./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_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_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/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_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/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_efe365a9-b4b0-4cc7-b8ea-db316942167e/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 c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:23:24,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:23:24,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:23:24,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:23:24,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:23:24,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:23:24,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:23:24,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:23:24,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:23:24,816 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:23:24,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:23:24,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:23:24,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:23:24,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:23:24,816 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:23:24,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:23:24,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:23:24,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:23:24,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:24,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:23:24,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:23:24,820 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_efe365a9-b4b0-4cc7-b8ea-db316942167e/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 -> c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 [2024-11-13 14:23:25,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:23:25,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:23:25,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:23:25,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:23:25,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:23:25,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i Unable to find full path for "g++" [2024-11-13 14:23:27,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:23:27,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:23:27,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i [2024-11-13 14:23:27,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data/ea84d7bc0/5a61dd58637643baa5335ae57a7f91b4/FLAGa709b2d3d [2024-11-13 14:23:27,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data/ea84d7bc0/5a61dd58637643baa5335ae57a7f91b4 [2024-11-13 14:23:27,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:23:27,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:23:27,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:27,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:23:27,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:23:27,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:27" (1/1) ... [2024-11-13 14:23:27,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0ce26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:27, skipping insertion in model container [2024-11-13 14:23:27,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:27" (1/1) ... [2024-11-13 14:23:27,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:23:28,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:28,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:23:28,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:28,956 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:23:28,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28 WrapperNode [2024-11-13 14:23:28,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:28,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:28,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:23:28,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:23:28,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,035 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 14:23:29,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:29,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:23:29,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:23:29,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:23:29,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,058 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:23:29,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:23:29,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:23:29,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:23:29,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:23:29,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (1/1) ... [2024-11-13 14:23:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:29,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:29,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:23:29,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:23:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:23:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:23:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:23:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:23:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:23:29,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:23:29,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:23:29,428 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 14:23:29,428 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:23:29,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:23:29,439 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:23:29,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:29 BoogieIcfgContainer [2024-11-13 14:23:29,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:23:29,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:23:29,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:23:29,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:23:29,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:23:27" (1/3) ... [2024-11-13 14:23:29,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79218c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:29, skipping insertion in model container [2024-11-13 14:23:29,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:28" (2/3) ... [2024-11-13 14:23:29,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79218c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:29, skipping insertion in model container [2024-11-13 14:23:29,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:29" (3/3) ... [2024-11-13 14:23:29,452 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_52_bad.i [2024-11-13 14:23:29,471 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:23:29,474 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_52_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:23:29,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:23:29,568 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;@6f066b52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:23:29,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:23:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:23:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 14:23:29,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:29,584 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:23:29,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:23:29,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-13 14:23:29,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:29,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684783915] [2024-11-13 14:23:29,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:29,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:29,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:23:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:29,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:23:29,774 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:23:29,775 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:23:29,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:23:29,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:23:29,783 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:23:29,810 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:23:29,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:23:29 BoogieIcfgContainer [2024-11-13 14:23:29,817 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:23:29,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:23:29,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:23:29,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:23:29,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:29" (3/4) ... [2024-11-13 14:23:29,823 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:23:29,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:23:29,827 INFO L158 Benchmark]: Toolchain (without parser) took 2208.89ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 51.8MB in the end (delta: 38.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 14:23:29,827 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:29,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1339.66ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.7MB in the end (delta: 7.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 14:23:29,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.49ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 79.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:23:29,832 INFO L158 Benchmark]: Boogie Preprocessor took 33.26ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:29,832 INFO L158 Benchmark]: RCFGBuilder took 369.72ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 66.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:23:29,832 INFO L158 Benchmark]: TraceAbstraction took 374.85ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 52.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:23:29,833 INFO L158 Benchmark]: Witness Printer took 7.04ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 51.8MB in the end (delta: 580.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:29,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1339.66ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.7MB in the end (delta: 7.7MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.49ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 79.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.26ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.72ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 66.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 374.85ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 52.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.04ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 51.8MB in the end (delta: 580.8kB). 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_52c_badSink(data) [L1572] --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: 1572]: 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:23:29,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/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_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/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_efe365a9-b4b0-4cc7-b8ea-db316942167e/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 c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:23:32,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:23:32,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:23:32,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:23:32,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:23:32,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:23:32,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:23:32,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:23:32,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:23:32,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:23:32,660 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:23:32,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:23:32,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:23:32,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:23:32,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:23:32,666 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:23:32,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:23:32,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:23:32,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:23:32,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:32,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:23:32,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:23:32,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:23:32,669 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:23:32,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:23:32,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:23:32,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:23:32,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:23:32,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:23:32,672 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_efe365a9-b4b0-4cc7-b8ea-db316942167e/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 -> c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 [2024-11-13 14:23:33,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:23:33,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:23:33,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:23:33,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:23:33,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:23:33,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i Unable to find full path for "g++" [2024-11-13 14:23:34,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:23:35,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:23:35,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i [2024-11-13 14:23:35,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data/479907403/e87706ca9a414b0a8734f3ff5a9704b6/FLAG07982850b [2024-11-13 14:23:35,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/data/479907403/e87706ca9a414b0a8734f3ff5a9704b6 [2024-11-13 14:23:35,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:23:35,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:23:35,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:35,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:23:35,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:23:35,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:35" (1/1) ... [2024-11-13 14:23:35,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3877fa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:35, skipping insertion in model container [2024-11-13 14:23:35,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:23:35" (1/1) ... [2024-11-13 14:23:35,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:23:36,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:36,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:23:36,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:23:36,677 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:23:36,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36 WrapperNode [2024-11-13 14:23:36,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:23:36,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:36,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:23:36,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:23:36,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,725 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 14:23:36,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:23:36,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:23:36,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:23:36,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:23:36,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,746 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:23:36,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:23:36,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:23:36,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:23:36,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:23:36,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (1/1) ... [2024-11-13 14:23:36,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:23:36,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:36,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:23:36,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:23:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:23:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:23:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:23:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:23:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:23:37,025 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:23:37,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:23:37,178 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 14:23:37,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:23:37,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:23:37,192 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:23:37,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:37 BoogieIcfgContainer [2024-11-13 14:23:37,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:23:37,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:23:37,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:23:37,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:23:37,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:23:35" (1/3) ... [2024-11-13 14:23:37,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fb037f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:37, skipping insertion in model container [2024-11-13 14:23:37,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:23:36" (2/3) ... [2024-11-13 14:23:37,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fb037f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:23:37, skipping insertion in model container [2024-11-13 14:23:37,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:37" (3/3) ... [2024-11-13 14:23:37,203 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_52_bad.i [2024-11-13 14:23:37,221 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:23:37,222 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_predec_52_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:23:37,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:23:37,292 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;@5aaf11c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:23:37,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:23:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:23:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 14:23:37,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:37,302 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:23:37,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:23:37,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:37,306 INFO L85 PathProgramCache]: Analyzing trace with hash -664697225, now seen corresponding path program 1 times [2024-11-13 14:23:37,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:23:37,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769372975] [2024-11-13 14:23:37,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:37,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:37,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:23:37,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:23:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:37,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:23:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:23:37,501 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:23:37,503 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:23:37,504 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:23:37,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:23:37,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:23:37,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:37,711 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:23:37,730 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:23:37,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:23:37 BoogieIcfgContainer [2024-11-13 14:23:37,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:23:37,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:23:37,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:23:37,734 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:23:37,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:23:37" (3/4) ... [2024-11-13 14:23:37,737 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:23:37,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:23:37,739 INFO L158 Benchmark]: Toolchain (without parser) took 2291.52ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 36.5MB in the end (delta: 52.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 14:23:37,739 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:37,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1227.78ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 68.9MB in the end (delta: 19.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 14:23:37,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.97ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:37,740 INFO L158 Benchmark]: Boogie Preprocessor took 34.77ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 64.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:37,741 INFO L158 Benchmark]: RCFGBuilder took 431.67ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 50.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:23:37,741 INFO L158 Benchmark]: TraceAbstraction took 538.30ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 36.7MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:23:37,741 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 117.4MB. Free memory was 36.7MB in the beginning and 36.5MB in the end (delta: 258.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:23:37,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1227.78ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 68.9MB in the end (delta: 19.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.97ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.77ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 64.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.67ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 50.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 538.30ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 36.7MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 117.4MB. Free memory was 36.7MB in the beginning and 36.5MB in the end (delta: 258.8kB). 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_52c_badSink(data) [L1572] --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: 1572]: 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:23:37,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe365a9-b4b0-4cc7-b8ea-db316942167e/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