./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:15:30,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:15:30,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:15:30,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:15:30,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:15:30,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:15:30,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:15:30,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:15:30,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:15:30,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:15:30,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:15:30,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:15:30,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:15:30,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:15:30,246 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:15:30,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:15:30,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:15:30,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:15:30,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:15:30,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:15:30,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:15:30,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:15:30,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:15:30,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:15:30,257 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:15:30,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:15:30,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:15:30,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:15:30,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:15:30,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:15:30,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:15:30,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:30,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:15:30,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:15:30,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:15:30,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:15:30,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:15:30,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:15:30,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:15:30,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:15:30,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:15:30,265 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_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-08 16:15:30,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:15:30,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:15:30,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:15:30,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:15:30,565 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:15:30,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i Unable to find full path for "g++" [2024-11-08 16:15:32,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:15:32,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:15:32,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-08 16:15:32,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data/f47a2985f/66346582d7a248538c8f14960dc847fd/FLAG83bfa1b6f [2024-11-08 16:15:33,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data/f47a2985f/66346582d7a248538c8f14960dc847fd [2024-11-08 16:15:33,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:15:33,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:15:33,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:33,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:15:33,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:15:33,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:33" (1/1) ... [2024-11-08 16:15:33,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17178296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:33, skipping insertion in model container [2024-11-08 16:15:33,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:33" (1/1) ... [2024-11-08 16:15:33,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:15:34,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:34,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:15:34,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:34,481 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:15:34,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34 WrapperNode [2024-11-08 16:15:34,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:34,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:34,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:15:34,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:15:34,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,553 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-08 16:15:34,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:34,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:15:34,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:15:34,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:15:34,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,587 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:15:34,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:15:34,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:15:34,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:15:34,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:15:34,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (1/1) ... [2024-11-08 16:15:34,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:34,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:15:34,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:15:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:15:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:15:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:15:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:15:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:15:34,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:15:34,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:15:34,978 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 16:15:34,978 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:15:34,992 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:15:34,992 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:15:34,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:34 BoogieIcfgContainer [2024-11-08 16:15:34,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:15:34,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:15:34,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:15:34,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:15:34,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:15:33" (1/3) ... [2024-11-08 16:15:35,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266ed188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:34, skipping insertion in model container [2024-11-08 16:15:35,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:34" (2/3) ... [2024-11-08 16:15:35,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266ed188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:35, skipping insertion in model container [2024-11-08 16:15:35,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:34" (3/3) ... [2024-11-08 16:15:35,004 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-08 16:15:35,020 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:15:35,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:15:35,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:15:35,085 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;@1f258484, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:15:35,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:15:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 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) [2024-11-08 16:15:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:15:35,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:35,098 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:35,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:35,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1409645953, now seen corresponding path program 1 times [2024-11-08 16:15:35,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:15:35,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508770635] [2024-11-08 16:15:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:35,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:15:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:35,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:15:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:35,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:15:35,268 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:15:35,269 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:15:35,271 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:15:35,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:15:35,276 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:15:35,295 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:15:35,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:15:35 BoogieIcfgContainer [2024-11-08 16:15:35,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:15:35,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:15:35,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:15:35,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:15:35,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:34" (3/4) ... [2024-11-08 16:15:35,302 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:15:35,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:15:35,305 INFO L158 Benchmark]: Toolchain (without parser) took 2286.94ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 115.1MB in the end (delta: 10.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-08 16:15:35,305 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:35,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.22ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 62.6MB in the end (delta: 62.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 16:15:35,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.89ms. Allocated memory is still 163.6MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:35,310 INFO L158 Benchmark]: Boogie Preprocessor took 46.19ms. Allocated memory is still 163.6MB. Free memory was 59.9MB in the beginning and 57.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:35,311 INFO L158 Benchmark]: RCFGBuilder took 391.61ms. Allocated memory is still 163.6MB. Free memory was 57.7MB in the beginning and 131.8MB in the end (delta: -74.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 16:15:35,312 INFO L158 Benchmark]: TraceAbstraction took 302.83ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 115.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:15:35,313 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 115.1MB in the end (delta: 252.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:35,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.22ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 62.6MB in the end (delta: 62.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.89ms. Allocated memory is still 163.6MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.19ms. Allocated memory is still 163.6MB. Free memory was 59.9MB in the beginning and 57.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.61ms. Allocated memory is still 163.6MB. Free memory was 57.7MB in the beginning and 131.8MB in the end (delta: -74.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 302.83ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 115.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 115.1MB in the end (delta: 252.5kB). 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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] data - 1 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: 1582]: 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, 23 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=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:15:35,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:15:37,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:15:37,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:15:37,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:15:37,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:15:37,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:15:37,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:15:37,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:15:37,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:15:37,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:15:37,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:15:37,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:15:37,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:15:37,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:15:37,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:15:37,897 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:15:37,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:15:37,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:15:37,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:15:37,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:15:37,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:15:37,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:15:37,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:15:37,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:15:37,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:15:37,900 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:15:37,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:15:37,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:15:37,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:15:37,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:15:37,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:15:37,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:15:37,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:15:37,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:15:37,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:37,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:15:37,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:15:37,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:15:37,907 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:15:37,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:15:37,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:15:37,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:15:37,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:15:37,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:15:37,922 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_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-08 16:15:38,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:15:38,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:15:38,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:15:38,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:15:38,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:15:38,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i Unable to find full path for "g++" [2024-11-08 16:15:40,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:15:40,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:15:40,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-08 16:15:40,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data/8fd57350e/b06bf7be753441c9baab94ebc41d70e7/FLAGb0702f296 [2024-11-08 16:15:40,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/data/8fd57350e/b06bf7be753441c9baab94ebc41d70e7 [2024-11-08 16:15:40,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:15:40,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:15:40,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:40,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:15:40,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:15:40,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:40" (1/1) ... [2024-11-08 16:15:40,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da795cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:40, skipping insertion in model container [2024-11-08 16:15:40,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:40" (1/1) ... [2024-11-08 16:15:40,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:15:41,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:41,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:15:42,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:42,136 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:15:42,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42 WrapperNode [2024-11-08 16:15:42,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:42,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:42,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:15:42,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:15:42,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,198 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-08 16:15:42,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:42,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:15:42,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:15:42,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:15:42,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,231 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:15:42,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:15:42,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:15:42,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:15:42,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:15:42,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (1/1) ... [2024-11-08 16:15:42,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:42,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:42,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:15:42,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:15:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:15:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:15:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:15:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:15:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:15:42,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:15:42,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:15:42,685 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 16:15:42,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:15:42,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:15:42,700 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:15:42,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:42 BoogieIcfgContainer [2024-11-08 16:15:42,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:15:42,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:15:42,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:15:42,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:15:42,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:15:40" (1/3) ... [2024-11-08 16:15:42,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e94b398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:42, skipping insertion in model container [2024-11-08 16:15:42,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:42" (2/3) ... [2024-11-08 16:15:42,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e94b398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:42, skipping insertion in model container [2024-11-08 16:15:42,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:42" (3/3) ... [2024-11-08 16:15:42,712 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-08 16:15:42,735 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:15:42,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:15:42,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:15:42,823 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;@2f63a5eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:15:42,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:15:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 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) [2024-11-08 16:15:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 16:15:42,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:42,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:42,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:42,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:42,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1409645953, now seen corresponding path program 1 times [2024-11-08 16:15:42,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:15:42,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382442014] [2024-11-08 16:15:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:42,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:42,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:42,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:15:42,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:15:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:43,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:15:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:43,092 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:15:43,094 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:15:43,095 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:15:43,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:15:43,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:15:43,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:43,303 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:15:43,325 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:15:43,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:15:43 BoogieIcfgContainer [2024-11-08 16:15:43,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:15:43,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:15:43,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:15:43,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:15:43,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:42" (3/4) ... [2024-11-08 16:15:43,334 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:15:43,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:15:43,336 INFO L158 Benchmark]: Toolchain (without parser) took 2577.03ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 64.7MB in the end (delta: -7.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:43,336 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:43,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.44ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 57.2MB in the beginning and 68.1MB in the end (delta: -10.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-08 16:15:43,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.74ms. Allocated memory is still 115.3MB. Free memory was 68.1MB in the beginning and 64.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:43,341 INFO L158 Benchmark]: Boogie Preprocessor took 72.39ms. Allocated memory is still 115.3MB. Free memory was 64.9MB in the beginning and 62.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:43,342 INFO L158 Benchmark]: RCFGBuilder took 428.77ms. Allocated memory is still 115.3MB. Free memory was 62.3MB in the beginning and 81.4MB in the end (delta: -19.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-08 16:15:43,342 INFO L158 Benchmark]: TraceAbstraction took 625.67ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 65.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:15:43,343 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 115.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:43,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.44ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 57.2MB in the beginning and 68.1MB in the end (delta: -10.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.74ms. Allocated memory is still 115.3MB. Free memory was 68.1MB in the beginning and 64.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.39ms. Allocated memory is still 115.3MB. Free memory was 64.9MB in the beginning and 62.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.77ms. Allocated memory is still 115.3MB. Free memory was 62.3MB in the beginning and 81.4MB in the end (delta: -19.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 625.67ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 65.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 115.3MB. Free memory is still 64.7MB. 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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] data - 1 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: 1582]: 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, 23 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=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:15:43,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd60c75-e70e-424f-9d3a-91f245d3bae3/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample