./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU --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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:14,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:14,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:12:14,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:14,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:14,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:14,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:14,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:14,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:14,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:14,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:14,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:14,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:14,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:14,857 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:14,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:14,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:14,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:14,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:14,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:14,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:14,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:14,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:14,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:12:14,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:14,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:14,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:14,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:14,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:14,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:14,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:14,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:14,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:14,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:14,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:14,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:14,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:14,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:14,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:14,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:14,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:14,870 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_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-10-31 22:12:15,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:15,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:15,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:15,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:15,204 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:15,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i Unable to find full path for "g++" [2024-10-31 22:12:17,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:17,709 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:17,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-10-31 22:12:17,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data/2d649c5db/bac7fdf94cc94e2b8aeccda44493e9ce/FLAG7607a5012 [2024-10-31 22:12:17,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data/2d649c5db/bac7fdf94cc94e2b8aeccda44493e9ce [2024-10-31 22:12:17,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:17,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:17,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:17,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:17,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:17,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:17" (1/1) ... [2024-10-31 22:12:17,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25001610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:17, skipping insertion in model container [2024-10-31 22:12:17,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:17" (1/1) ... [2024-10-31 22:12:17,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:19,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:19,016 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:19,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:19,347 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:19,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19 WrapperNode [2024-10-31 22:12:19,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:19,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:19,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:19,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:19,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,423 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-10-31 22:12:19,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:19,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:19,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:19,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:19,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,466 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:12:19,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:19,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:19,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:19,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:19,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (1/1) ... [2024-10-31 22:12:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:19,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:19,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:12:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:12:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:19,742 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:19,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:19,847 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:19,847 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:19,866 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:19,867 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:12:19,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:19 BoogieIcfgContainer [2024-10-31 22:12:19,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:19,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:19,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:19,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:19,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:17" (1/3) ... [2024-10-31 22:12:19,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bec27fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:19, skipping insertion in model container [2024-10-31 22:12:19,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:19" (2/3) ... [2024-10-31 22:12:19,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bec27fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:19, skipping insertion in model container [2024-10-31 22:12:19,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:19" (3/3) ... [2024-10-31 22:12:19,882 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-10-31 22:12:19,905 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:19,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:12:19,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:19,991 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;@2c3042fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:19,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:12:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:12:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:12:20,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:20,008 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:20,009 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:12:20,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-10-31 22:12:20,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:20,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108717001] [2024-10-31 22:12:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:20,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:20,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:20,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:20,244 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:12:20,246 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:12:20,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:12:20,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:12:20,253 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:12:20,274 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:12:20,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:12:20 BoogieIcfgContainer [2024-10-31 22:12:20,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:12:20,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:20,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:20,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:20,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:19" (3/4) ... [2024-10-31 22:12:20,284 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:12:20,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:20,289 INFO L158 Benchmark]: Toolchain (without parser) took 2521.60ms. Allocated memory was 174.1MB in the beginning and 249.6MB in the end (delta: 75.5MB). Free memory was 129.4MB in the beginning and 202.6MB in the end (delta: -73.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-10-31 22:12:20,291 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 135.2MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:20,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.70ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 102.6MB in the end (delta: 26.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-10-31 22:12:20,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.26ms. Allocated memory is still 174.1MB. Free memory was 102.6MB in the beginning and 99.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:20,294 INFO L158 Benchmark]: Boogie Preprocessor took 61.49ms. Allocated memory is still 174.1MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:20,295 INFO L158 Benchmark]: RCFGBuilder took 380.26ms. Allocated memory is still 174.1MB. Free memory was 97.7MB in the beginning and 85.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:12:20,296 INFO L158 Benchmark]: TraceAbstraction took 405.12ms. Allocated memory was 174.1MB in the beginning and 249.6MB in the end (delta: 75.5MB). Free memory was 85.1MB in the beginning and 202.6MB in the end (delta: -117.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:20,296 INFO L158 Benchmark]: Witness Printer took 10.15ms. Allocated memory is still 249.6MB. Free memory is still 202.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:20,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 135.2MB in the end (delta: 16.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.70ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 102.6MB in the end (delta: 26.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.26ms. Allocated memory is still 174.1MB. Free memory was 102.6MB in the beginning and 99.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.49ms. Allocated memory is still 174.1MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.26ms. Allocated memory is still 174.1MB. Free memory was 97.7MB in the beginning and 85.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 405.12ms. Allocated memory was 174.1MB in the beginning and 249.6MB in the end (delta: 75.5MB). Free memory was 85.1MB in the beginning and 202.6MB in the end (delta: -117.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.15ms. Allocated memory is still 249.6MB. Free memory is still 202.6MB. 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: 1554]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s 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 [2024-10-31 22:12:20,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/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_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU --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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:22,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:22,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:12:22,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:22,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:22,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:12:22,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:22,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:22,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:22,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:22,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:22,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:22,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:22,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:22,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:22,961 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:22,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:22,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:22,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:22,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:22,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:22,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:22,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:12:22,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:12:22,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:22,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:12:22,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:12:22,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:22,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:22,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:22,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:22,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:22,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:22,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:22,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:22,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:22,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:22,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:22,970 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:12:22,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:12:22,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:22,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:22,971 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:22,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:22,972 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:12:22,972 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_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512 [2024-10-31 22:12:23,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:23,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:23,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:23,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:23,435 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:23,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i Unable to find full path for "g++" [2024-10-31 22:12:25,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:25,918 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:25,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-10-31 22:12:25,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data/b3f963e8a/25b558bd2a6c4c39b3171f24a7539f4e/FLAG19615b1b3 [2024-10-31 22:12:26,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/data/b3f963e8a/25b558bd2a6c4c39b3171f24a7539f4e [2024-10-31 22:12:26,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:26,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:26,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:26,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:26,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:26,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:26" (1/1) ... [2024-10-31 22:12:26,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74de925b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:26, skipping insertion in model container [2024-10-31 22:12:26,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:26" (1/1) ... [2024-10-31 22:12:26,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:27,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:27,411 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:27,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:27,741 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:27,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27 WrapperNode [2024-10-31 22:12:27,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:27,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:27,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:27,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:27,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,823 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-10-31 22:12:27,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:27,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:27,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:27,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:27,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,862 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:12:27,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:27,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:27,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:27,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:27,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (1/1) ... [2024-10-31 22:12:27,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:27,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:27,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:27,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:12:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:12:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:28,189 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:28,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:28,331 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:28,331 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:28,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:28,345 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:12:28,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:28 BoogieIcfgContainer [2024-10-31 22:12:28,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:28,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:28,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:28,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:28,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:26" (1/3) ... [2024-10-31 22:12:28,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a1ed35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:28, skipping insertion in model container [2024-10-31 22:12:28,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:27" (2/3) ... [2024-10-31 22:12:28,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a1ed35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:28, skipping insertion in model container [2024-10-31 22:12:28,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:28" (3/3) ... [2024-10-31 22:12:28,357 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i [2024-10-31 22:12:28,374 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:28,375 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:12:28,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:28,450 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;@23e9193d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:28,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:12:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:12:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:12:28,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:28,464 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:28,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:12:28,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:28,472 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-10-31 22:12:28,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:12:28,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451968721] [2024-10-31 22:12:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:28,487 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:12:28,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:12:28,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:12:28,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:12:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:28,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:28,695 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:12:28,697 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:12:28,699 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:12:28,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:12:28,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:12:28,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:12:28,907 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:12:28,936 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:12:28,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:12:28 BoogieIcfgContainer [2024-10-31 22:12:28,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:12:28,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:28,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:28,940 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:28,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:28" (3/4) ... [2024-10-31 22:12:28,945 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:12:28,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:28,947 INFO L158 Benchmark]: Toolchain (without parser) took 2855.27ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 41.6MB in the beginning and 43.3MB in the end (delta: -1.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,948 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:28,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1649.75ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 41.5MB in the beginning and 54.1MB in the end (delta: -12.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.93ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 50.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,950 INFO L158 Benchmark]: Boogie Preprocessor took 69.21ms. Allocated memory is still 98.6MB. Free memory was 50.7MB in the beginning and 48.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,950 INFO L158 Benchmark]: RCFGBuilder took 451.71ms. Allocated memory is still 98.6MB. Free memory was 48.3MB in the beginning and 59.9MB in the end (delta: -11.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,951 INFO L158 Benchmark]: TraceAbstraction took 589.71ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 43.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,951 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 98.6MB. Free memory was 43.8MB in the beginning and 43.3MB in the end (delta: 484.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:28,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1649.75ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 41.5MB in the beginning and 54.1MB in the end (delta: -12.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.93ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 50.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.21ms. Allocated memory is still 98.6MB. Free memory was 50.7MB in the beginning and 48.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.71ms. Allocated memory is still 98.6MB. Free memory was 48.3MB in the beginning and 59.9MB in the end (delta: -11.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * TraceAbstraction took 589.71ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 43.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 98.6MB. Free memory was 43.8MB in the beginning and 43.3MB in the end (delta: 484.1kB). 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: 1554]: 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 1562. 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] [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad() [L1550] int data; [L1551] data = 0 [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s 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 [2024-10-31 22:12:29,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d987d1-3167-40b3-ae62-c9e4a360c1f5/bin/uautomizer-verify-4GaUIPS5ZU/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