 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:20:20,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:20:20,973 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:20:20,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:20 BoogieIcfgContainer [2024-11-08 17:20:20,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:20:20,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:20:20,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:20:20,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:20:20,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:20:18" (1/3) ... [2024-11-08 17:20:20,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52dbbaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:20:20, skipping insertion in model container [2024-11-08 17:20:20,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:20" (2/3) ... [2024-11-08 17:20:20,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52dbbaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:20:20, skipping insertion in model container [2024-11-08 17:20:20,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:20" (3/3) ... [2024-11-08 17:20:20,988 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_21_bad.i [2024-11-08 17:20:21,011 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:20:21,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:20:21,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:20:21,124 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;@3e188983, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:20:21,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:20:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 17:20:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:20:21,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:21,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:21,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:20:21,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:21,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-08 17:20:21,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:20:21,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869253533] [2024-11-08 17:20:21,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:21,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:21,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:21,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:20:21,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:20:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:20:21,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:20:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:20:21,432 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:20:21,439 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:20:21,441 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:20:21,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:20:21,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:20:21,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:21,650 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:20:21,697 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:20:21,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:20:21 BoogieIcfgContainer [2024-11-08 17:20:21,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:20:21,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:20:21,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:20:21,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:20:21,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:20" (3/4) ... [2024-11-08 17:20:21,714 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:20:21,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:20:21,717 INFO L158 Benchmark]: Toolchain (without parser) took 3492.31ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 46.3MB in the beginning and 74.6MB in the end (delta: -28.2MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-08 17:20:21,718 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 97.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:20:21,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2036.49ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 49.4MB in the end (delta: -3.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-08 17:20:21,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.28ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 76.5MB in the end (delta: -27.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 17:20:21,722 INFO L158 Benchmark]: Boogie Preprocessor took 55.64ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:20:21,724 INFO L158 Benchmark]: RCFGBuilder took 537.85ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 60.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:20:21,726 INFO L158 Benchmark]: TraceAbstraction took 729.52ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 74.6MB in the end (delta: -14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:20:21,726 INFO L158 Benchmark]: Witness Printer took 8.66ms. Allocated memory is still 104.9MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:20:21,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 97.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2036.49ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 49.4MB in the end (delta: -3.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.28ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 76.5MB in the end (delta: -27.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.64ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.85ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 60.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 729.52ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 74.6MB in the end (delta: -14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.66ms. Allocated memory is still 104.9MB. Free memory is still 74.6MB. 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: 1554]: 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 1571. 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); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:20:21,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3446c791-3499-44db-a735-7ce4cc73f32a/bin/uautomizer-verify-jihMAELWvX/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