./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_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_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/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_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/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_56d27106-818a-4119-b3ab-88ffc5f50b93/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 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:58:06,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:58:06,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 12:58:06,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:58:06,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:58:06,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:58:06,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:58:07,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:58:07,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:58:07,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:58:07,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:58:07,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:58:07,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:58:07,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:58:07,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:58:07,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:58:07,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:58:07,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:58:07,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:58:07,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:58:07,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:58:07,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:58:07,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:58:07,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:58:07,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:58:07,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:07,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:58:07,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:58:07,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:58:07,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:58:07,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:58:07,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:58:07,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:58:07,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:58:07,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:58:07,005 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_56d27106-818a-4119-b3ab-88ffc5f50b93/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 -> 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 [2024-11-13 12:58:07,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:58:07,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:58:07,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:58:07,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:58:07,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:58:07,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i Unable to find full path for "g++" [2024-11-13 12:58:09,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:58:09,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:58:09,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i [2024-11-13 12:58:09,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data/da79ce1b6/7fcda910538e43a1a84f710365401dbc/FLAG95b8815fb [2024-11-13 12:58:09,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data/da79ce1b6/7fcda910538e43a1a84f710365401dbc [2024-11-13 12:58:09,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:58:09,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:58:09,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:09,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:58:09,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:58:09,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:09" (1/1) ... [2024-11-13 12:58:09,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2963a6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:09, skipping insertion in model container [2024-11-13 12:58:09,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:09" (1/1) ... [2024-11-13 12:58:09,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:58:10,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:10,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:58:10,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:10,640 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:58:10,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10 WrapperNode [2024-11-13 12:58:10,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:10,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:10,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:58:10,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:58:10,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,687 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-13 12:58:10,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:10,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:58:10,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:58:10,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:58:10,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,708 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:58:10,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:58:10,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:58:10,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:58:10,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:58:10,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (1/1) ... [2024-11-13 12:58:10,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:10,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:10,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:58:10,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:58:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 12:58:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 12:58:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-13 12:58:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-13 12:58:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:58:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:58:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:58:10,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:58:10,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:58:11,114 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 12:58:11,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:58:11,126 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:58:11,127 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 12:58:11,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:11 BoogieIcfgContainer [2024-11-13 12:58:11,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:58:11,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:58:11,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:58:11,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:58:11,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:58:09" (1/3) ... [2024-11-13 12:58:11,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef802eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:11, skipping insertion in model container [2024-11-13 12:58:11,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:10" (2/3) ... [2024-11-13 12:58:11,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef802eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:11, skipping insertion in model container [2024-11-13 12:58:11,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:11" (3/3) ... [2024-11-13 12:58:11,140 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_11_bad.i [2024-11-13 12:58:11,155 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:58:11,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_11_bad.i that has 3 procedures, 28 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 12:58:11,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:58:11,239 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;@6d01206a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:58:11,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 12:58:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 12:58:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 12:58:11,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:11,252 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:11,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:58:11,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:11,260 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2024-11-13 12:58:11,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:11,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192139032] [2024-11-13 12:58:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:11,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:11,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:58:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:11,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:58:11,451 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:58:11,452 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 12:58:11,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 12:58:11,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:58:11,458 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 12:58:11,484 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:58:11,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:58:11 BoogieIcfgContainer [2024-11-13 12:58:11,489 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:58:11,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:58:11,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:58:11,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:58:11,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:11" (3/4) ... [2024-11-13 12:58:11,494 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:58:11,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:58:11,496 INFO L158 Benchmark]: Toolchain (without parser) took 1978.41ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 95.4MB in the end (delta: 21.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 12:58:11,496 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:11,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.29ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 57.8MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 12:58:11,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 142.6MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:11,497 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 53.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:58:11,501 INFO L158 Benchmark]: RCFGBuilder took 408.01ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 111.0MB in the end (delta: -57.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 12:58:11,501 INFO L158 Benchmark]: TraceAbstraction took 359.25ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 95.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:58:11,501 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 142.6MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:11,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.29ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 57.8MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 142.6MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 53.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 408.01ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 111.0MB in the end (delta: -57.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 359.25ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 95.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 142.6MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=28occurred 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, 21 NumberOfCodeBlocks, 21 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 12:58:11,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/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_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/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_56d27106-818a-4119-b3ab-88ffc5f50b93/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 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:58:14,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:58:14,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 12:58:14,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:58:14,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:58:14,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 12:58:14,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:58:14,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:58:14,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:58:14,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:58:14,256 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:58:14,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:58:14,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:58:14,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:58:14,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:58:14,260 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:58:14,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:58:14,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:58:14,261 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:58:14,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:58:14,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:14,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:58:14,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:58:14,263 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_56d27106-818a-4119-b3ab-88ffc5f50b93/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 -> 253edc519cacc160fd6b7c6432d5f8861ca9e197ed6d1e37d3df931fb373f880 [2024-11-13 12:58:14,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:58:14,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:58:14,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:58:14,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:58:14,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:58:14,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i Unable to find full path for "g++" [2024-11-13 12:58:16,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:58:17,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:58:17,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_bad.i [2024-11-13 12:58:17,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data/2302aef65/5b695f7ab43c43389017b20d173351ae/FLAG19fbe8d9e [2024-11-13 12:58:17,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/data/2302aef65/5b695f7ab43c43389017b20d173351ae [2024-11-13 12:58:17,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:58:17,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:58:17,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:17,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:58:17,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:58:17,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:17" (1/1) ... [2024-11-13 12:58:17,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10862a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:17, skipping insertion in model container [2024-11-13 12:58:17,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:17" (1/1) ... [2024-11-13 12:58:17,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:58:18,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:18,203 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:58:18,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:18,525 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:58:18,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18 WrapperNode [2024-11-13 12:58:18,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:18,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:18,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:58:18,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:58:18,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,580 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 12:58:18,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:18,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:58:18,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:58:18,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:58:18,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,611 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:58:18,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:58:18,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:58:18,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:58:18,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:58:18,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (1/1) ... [2024-11-13 12:58:18,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:18,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:18,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:58:18,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:58:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 12:58:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 12:58:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-13 12:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-13 12:58:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:58:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:58:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:58:18,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:58:18,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:58:18,982 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 12:58:18,982 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:58:18,994 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:58:18,995 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 12:58:18,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:18 BoogieIcfgContainer [2024-11-13 12:58:18,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:58:18,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:58:18,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:58:19,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:58:19,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:58:17" (1/3) ... [2024-11-13 12:58:19,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd63d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:19, skipping insertion in model container [2024-11-13 12:58:19,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:18" (2/3) ... [2024-11-13 12:58:19,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd63d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:19, skipping insertion in model container [2024-11-13 12:58:19,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:18" (3/3) ... [2024-11-13 12:58:19,011 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_11_bad.i [2024-11-13 12:58:19,027 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:58:19,029 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_11_bad.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 12:58:19,095 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:58:19,119 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;@77a39c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:58:19,121 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 12:58:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 12:58:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 12:58:19,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:19,134 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:19,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:58:19,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:19,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-13 12:58:19,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:58:19,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848480511] [2024-11-13 12:58:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:19,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:19,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:19,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:19,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:58:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:19,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:58:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:19,347 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 12:58:19,349 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:58:19,350 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 12:58:19,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 12:58:19,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:58:19,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:19,559 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 12:58:19,600 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:58:19,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:58:19 BoogieIcfgContainer [2024-11-13 12:58:19,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:58:19,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:58:19,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:58:19,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:58:19,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:18" (3/4) ... [2024-11-13 12:58:19,616 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:58:19,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:58:19,619 INFO L158 Benchmark]: Toolchain (without parser) took 2506.24ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.0MB in the end (delta: 14.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 12:58:19,620 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:19,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.89ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 52.3MB in the end (delta: 4.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 12:58:19,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.62ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:19,623 INFO L158 Benchmark]: Boogie Preprocessor took 49.90ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:19,625 INFO L158 Benchmark]: RCFGBuilder took 362.28ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 34.9MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:58:19,625 INFO L158 Benchmark]: TraceAbstraction took 608.56ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 43.4MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:19,626 INFO L158 Benchmark]: Witness Printer took 10.53ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:19,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1411.89ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 52.3MB in the end (delta: 4.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.62ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.90ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.28ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 34.9MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 608.56ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 43.4MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.53ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, 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=26occurred 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, 19 NumberOfCodeBlocks, 19 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 12:58:19,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d27106-818a-4119-b3ab-88ffc5f50b93/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