./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_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_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/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_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/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_bfe57c28-2d72-425f-b985-17808831067c/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:50:34,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:50:34,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:50:34,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:50:34,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:50:35,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:50:35,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:50:35,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:50:35,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:50:35,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:50:35,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:50:35,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:50:35,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:50:35,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:50:35,014 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:50:35,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:50:35,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:50:35,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:50:35,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:50:35,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:50:35,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:50:35,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:50:35,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:50:35,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:50:35,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:50:35,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:35,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:50:35,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:50:35,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:50:35,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:50:35,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:50:35,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:50:35,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:50:35,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:50:35,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:50:35,020 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_bfe57c28-2d72-425f-b985-17808831067c/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 -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2024-11-13 14:50:35,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:50:35,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:50:35,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:50:35,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:50:35,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:50:35,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 14:50:37,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:50:38,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:50:38,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-13 14:50:38,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data/5e54b07c0/e1570df4f3984287aedba29554a8d45c/FLAG93d7ebe0e [2024-11-13 14:50:38,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data/5e54b07c0/e1570df4f3984287aedba29554a8d45c [2024-11-13 14:50:38,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:50:38,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:50:38,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:38,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:50:38,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:50:38,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:38" (1/1) ... [2024-11-13 14:50:38,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595daee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:38, skipping insertion in model container [2024-11-13 14:50:38,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:38" (1/1) ... [2024-11-13 14:50:38,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:50:39,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:39,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:50:39,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:39,981 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:50:39,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39 WrapperNode [2024-11-13 14:50:39,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:39,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:39,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:50:39,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:50:39,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,064 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-13 14:50:40,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:40,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:50:40,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:50:40,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:50:40,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,106 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:50:40,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:50:40,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:50:40,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:50:40,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:50:40,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (1/1) ... [2024-11-13 14:50:40,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:40,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:50:40,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:50:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:50:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:50:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:50:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:50:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:50:40,477 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:50:40,479 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:50:40,592 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 14:50:40,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:50:40,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:50:40,606 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:50:40,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:40 BoogieIcfgContainer [2024-11-13 14:50:40,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:50:40,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:50:40,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:50:40,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:50:40,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:50:38" (1/3) ... [2024-11-13 14:50:40,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff8da06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:40, skipping insertion in model container [2024-11-13 14:50:40,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:39" (2/3) ... [2024-11-13 14:50:40,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff8da06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:40, skipping insertion in model container [2024-11-13 14:50:40,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:40" (3/3) ... [2024-11-13 14:50:40,619 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-13 14:50:40,640 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:50:40,642 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_21_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:50:40,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:50:40,745 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;@c7db92b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:50:40,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:50:40,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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 14:50:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 14:50:40,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:40,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:40,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:50:40,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:40,766 INFO L85 PathProgramCache]: Analyzing trace with hash 2097187084, now seen corresponding path program 1 times [2024-11-13 14:50:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:40,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499731800] [2024-11-13 14:50:40,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:40,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:40,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:50:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:40,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:50:40,976 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:50:40,978 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:50:40,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:50:40,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:50:40,986 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:50:41,015 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:50:41,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:50:41 BoogieIcfgContainer [2024-11-13 14:50:41,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:50:41,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:50:41,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:50:41,020 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:50:41,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:40" (3/4) ... [2024-11-13 14:50:41,024 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:50:41,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:50:41,026 INFO L158 Benchmark]: Toolchain (without parser) took 2770.36ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 75.1MB in the end (delta: 21.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:41,026 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:41,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.88ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 37.0MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 14:50:41,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.61ms. Allocated memory is still 142.6MB. Free memory was 37.0MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:41,028 INFO L158 Benchmark]: Boogie Preprocessor took 67.15ms. Allocated memory is still 142.6MB. Free memory was 34.5MB in the beginning and 33.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:41,028 INFO L158 Benchmark]: RCFGBuilder took 473.24ms. Allocated memory is still 142.6MB. Free memory was 33.2MB in the beginning and 89.9MB in the end (delta: -56.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:41,029 INFO L158 Benchmark]: TraceAbstraction took 408.85ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 75.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:41,029 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:41,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.88ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 37.0MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.61ms. Allocated memory is still 142.6MB. Free memory was 37.0MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.15ms. Allocated memory is still 142.6MB. Free memory was 34.5MB in the beginning and 33.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 473.24ms. Allocated memory is still 142.6MB. Free memory was 33.2MB in the beginning and 89.9MB in the end (delta: -56.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 408.85ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 75.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 14:50:41,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/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_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/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_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/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_bfe57c28-2d72-425f-b985-17808831067c/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:50:44,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:50:44,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:50:44,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:50:44,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:50:44,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:50:44,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:50:44,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:50:44,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:50:44,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:50:44,869 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:50:44,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:50:44,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:50:44,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:50:44,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:50:44,871 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:50:44,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:50:44,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:50:44,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:50:44,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:50:44,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:50:44,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:50:44,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:50:44,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:50:44,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:50:44,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:50:44,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:50:44,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:44,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:50:44,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:50:44,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:50:44,878 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_bfe57c28-2d72-425f-b985-17808831067c/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 -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2024-11-13 14:50:45,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:50:45,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:50:45,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:50:45,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:50:45,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:50:45,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i Unable to find full path for "g++" [2024-11-13 14:50:47,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:50:48,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:50:48,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-13 14:50:48,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data/560d41ae4/1b1332572dc64d84a894d71ce809fe9d/FLAG9e44e0b42 [2024-11-13 14:50:48,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/data/560d41ae4/1b1332572dc64d84a894d71ce809fe9d [2024-11-13 14:50:48,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:50:48,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:50:48,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:48,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:50:48,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:50:48,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:48" (1/1) ... [2024-11-13 14:50:48,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461229de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:48, skipping insertion in model container [2024-11-13 14:50:48,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:48" (1/1) ... [2024-11-13 14:50:48,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:50:49,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:49,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:50:49,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:50,155 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:50:50,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50 WrapperNode [2024-11-13 14:50:50,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:50,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:50,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:50:50,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:50:50,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,248 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-13 14:50:50,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:50,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:50:50,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:50:50,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:50:50,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,290 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:50:50,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:50:50,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:50:50,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:50:50,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:50:50,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (1/1) ... [2024-11-13 14:50:50,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:50,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:50,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:50:50,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:50:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:50:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:50:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:50:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:50:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:50:50,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:50:50,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:50:50,816 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 14:50:50,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:50:50,827 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:50:50,828 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:50:50,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:50 BoogieIcfgContainer [2024-11-13 14:50:50,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:50:50,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:50:50,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:50:50,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:50:50,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:50:48" (1/3) ... [2024-11-13 14:50:50,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d92037a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:50, skipping insertion in model container [2024-11-13 14:50:50,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:50" (2/3) ... [2024-11-13 14:50:50,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d92037a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:50, skipping insertion in model container [2024-11-13 14:50:50,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:50" (3/3) ... [2024-11-13 14:50:50,843 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-13 14:50:50,863 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:50:50,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_21_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:50:50,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:50:50,945 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;@61e81475, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:50:50,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:50:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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 14:50:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 14:50:50,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:50,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:50:50,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:50:50,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2097187084, now seen corresponding path program 1 times [2024-11-13 14:50:50,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:50:50,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949226058] [2024-11-13 14:50:50,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:50,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:50,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:50,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:50:50,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:50:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:51,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:50:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:51,232 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:50:51,235 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:50:51,238 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:50:51,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:50:51,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 14:50:51,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:50:51,450 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:50:51,502 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:50:51,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:50:51 BoogieIcfgContainer [2024-11-13 14:50:51,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:50:51,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:50:51,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:50:51,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:50:51,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:50" (3/4) ... [2024-11-13 14:50:51,511 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:50:51,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:50:51,514 INFO L158 Benchmark]: Toolchain (without parser) took 3350.19ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 84.3MB in the end (delta: 5.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-13 14:50:51,514 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:51,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1991.79ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 76.6MB in the end (delta: 13.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 14:50:51,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.20ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:51,515 INFO L158 Benchmark]: Boogie Preprocessor took 82.24ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:51,516 INFO L158 Benchmark]: RCFGBuilder took 497.03ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 59.9MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:50:51,516 INFO L158 Benchmark]: TraceAbstraction took 674.06ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 84.3MB in the end (delta: -25.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-13 14:50:51,517 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:51,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1991.79ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 76.6MB in the end (delta: 13.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.20ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 82.24ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.03ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 59.9MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 674.06ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 84.3MB in the end (delta: -25.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 14:50:51,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe57c28-2d72-425f-b985-17808831067c/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