./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_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_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/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_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/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_9331b44b-88ae-414a-930b-e909a8005aa6/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 baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:19:21,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:19:21,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:19:21,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:19:21,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:19:21,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:19:21,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:19:21,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:19:21,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:19:21,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:19:21,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:19:21,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:19:21,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:19:21,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:19:21,619 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:19:21,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:19:21,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:19:21,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:19:21,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:19:21,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:19:21,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:19:21,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:19:21,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:19:21,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:19:21,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:19:21,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:19:21,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:19:21,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:19:21,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:19:21,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:19:21,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:19:21,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:21,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:19:21,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:19:21,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:19:21,628 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:19:21,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:19:21,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:19:21,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:19:21,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:19:21,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:19:21,631 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_9331b44b-88ae-414a-930b-e909a8005aa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 [2024-11-08 17:19:21,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:19:21,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:19:21,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:19:21,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:19:21,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:19:21,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i Unable to find full path for "g++" [2024-11-08 17:19:24,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:19:24,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:19:24,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i [2024-11-08 17:19:24,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data/fd220d113/5a8f848fb07a49428abd645a22b6e967/FLAG76a11fc6f [2024-11-08 17:19:24,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data/fd220d113/5a8f848fb07a49428abd645a22b6e967 [2024-11-08 17:19:24,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:19:24,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:19:24,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:24,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:19:24,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:19:24,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:24" (1/1) ... [2024-11-08 17:19:24,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d606a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:24, skipping insertion in model container [2024-11-08 17:19:24,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:24" (1/1) ... [2024-11-08 17:19:24,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:19:25,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:25,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:19:25,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:25,813 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:19:25,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25 WrapperNode [2024-11-08 17:19:25,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:25,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:25,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:19:25,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:19:25,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,897 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-08 17:19:25,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:25,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:19:25,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:19:25,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:19:25,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,938 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:19:25,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:19:25,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:19:25,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:19:25,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:19:25,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (1/1) ... [2024-11-08 17:19:25,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:25,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:26,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:19:26,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:19:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:19:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:19:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:19:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:19:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:19:26,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:19:26,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:19:26,350 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 17:19:26,351 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:19:26,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:19:26,365 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:19:26,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:26 BoogieIcfgContainer [2024-11-08 17:19:26,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:19:26,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:19:26,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:19:26,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:19:26,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:19:24" (1/3) ... [2024-11-08 17:19:26,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6bb25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:26, skipping insertion in model container [2024-11-08 17:19:26,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:25" (2/3) ... [2024-11-08 17:19:26,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6bb25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:26, skipping insertion in model container [2024-11-08 17:19:26,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:26" (3/3) ... [2024-11-08 17:19:26,377 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i [2024-11-08 17:19:26,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:19:26,398 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:19:26,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:19:26,474 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;@1fd1eccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:19:26,474 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:19:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 17:19:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:19:26,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:26,489 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:26,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:19:26,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:26,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-08 17:19:26,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:26,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828074538] [2024-11-08 17:19:26,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:26,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:19:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:19:26,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:19:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:19:26,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:19:26,809 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:19:26,810 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:19:26,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:19:26,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:19:26,818 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:19:26,845 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:19:26,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:19:26 BoogieIcfgContainer [2024-11-08 17:19:26,850 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:19:26,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:19:26,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:19:26,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:19:26,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:26" (3/4) ... [2024-11-08 17:19:26,855 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:19:26,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:19:26,857 INFO L158 Benchmark]: Toolchain (without parser) took 2371.14ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 109.1MB in the end (delta: 617.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:26,858 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:26,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1325.51ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 65.2MB in the end (delta: 43.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 17:19:26,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.72ms. Allocated memory is still 151.0MB. Free memory was 64.6MB in the beginning and 62.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:26,859 INFO L158 Benchmark]: Boogie Preprocessor took 67.33ms. Allocated memory is still 151.0MB. Free memory was 61.7MB in the beginning and 60.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:26,860 INFO L158 Benchmark]: RCFGBuilder took 398.98ms. Allocated memory is still 151.0MB. Free memory was 60.4MB in the beginning and 47.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:19:26,861 INFO L158 Benchmark]: TraceAbstraction took 481.18ms. Allocated memory is still 151.0MB. Free memory was 47.0MB in the beginning and 110.0MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:26,861 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 908.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:26,864 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 111.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1325.51ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 65.2MB in the end (delta: 43.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.72ms. Allocated memory is still 151.0MB. Free memory was 64.6MB in the beginning and 62.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.33ms. Allocated memory is still 151.0MB. Free memory was 61.7MB in the beginning and 60.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.98ms. Allocated memory is still 151.0MB. Free memory was 60.4MB in the beginning and 47.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 481.18ms. Allocated memory is still 151.0MB. Free memory was 47.0MB in the beginning and 110.0MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 908.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1556]: 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 CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, 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: 1556]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=21occurred 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:19:26,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/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_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/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_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/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_9331b44b-88ae-414a-930b-e909a8005aa6/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 baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:19:29,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:19:29,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:19:29,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:19:29,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:19:29,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:19:29,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:19:29,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:19:29,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:19:29,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:19:29,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:19:29,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:19:29,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:19:29,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:19:29,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:19:29,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:19:29,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:19:29,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:19:29,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:19:29,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:19:29,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:19:29,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:19:29,491 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:19:29,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:19:29,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:19:29,492 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:19:29,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:19:29,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:19:29,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:19:29,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:19:29,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:19:29,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:19:29,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:19:29,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:19:29,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:29,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:19:29,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:19:29,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:19:29,497 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:19:29,497 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:19:29,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:19:29,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:19:29,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:19:29,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:19:29,499 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_9331b44b-88ae-414a-930b-e909a8005aa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa5a643c93258b3103f7368da801fc66c9fbcdda90010c9be8d76c1a5cba9f4 [2024-11-08 17:19:29,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:19:29,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:19:29,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:19:29,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:19:29,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:19:29,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i Unable to find full path for "g++" [2024-11-08 17:19:32,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:19:32,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:19:32,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i [2024-11-08 17:19:32,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data/07a00acd4/a1da5f9e181e430c880691bf7c4efc2c/FLAGa75945d3d [2024-11-08 17:19:32,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/data/07a00acd4/a1da5f9e181e430c880691bf7c4efc2c [2024-11-08 17:19:32,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:19:32,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:19:32,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:32,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:19:32,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:19:32,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:32" (1/1) ... [2024-11-08 17:19:32,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2112c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:32, skipping insertion in model container [2024-11-08 17:19:32,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:32" (1/1) ... [2024-11-08 17:19:32,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:19:33,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:33,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:19:33,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:34,070 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:19:34,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34 WrapperNode [2024-11-08 17:19:34,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:34,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:34,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:19:34,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:19:34,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,166 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-08 17:19:34,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:34,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:19:34,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:19:34,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:19:34,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,211 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:19:34,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:19:34,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:19:34,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:19:34,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:19:34,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (1/1) ... [2024-11-08 17:19:34,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:34,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:19:34,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:19:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:19:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:19:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:19:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:19:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:19:34,530 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:19:34,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:19:34,708 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 17:19:34,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:19:34,724 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:19:34,725 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:19:34,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:34 BoogieIcfgContainer [2024-11-08 17:19:34,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:19:34,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:19:34,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:19:34,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:19:34,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:19:32" (1/3) ... [2024-11-08 17:19:34,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741712ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:34, skipping insertion in model container [2024-11-08 17:19:34,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:34" (2/3) ... [2024-11-08 17:19:34,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741712ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:34, skipping insertion in model container [2024-11-08 17:19:34,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:34" (3/3) ... [2024-11-08 17:19:34,738 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_45_bad.i [2024-11-08 17:19:34,761 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:19:34,761 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:19:34,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:19:34,858 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;@129b915a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:19:34,859 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:19:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 17:19:34,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 17:19:34,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:34,876 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:34,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:19:34,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:34,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2024-11-08 17:19:34,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:19:34,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67883354] [2024-11-08 17:19:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:34,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:19:34,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:34,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:19:34,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:19:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:19:35,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:19:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:19:35,124 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:19:35,131 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:19:35,132 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:19:35,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:19:35,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:19:35,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:19:35,344 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:19:35,383 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:19:35,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:19:35 BoogieIcfgContainer [2024-11-08 17:19:35,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:19:35,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:19:35,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:19:35,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:19:35,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:34" (3/4) ... [2024-11-08 17:19:35,393 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:19:35,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:19:35,396 INFO L158 Benchmark]: Toolchain (without parser) took 2861.17ms. Allocated memory is still 96.5MB. Free memory was 47.0MB in the beginning and 36.4MB in the end (delta: 10.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-08 17:19:35,397 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:35,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1535.37ms. Allocated memory is still 96.5MB. Free memory was 47.0MB in the beginning and 38.3MB in the end (delta: 8.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 17:19:35,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.18ms. Allocated memory is still 96.5MB. Free memory was 38.3MB in the beginning and 69.0MB in the end (delta: -30.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:35,399 INFO L158 Benchmark]: Boogie Preprocessor took 66.34ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:35,400 INFO L158 Benchmark]: RCFGBuilder took 489.74ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 53.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:19:35,402 INFO L158 Benchmark]: TraceAbstraction took 658.68ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:19:35,402 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 96.5MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:35,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1535.37ms. Allocated memory is still 96.5MB. Free memory was 47.0MB in the beginning and 38.3MB in the end (delta: 8.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.18ms. Allocated memory is still 96.5MB. Free memory was 38.3MB in the beginning and 69.0MB in the end (delta: -30.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.34ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.74ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 53.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 658.68ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 96.5MB. Free memory is still 36.4MB. 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: 1556]: 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 CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] CWE191_Integer_Underflow__int_fscanf_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_fscanf_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_multiply_45_goodG2BData=0, 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: 1556]: 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, 21 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=21occurred 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:19:35,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9331b44b-88ae-414a-930b-e909a8005aa6/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