./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:50:58,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:50:58,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:50:58,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:50:58,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:50:58,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:50:58,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:50:58,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:50:58,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:50:58,755 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:50:58,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:50:58,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:50:58,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:50:58,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:50:58,757 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:50:58,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:50:58,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:50:58,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:50:58,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:50:58,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:50:58,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:50:58,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:50:58,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:50:58,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:50:58,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:50:58,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:50:58,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:50:58,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:50:58,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:50:58,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:50:58,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:50:58,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:50:58,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:50:58,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:50:58,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:50:58,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:50:58,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:50:58,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:50:58,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:50:58,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:50:58,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:50:58,770 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_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2024-11-08 18:50:59,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:50:59,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:50:59,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:50:59,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:50:59,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:50:59,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i Unable to find full path for "g++" [2024-11-08 18:51:01,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:51:01,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:51:01,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-11-08 18:51:01,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data/1ffb6cfa3/a78e22dd8ffb4161a6ca099c77182dd5/FLAGaf8b62a18 [2024-11-08 18:51:01,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data/1ffb6cfa3/a78e22dd8ffb4161a6ca099c77182dd5 [2024-11-08 18:51:01,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:51:01,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:51:01,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:01,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:51:01,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:51:01,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:01" (1/1) ... [2024-11-08 18:51:01,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5036b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:01, skipping insertion in model container [2024-11-08 18:51:01,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:01" (1/1) ... [2024-11-08 18:51:01,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:51:02,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:02,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:51:03,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:03,323 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:51:03,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03 WrapperNode [2024-11-08 18:51:03,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:03,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:03,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:51:03,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:51:03,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,392 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 18:51:03,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:03,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:51:03,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:51:03,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:51:03,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,419 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:51:03,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:51:03,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:51:03,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:51:03,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:51:03,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (1/1) ... [2024-11-08 18:51:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:03,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:51:03,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:51:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:51:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:51:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:51:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:51:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:51:03,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:51:03,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:51:03,723 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 18:51:03,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:51:03,736 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:51:03,736 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:51:03,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:03 BoogieIcfgContainer [2024-11-08 18:51:03,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:51:03,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:51:03,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:51:03,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:51:03,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:51:01" (1/3) ... [2024-11-08 18:51:03,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b7573b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:03, skipping insertion in model container [2024-11-08 18:51:03,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:03" (2/3) ... [2024-11-08 18:51:03,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b7573b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:03, skipping insertion in model container [2024-11-08 18:51:03,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:03" (3/3) ... [2024-11-08 18:51:03,747 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-11-08 18:51:03,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:51:03,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:51:03,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:51:03,838 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;@65e301d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:51:03,838 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:51:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:51:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:51:03,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:03,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:03,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:51:03,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:03,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-08 18:51:03,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:51:03,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584297748] [2024-11-08 18:51:03,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:51:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:04,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:51:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:04,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:51:04,046 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:51:04,048 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:51:04,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:51:04,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:51:04,056 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:51:04,076 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:51:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:51:04 BoogieIcfgContainer [2024-11-08 18:51:04,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:51:04,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:51:04,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:51:04,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:51:04,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:03" (3/4) ... [2024-11-08 18:51:04,085 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:51:04,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:51:04,087 INFO L158 Benchmark]: Toolchain (without parser) took 2405.62ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 64.4MB in the end (delta: 48.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,088 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:04,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1641.89ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 97.9MB in the end (delta: 14.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.21ms. Allocated memory is still 153.1MB. Free memory was 97.9MB in the beginning and 95.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,090 INFO L158 Benchmark]: Boogie Preprocessor took 37.73ms. Allocated memory is still 153.1MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,091 INFO L158 Benchmark]: RCFGBuilder took 305.32ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 81.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,091 INFO L158 Benchmark]: TraceAbstraction took 341.11ms. Allocated memory is still 153.1MB. Free memory was 80.4MB in the beginning and 65.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,092 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 153.1MB. Free memory was 65.3MB in the beginning and 64.4MB in the end (delta: 825.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:04,096 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 109.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1641.89ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 97.9MB in the end (delta: 14.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.21ms. Allocated memory is still 153.1MB. Free memory was 97.9MB in the beginning and 95.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.73ms. Allocated memory is still 153.1MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.32ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 81.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 341.11ms. Allocated memory is still 153.1MB. Free memory was 80.4MB in the beginning and 65.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 153.1MB. Free memory was 65.3MB in the beginning and 64.4MB in the end (delta: 825.8kB). Peak memory consumption was 2.1MB. 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:51:04,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:51:06,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:51:06,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:51:06,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:51:06,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:51:06,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:51:06,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:51:06,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:51:06,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:51:06,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:51:06,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:51:06,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:51:06,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:51:06,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:51:06,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:51:06,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:51:06,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:51:06,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:51:06,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:51:06,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:51:06,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:51:06,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:51:06,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:51:06,775 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:51:06,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:51:06,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:51:06,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:51:06,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:51:06,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:51:06,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:51:06,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:51:06,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:51:06,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:51:06,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:51:06,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:06,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:51:06,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:51:06,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:51:06,782 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:51:06,782 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:51:06,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:51:06,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:51:06,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:51:06,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:51:06,784 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_3f1d4361-2752-4ea2-9752-b0aac8162dd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2024-11-08 18:51:07,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:51:07,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:51:07,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:51:07,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:51:07,189 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:51:07,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i Unable to find full path for "g++" [2024-11-08 18:51:09,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:51:09,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:51:09,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-11-08 18:51:09,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data/dcd99072d/48f016f72ab94f779414dd211b2a16a2/FLAG38b0a01f4 [2024-11-08 18:51:09,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/data/dcd99072d/48f016f72ab94f779414dd211b2a16a2 [2024-11-08 18:51:09,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:51:09,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:51:09,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:09,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:51:09,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:51:09,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:09" (1/1) ... [2024-11-08 18:51:09,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41eb9269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:09, skipping insertion in model container [2024-11-08 18:51:09,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:09" (1/1) ... [2024-11-08 18:51:10,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:51:11,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:11,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:51:11,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:51:11,473 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:51:11,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11 WrapperNode [2024-11-08 18:51:11,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:51:11,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:11,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:51:11,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:51:11,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,541 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-08 18:51:11,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:51:11,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:51:11,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:51:11,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:51:11,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,587 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:51:11,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:51:11,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:51:11,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:51:11,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:51:11,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (1/1) ... [2024-11-08 18:51:11,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:51:11,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:11,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:51:11,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:51:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:51:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:51:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:51:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:51:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:51:11,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:51:11,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:51:12,067 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 18:51:12,068 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:51:12,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:51:12,086 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:51:12,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:12 BoogieIcfgContainer [2024-11-08 18:51:12,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:51:12,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:51:12,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:51:12,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:51:12,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:51:09" (1/3) ... [2024-11-08 18:51:12,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc9737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:12, skipping insertion in model container [2024-11-08 18:51:12,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:11" (2/3) ... [2024-11-08 18:51:12,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc9737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:12, skipping insertion in model container [2024-11-08 18:51:12,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:12" (3/3) ... [2024-11-08 18:51:12,100 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2024-11-08 18:51:12,120 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:51:12,121 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:51:12,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:51:12,233 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;@5b9b67e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:51:12,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:51:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:51:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:51:12,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:12,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:12,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:51:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:12,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-08 18:51:12,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:51:12,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043852082] [2024-11-08 18:51:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:12,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:51:12,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:12,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:51:12,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:51:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:12,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:51:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:51:12,560 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:51:12,563 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:51:12,568 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:51:12,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:51:12,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:51:12,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:51:12,781 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:51:12,826 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:51:12,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:51:12 BoogieIcfgContainer [2024-11-08 18:51:12,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:51:12,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:51:12,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:51:12,840 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:51:12,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:12" (3/4) ... [2024-11-08 18:51:12,844 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:51:12,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:51:12,854 INFO L158 Benchmark]: Toolchain (without parser) took 2882.80ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 43.7MB in the end (delta: -5.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-08 18:51:12,855 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:12,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1500.78ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 37.7MB in the beginning and 52.3MB in the end (delta: -14.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-08 18:51:12,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.89ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:12,861 INFO L158 Benchmark]: Boogie Preprocessor took 82.73ms. Allocated memory is still 94.4MB. Free memory was 49.6MB in the beginning and 47.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:51:12,862 INFO L158 Benchmark]: RCFGBuilder took 460.57ms. Allocated memory is still 94.4MB. Free memory was 46.7MB in the beginning and 60.0MB in the end (delta: -13.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-08 18:51:12,865 INFO L158 Benchmark]: TraceAbstraction took 750.01ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 44.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:51:12,865 INFO L158 Benchmark]: Witness Printer took 12.92ms. Allocated memory is still 94.4MB. Free memory was 44.2MB in the beginning and 43.7MB in the end (delta: 511.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:51:12,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1500.78ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 37.7MB in the beginning and 52.3MB in the end (delta: -14.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.89ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.73ms. Allocated memory is still 94.4MB. Free memory was 49.6MB in the beginning and 47.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.57ms. Allocated memory is still 94.4MB. Free memory was 46.7MB in the beginning and 60.0MB in the end (delta: -13.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 750.01ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 44.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 12.92ms. Allocated memory is still 94.4MB. Free memory was 44.2MB in the beginning and 43.7MB in the end (delta: 511.3kB). 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:51:12,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1d4361-2752-4ea2-9752-b0aac8162dd1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample