./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_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_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/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_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/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_6cc5678f-8cbf-4021-be14-82828396002f/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 a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:32:12,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:32:12,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:32:13,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:32:13,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:32:13,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:32:13,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:32:13,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:32:13,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:32:13,051 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:32:13,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:32:13,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:32:13,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:32:13,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:32:13,053 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:32:13,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:32:13,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:32:13,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:32:13,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:32:13,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:32:13,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:32:13,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:32:13,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:32:13,055 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:32:13,056 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:32:13,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:32:13,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:32:13,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:32:13,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:32:13,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:32:13,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:32:13,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:13,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:32:13,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:32:13,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:32:13,059 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:32:13,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:32:13,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:32:13,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:32:13,060 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:32:13,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:32:13,060 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_6cc5678f-8cbf-4021-be14-82828396002f/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 -> a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac [2024-11-13 14:32:13,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:32:13,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:32:13,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:32:13,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:32:13,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:32:13,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i Unable to find full path for "g++" [2024-11-13 14:32:16,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:32:17,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:32:17,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-13 14:32:17,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data/2765f3d8b/467269863ed64373914ef954ccc59ee6/FLAG0e76e12bf [2024-11-13 14:32:17,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data/2765f3d8b/467269863ed64373914ef954ccc59ee6 [2024-11-13 14:32:17,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:32:17,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:32:17,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:17,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:32:17,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:32:17,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:17" (1/1) ... [2024-11-13 14:32:17,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711db056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:17, skipping insertion in model container [2024-11-13 14:32:17,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:17" (1/1) ... [2024-11-13 14:32:17,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:32:18,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:18,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:32:18,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:19,017 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:32:19,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19 WrapperNode [2024-11-13 14:32:19,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:19,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:19,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:32:19,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:32:19,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,096 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-11-13 14:32:19,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:19,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:32:19,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:32:19,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:32:19,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,148 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-13 14:32:19,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:32:19,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:32:19,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:32:19,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:32:19,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (1/1) ... [2024-11-13 14:32:19,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:19,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:19,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:32:19,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:32:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:32:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:32:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:32:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:32:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:32:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:32:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:32:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:32:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:32:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:32:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:32:19,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:32:19,606 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:32:19,831 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 14:32:19,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:32:19,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:32:19,850 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:32:19,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:19 BoogieIcfgContainer [2024-11-13 14:32:19,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:32:19,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:32:19,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:32:19,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:32:19,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:32:17" (1/3) ... [2024-11-13 14:32:19,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eccb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:19, skipping insertion in model container [2024-11-13 14:32:19,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:19" (2/3) ... [2024-11-13 14:32:19,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eccb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:19, skipping insertion in model container [2024-11-13 14:32:19,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:19" (3/3) ... [2024-11-13 14:32:19,868 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-13 14:32:19,893 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:32:19,896 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:32:20,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:32:20,028 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;@4061584b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:32:20,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:32:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 14:32:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 14:32:20,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:20,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:20,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:32:20,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-13 14:32:20,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:20,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908134296] [2024-11-13 14:32:20,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:20,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:20,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:32:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:20,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:32:20,409 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:32:20,411 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:32:20,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:32:20,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:32:20,422 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:32:20,463 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:32:20,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:32:20 BoogieIcfgContainer [2024-11-13 14:32:20,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:32:20,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:32:20,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:32:20,478 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:32:20,483 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:19" (3/4) ... [2024-11-13 14:32:20,487 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:32:20,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:32:20,489 INFO L158 Benchmark]: Toolchain (without parser) took 3371.90ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 73.1MB in the end (delta: 22.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-13 14:32:20,490 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 167.8MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:20,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1898.17ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 37.6MB in the end (delta: 57.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 14:32:20,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.11ms. Allocated memory is still 142.6MB. Free memory was 37.6MB in the beginning and 35.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:20,492 INFO L158 Benchmark]: Boogie Preprocessor took 95.05ms. Allocated memory is still 142.6MB. Free memory was 35.3MB in the beginning and 33.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:32:20,493 INFO L158 Benchmark]: RCFGBuilder took 657.75ms. Allocated memory is still 142.6MB. Free memory was 33.2MB in the beginning and 90.5MB in the end (delta: -57.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-13 14:32:20,494 INFO L158 Benchmark]: TraceAbstraction took 620.80ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 73.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:32:20,494 INFO L158 Benchmark]: Witness Printer took 9.70ms. Allocated memory is still 142.6MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:20,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 167.8MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1898.17ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 37.6MB in the end (delta: 57.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.11ms. Allocated memory is still 142.6MB. Free memory was 37.6MB in the beginning and 35.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 95.05ms. Allocated memory is still 142.6MB. Free memory was 35.3MB in the beginning and 33.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 657.75ms. Allocated memory is still 142.6MB. Free memory was 33.2MB in the beginning and 90.5MB in the end (delta: -57.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 620.80ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 73.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.70ms. Allocated memory is still 142.6MB. Free memory is still 73.1MB. 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: 1574]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_multiply_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 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: 1574]: 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:32:20,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/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_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/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_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/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_6cc5678f-8cbf-4021-be14-82828396002f/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 a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:32:24,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:32:25,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:32:25,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:32:25,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:32:25,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:32:25,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:32:25,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:32:25,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:32:25,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:32:25,215 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:32:25,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:32:25,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:32:25,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:32:25,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:32:25,217 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:32:25,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:32:25,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:32:25,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:32:25,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:32:25,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:32:25,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:32:25,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:32:25,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:32:25,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:32:25,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:32:25,220 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:32:25,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:32:25,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:32:25,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:32:25,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:32:25,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:32:25,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:32:25,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:32:25,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:25,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:32:25,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:32:25,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:32:25,224 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:32:25,225 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:32:25,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:32:25,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:32:25,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:32:25,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:32:25,226 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_6cc5678f-8cbf-4021-be14-82828396002f/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 -> a5c70f444a3bb6b30e83bffdf1e61714f8f2c3aa7bf7e3910c6ab80a1b5b19ac [2024-11-13 14:32:25,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:32:25,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:32:25,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:32:25,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:32:25,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:32:25,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i Unable to find full path for "g++" [2024-11-13 14:32:28,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:32:29,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:32:29,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-13 14:32:29,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data/b31d71f87/4ee8c2da5cc64447b6deb5309fc076bd/FLAGabf8801fb [2024-11-13 14:32:29,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/data/b31d71f87/4ee8c2da5cc64447b6deb5309fc076bd [2024-11-13 14:32:29,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:32:29,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:32:29,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:29,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:32:29,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:32:29,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:29" (1/1) ... [2024-11-13 14:32:29,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a16ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:29, skipping insertion in model container [2024-11-13 14:32:29,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:29" (1/1) ... [2024-11-13 14:32:29,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:32:31,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:31,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:32:31,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:32:31,759 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:32:31,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31 WrapperNode [2024-11-13 14:32:31,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:32:31,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:31,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:32:31,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:32:31,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,876 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2024-11-13 14:32:31,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:32:31,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:32:31,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:32:31,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:32:31,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,942 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-13 14:32:31,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:31,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:32:31,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:32:31,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:32:31,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:32:31,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (1/1) ... [2024-11-13 14:32:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:32,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:32,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:32:32,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:32:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:32:32,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:32:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:32:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:32:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:32:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:32:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 14:32:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 14:32:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:32:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 14:32:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 14:32:32,450 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:32:32,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:32:32,883 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 14:32:32,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:32:32,906 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:32:32,907 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:32:32,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:32 BoogieIcfgContainer [2024-11-13 14:32:32,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:32:32,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:32:32,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:32:32,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:32:32,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:32:29" (1/3) ... [2024-11-13 14:32:32,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b499fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:32, skipping insertion in model container [2024-11-13 14:32:32,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:31" (2/3) ... [2024-11-13 14:32:32,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b499fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:32, skipping insertion in model container [2024-11-13 14:32:32,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:32" (3/3) ... [2024-11-13 14:32:32,932 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i [2024-11-13 14:32:32,957 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:32:32,960 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fscanf_multiply_67_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:32:33,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:32:33,095 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;@74f65ed9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:32:33,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:32:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 14:32:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 14:32:33,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:33,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:33,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:32:33,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:33,134 INFO L85 PathProgramCache]: Analyzing trace with hash 993488621, now seen corresponding path program 1 times [2024-11-13 14:32:33,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:32:33,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795120513] [2024-11-13 14:32:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:33,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:32:33,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:33,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:32:33,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:32:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:33,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:32:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:32:33,725 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:32:33,727 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:32:33,729 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:32:33,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:32:33,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:32:33,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:32:33,946 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 14:32:33,982 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:32:33,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:32:33 BoogieIcfgContainer [2024-11-13 14:32:33,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:32:33,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:32:33,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:32:33,989 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:32:33,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:32" (3/4) ... [2024-11-13 14:32:33,995 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:32:33,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:32:33,997 INFO L158 Benchmark]: Toolchain (without parser) took 4641.72ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 57.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-13 14:32:33,998 INFO L158 Benchmark]: CDTParser took 4.17ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:33,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2401.63ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 60.3MB in the end (delta: 21.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 14:32:33,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.36ms. Allocated memory is still 109.1MB. Free memory was 60.3MB in the beginning and 57.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:34,000 INFO L158 Benchmark]: Boogie Preprocessor took 104.59ms. Allocated memory is still 109.1MB. Free memory was 57.4MB in the beginning and 55.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:34,000 INFO L158 Benchmark]: RCFGBuilder took 925.03ms. Allocated memory is still 109.1MB. Free memory was 55.3MB in the beginning and 74.3MB in the end (delta: -19.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,001 INFO L158 Benchmark]: TraceAbstraction took 1075.59ms. Allocated memory is still 109.1MB. Free memory was 73.8MB in the beginning and 57.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:32:34,001 INFO L158 Benchmark]: Witness Printer took 7.14ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 57.0MB in the end (delta: 480.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:32:34,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.17ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2401.63ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 60.3MB in the end (delta: 21.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.36ms. Allocated memory is still 109.1MB. Free memory was 60.3MB in the beginning and 57.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 104.59ms. Allocated memory is still 109.1MB. Free memory was 57.4MB in the beginning and 55.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 925.03ms. Allocated memory is still 109.1MB. Free memory was 55.3MB in the beginning and 74.3MB in the end (delta: -19.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1075.59ms. Allocated memory is still 109.1MB. Free memory was 73.8MB in the beginning and 57.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.14ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 57.0MB in the end (delta: 480.9kB). 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: 1574]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_multiply_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 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: 1574]: 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: 0.9s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:32:34,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc5678f-8cbf-4021-be14-82828396002f/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