./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:46:11,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:46:11,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:46:11,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:46:11,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:46:11,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:46:11,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:46:11,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:46:11,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:46:11,666 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:46:11,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:46:11,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:46:11,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:46:11,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:46:11,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:46:11,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:46:11,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:46:11,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:46:11,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:46:11,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:46:11,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:46:11,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:46:11,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:46:11,671 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:46:11,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:46:11,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:46:11,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:46:11,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:46:11,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:46:11,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:46:11,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:46:11,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:46:11,673 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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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 -> 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb [2024-11-13 14:46:11,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:46:11,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:46:11,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:46:11,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:46:11,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:46:11,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i Unable to find full path for "g++" [2024-11-13 14:46:13,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:46:14,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:46:14,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i [2024-11-13 14:46:14,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data/ed53dd139/86a251ed32fa404494352294b06838c9/FLAG5a57c233e [2024-11-13 14:46:14,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data/ed53dd139/86a251ed32fa404494352294b06838c9 [2024-11-13 14:46:14,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:46:14,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:46:14,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:46:14,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:46:14,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:46:14,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:46:14" (1/1) ... [2024-11-13 14:46:14,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9662f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:14, skipping insertion in model container [2024-11-13 14:46:14,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:46:14" (1/1) ... [2024-11-13 14:46:14,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:46:15,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:46:15,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:46:15,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:46:16,012 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:46:16,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16 WrapperNode [2024-11-13 14:46:16,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:46:16,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:46:16,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:46:16,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:46:16,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,085 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 14:46:16,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:46:16,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:46:16,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:46:16,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:46:16,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,117 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 14:46:16,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:46:16,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:46:16,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:46:16,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:46:16,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (1/1) ... [2024-11-13 14:46:16,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:46:16,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:46:16,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:46:16,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:46:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:46:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:46:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:46:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:46:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:46:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:46:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:46:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:46:16,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:46:16,434 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:46:16,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:46:16,584 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 14:46:16,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:46:16,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:46:16,603 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:46:16,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:16 BoogieIcfgContainer [2024-11-13 14:46:16,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:46:16,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:46:16,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:46:16,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:46:16,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:46:14" (1/3) ... [2024-11-13 14:46:16,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fe9867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:46:16, skipping insertion in model container [2024-11-13 14:46:16,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:16" (2/3) ... [2024-11-13 14:46:16,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fe9867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:46:16, skipping insertion in model container [2024-11-13 14:46:16,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:16" (3/3) ... [2024-11-13 14:46:16,618 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_32_bad.i [2024-11-13 14:46:16,641 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:46:16,643 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_32_bad.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:46:16,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:46:16,752 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;@7e0b401d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:46:16,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:46:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 14:46:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 14:46:16,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:46:16,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:46:16,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:46:16,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:46:16,778 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-13 14:46:16,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:46:16,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715942972] [2024-11-13 14:46:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:46:16,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:46:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:46:16,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:46:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:46:17,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:46:17,014 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:46:17,016 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:46:17,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:46:17,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:46:17,025 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:46:17,050 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:46:17,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:46:17 BoogieIcfgContainer [2024-11-13 14:46:17,054 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:46:17,055 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:46:17,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:46:17,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:46:17,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:16" (3/4) ... [2024-11-13 14:46:17,059 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:46:17,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:46:17,061 INFO L158 Benchmark]: Toolchain (without parser) took 2526.69ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 88.8MB in the end (delta: 24.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-13 14:46:17,062 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:17,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1476.97ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 53.1MB in the end (delta: 59.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 14:46:17,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.52ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 50.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:17,063 INFO L158 Benchmark]: Boogie Preprocessor took 44.04ms. Allocated memory is still 142.6MB. Free memory was 50.5MB in the beginning and 48.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:17,064 INFO L158 Benchmark]: RCFGBuilder took 471.32ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 105.6MB in the end (delta: -56.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-13 14:46:17,064 INFO L158 Benchmark]: TraceAbstraction took 447.83ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 89.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:46:17,065 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 88.8MB in the end (delta: 681.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:17,067 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 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1476.97ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 53.1MB in the end (delta: 59.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.52ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 50.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.04ms. Allocated memory is still 142.6MB. Free memory was 50.5MB in the beginning and 48.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.32ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 105.6MB in the end (delta: -56.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 447.83ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 89.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 88.8MB in the end (delta: 681.2kB). 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: 1562]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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}, 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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: 1562]: 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, 19 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 14:46:17,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:46:19,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:46:20,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:46:20,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:46:20,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:46:20,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:46:20,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:46:20,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:46:20,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:46:20,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:46:20,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:46:20,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:46:20,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:46:20,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:46:20,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:46:20,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:46:20,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:46:20,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:46:20,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:46:20,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:46:20,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:46:20,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:46:20,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:46:20,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:46:20,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:46:20,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:46:20,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:46:20,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:46:20,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:46:20,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:46:20,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:46:20,088 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:46:20,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:46:20,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:46:20,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:46:20,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:46:20,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:46:20,089 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_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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 -> 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb [2024-11-13 14:46:20,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:46:20,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:46:20,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:46:20,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:46:20,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:46:20,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i Unable to find full path for "g++" [2024-11-13 14:46:22,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:46:23,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:46:23,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i [2024-11-13 14:46:23,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data/9dcc141c6/cfc1bfd808014f9d89360c14aa9f9c38/FLAG1b174cb7c [2024-11-13 14:46:23,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/data/9dcc141c6/cfc1bfd808014f9d89360c14aa9f9c38 [2024-11-13 14:46:23,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:46:23,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:46:23,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:46:23,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:46:23,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:46:23,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:46:23" (1/1) ... [2024-11-13 14:46:23,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb8a725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:23, skipping insertion in model container [2024-11-13 14:46:23,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:46:23" (1/1) ... [2024-11-13 14:46:23,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:46:24,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:46:24,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:46:24,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:46:24,828 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:46:24,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24 WrapperNode [2024-11-13 14:46:24,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:46:24,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:46:24,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:46:24,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:46:24,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,904 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 14:46:24,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:46:24,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:46:24,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:46:24,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:46:24,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,957 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 14:46:24,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:46:24,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:46:24,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:46:24,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:46:24,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (1/1) ... [2024-11-13 14:46:24,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:46:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:46:25,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:46:25,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:46:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:46:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:46:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:46:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:46:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:46:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:46:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 14:46:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:46:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 14:46:25,247 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:46:25,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:46:25,432 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 14:46:25,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:46:25,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:46:25,444 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:46:25,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:25 BoogieIcfgContainer [2024-11-13 14:46:25,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:46:25,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:46:25,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:46:25,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:46:25,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:46:23" (1/3) ... [2024-11-13 14:46:25,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab592cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:46:25, skipping insertion in model container [2024-11-13 14:46:25,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:24" (2/3) ... [2024-11-13 14:46:25,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab592cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:46:25, skipping insertion in model container [2024-11-13 14:46:25,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:25" (3/3) ... [2024-11-13 14:46:25,454 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_32_bad.i [2024-11-13 14:46:25,465 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:46:25,466 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_32_bad.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:46:25,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:46:25,532 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;@7d670a63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:46:25,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:46:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 14:46:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 14:46:25,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:46:25,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:46:25,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:46:25,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:46:25,564 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-13 14:46:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:46:25,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338946440] [2024-11-13 14:46:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:46:25,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:46:25,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:46:25,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:46:25,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:46:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:46:25,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:46:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:46:25,865 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:46:25,867 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:46:25,869 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:46:25,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:46:25,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:46:26,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:46:26,078 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:46:26,096 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:46:26,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:46:26 BoogieIcfgContainer [2024-11-13 14:46:26,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:46:26,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:46:26,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:46:26,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:46:26,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:25" (3/4) ... [2024-11-13 14:46:26,103 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:46:26,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:46:26,105 INFO L158 Benchmark]: Toolchain (without parser) took 2904.50ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 43.1MB in the end (delta: 16.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 14:46:26,105 INFO L158 Benchmark]: CDTParser took 2.06ms. Allocated memory is still 83.9MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:26,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1627.84ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 54.4MB in the end (delta: 4.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 14:46:26,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.64ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 51.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:26,106 INFO L158 Benchmark]: Boogie Preprocessor took 81.44ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:26,106 INFO L158 Benchmark]: RCFGBuilder took 455.49ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 36.7MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:46:26,106 INFO L158 Benchmark]: TraceAbstraction took 652.35ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 43.5MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:26,107 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 43.1MB in the end (delta: 409.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:46:26,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.06ms. Allocated memory is still 83.9MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1627.84ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 54.4MB in the end (delta: 4.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.64ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 51.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.44ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.49ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 36.7MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 652.35ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 43.5MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 43.1MB in the end (delta: 409.8kB). 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: 1562]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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}, 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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: 1562]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 14:46:26,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37987b2f-0eb4-4f51-89ed-9baf2ed8b9f5/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