./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX --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 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:31:38,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:31:38,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:31:38,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:31:38,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:31:38,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:31:38,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:31:38,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:31:38,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:31:38,292 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:31:38,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:31:38,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:31:38,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:31:38,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:31:38,294 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:31:38,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:31:38,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:31:38,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:31:38,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:31:38,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:31:38,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:31:38,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:31:38,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:31:38,302 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:31:38,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:31:38,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:31:38,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:31:38,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:31:38,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:31:38,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:31:38,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:31:38,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:31:38,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:31:38,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:31:38,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:31:38,306 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:31:38,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:31:38,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:31:38,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:31:38,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:31:38,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:31:38,308 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 [2024-11-08 18:31:38,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:31:38,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:31:38,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:31:38,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:31:38,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:31:38,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i Unable to find full path for "g++" [2024-11-08 18:31:40,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:31:41,139 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:31:41,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2024-11-08 18:31:41,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data/a98d439e5/d998cd3212de4ecbbf7f7ecfe64cc92f/FLAG7b672cc78 [2024-11-08 18:31:41,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data/a98d439e5/d998cd3212de4ecbbf7f7ecfe64cc92f [2024-11-08 18:31:41,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:31:41,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:31:41,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:31:41,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:31:41,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:31:41,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:41" (1/1) ... [2024-11-08 18:31:41,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f02cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:41, skipping insertion in model container [2024-11-08 18:31:41,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:41" (1/1) ... [2024-11-08 18:31:41,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:31:42,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:31:42,416 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:31:42,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:31:42,844 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:31:42,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42 WrapperNode [2024-11-08 18:31:42,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:31:42,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:31:42,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:31:42,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:31:42,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,933 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-08 18:31:42,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:31:42,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:31:42,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:31:42,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:31:42,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,978 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:31:42,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:42,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:43,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:31:43,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:31:43,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:31:43,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:31:43,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (1/1) ... [2024-11-08 18:31:43,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:31:43,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:31:43,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:31:43,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:31:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:31:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:31:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:31:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:31:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:31:43,244 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:31:43,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:31:43,398 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 18:31:43,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:31:43,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:31:43,413 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:31:43,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:43 BoogieIcfgContainer [2024-11-08 18:31:43,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:31:43,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:31:43,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:31:43,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:31:43,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:31:41" (1/3) ... [2024-11-08 18:31:43,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e89f5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:43, skipping insertion in model container [2024-11-08 18:31:43,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:42" (2/3) ... [2024-11-08 18:31:43,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e89f5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:43, skipping insertion in model container [2024-11-08 18:31:43,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:43" (3/3) ... [2024-11-08 18:31:43,425 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2024-11-08 18:31:43,447 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:31:43,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:31:43,508 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:31:43,515 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;@67bc88f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:31:43,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:31:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:31:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:31:43,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:43,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:43,528 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:31:43,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:43,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2097187084, now seen corresponding path program 1 times [2024-11-08 18:31:43,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:43,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029635138] [2024-11-08 18:31:43,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:31:43,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:31:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:31:43,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:31:43,713 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:31:43,714 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:31:43,716 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:31:43,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:31:43,722 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:31:43,745 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:31:43,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:31:43 BoogieIcfgContainer [2024-11-08 18:31:43,749 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:31:43,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:31:43,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:31:43,750 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:31:43,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:43" (3/4) ... [2024-11-08 18:31:43,753 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:31:43,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:31:43,756 INFO L158 Benchmark]: Toolchain (without parser) took 2551.53ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 83.0MB in the end (delta: 42.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-11-08 18:31:43,756 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:31:43,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1637.22ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 116.5MB in the end (delta: 8.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-08 18:31:43,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.83ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:31:43,759 INFO L158 Benchmark]: Boogie Preprocessor took 69.21ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 111.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:31:43,759 INFO L158 Benchmark]: RCFGBuilder took 408.83ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 99.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:31:43,760 INFO L158 Benchmark]: TraceAbstraction took 332.50ms. Allocated memory is still 161.5MB. Free memory was 99.0MB in the beginning and 83.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:31:43,761 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 161.5MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:31:43,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1637.22ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 116.5MB in the end (delta: 8.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.83ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.21ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 111.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.83ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 99.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 332.50ms. Allocated memory is still 161.5MB. Free memory was 99.0MB in the beginning and 83.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 161.5MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:31:43,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX --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 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:31:46,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:31:46,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:31:46,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:31:46,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:31:46,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:31:46,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:31:46,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:31:46,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:31:46,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:31:46,514 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:31:46,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:31:46,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:31:46,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:31:46,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:31:46,518 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:31:46,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:31:46,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:31:46,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:31:46,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:31:46,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:31:46,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:31:46,524 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:31:46,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:31:46,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:31:46,528 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:31:46,528 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:31:46,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:31:46,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:31:46,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:31:46,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:31:46,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:31:46,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:31:46,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:31:46,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:31:46,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:31:46,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:31:46,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:31:46,534 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:31:46,535 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:31:46,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:31:46,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:31:46,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:31:46,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:31:46,536 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 [2024-11-08 18:31:47,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:31:47,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:31:47,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:31:47,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:31:47,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:31:47,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i Unable to find full path for "g++" [2024-11-08 18:31:49,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:31:49,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:31:49,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2024-11-08 18:31:49,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data/fe4847e80/e9084d4905b84d78afab027455d6009d/FLAGa83bd0a55 [2024-11-08 18:31:49,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/data/fe4847e80/e9084d4905b84d78afab027455d6009d [2024-11-08 18:31:49,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:31:49,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:31:49,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:31:49,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:31:49,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:31:49,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:49" (1/1) ... [2024-11-08 18:31:49,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e86c394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:49, skipping insertion in model container [2024-11-08 18:31:49,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:49" (1/1) ... [2024-11-08 18:31:50,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:31:51,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:31:51,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:31:51,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:31:51,495 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:31:51,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51 WrapperNode [2024-11-08 18:31:51,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:31:51,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:31:51,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:31:51,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:31:51,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,558 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 18:31:51,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:31:51,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:31:51,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:31:51,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:31:51,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,600 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:31:51,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:31:51,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:31:51,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:31:51,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:31:51,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (1/1) ... [2024-11-08 18:31:51,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:31:51,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:31:51,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:31:51,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:31:51,719 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:31:51,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:31:51,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:31:51,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:31:51,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:31:51,936 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:31:51,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:31:52,158 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 18:31:52,158 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:31:52,177 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:31:52,177 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:31:52,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:52 BoogieIcfgContainer [2024-11-08 18:31:52,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:31:52,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:31:52,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:31:52,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:31:52,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:31:49" (1/3) ... [2024-11-08 18:31:52,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db87326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:52, skipping insertion in model container [2024-11-08 18:31:52,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:51" (2/3) ... [2024-11-08 18:31:52,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db87326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:52, skipping insertion in model container [2024-11-08 18:31:52,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:52" (3/3) ... [2024-11-08 18:31:52,193 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2024-11-08 18:31:52,214 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:31:52,215 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:31:52,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:31:52,303 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;@30abffb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:31:52,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:31:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:31:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:31:52,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:52,317 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:52,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:31:52,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash 2097187084, now seen corresponding path program 1 times [2024-11-08 18:31:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:52,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358687186] [2024-11-08 18:31:52,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:52,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:31:52,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:31:52,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:31:52,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:31:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:31:52,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:31:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:31:52,581 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:31:52,584 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:31:52,585 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:31:52,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:31:52,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:52,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:31:52,793 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:31:52,820 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:31:52,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:31:52 BoogieIcfgContainer [2024-11-08 18:31:52,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:31:52,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:31:52,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:31:52,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:31:52,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:52" (3/4) ... [2024-11-08 18:31:52,828 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:31:52,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:31:52,831 INFO L158 Benchmark]: Toolchain (without parser) took 2855.61ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 65.3MB in the end (delta: -3.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-08 18:31:52,832 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:31:52,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.75ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 53.6MB in the end (delta: 8.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-08 18:31:52,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.22ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:31:52,834 INFO L158 Benchmark]: Boogie Preprocessor took 77.39ms. Allocated memory is still 90.2MB. Free memory was 50.2MB in the beginning and 47.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:31:52,835 INFO L158 Benchmark]: RCFGBuilder took 540.80ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 47.8MB in the beginning and 82.1MB in the end (delta: -34.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-08 18:31:52,836 INFO L158 Benchmark]: TraceAbstraction took 641.29ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 65.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:31:52,837 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 115.3MB. Free memory was 65.7MB in the beginning and 65.3MB in the end (delta: 418.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:31:52,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.75ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 53.6MB in the end (delta: 8.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.22ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.39ms. Allocated memory is still 90.2MB. Free memory was 50.2MB in the beginning and 47.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.80ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 47.8MB in the beginning and 82.1MB in the end (delta: -34.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * TraceAbstraction took 641.29ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 65.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 115.3MB. Free memory was 65.7MB in the beginning and 65.3MB in the end (delta: 418.8kB). 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:31:52,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce4fe5c-2f88-4f44-a54e-0434996afa6d/bin/uautomizer-verify-jihMAELWvX/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample