./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:46:27,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:46:27,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:46:28,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:46:28,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:46:28,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:46:28,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:46:28,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:46:28,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:46:28,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:46:28,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:46:28,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:46:28,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:46:28,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:46:28,053 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:46:28,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:46:28,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:46:28,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:46:28,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:46:28,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:46:28,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:46:28,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:46:28,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:46:28,065 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:46:28,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:46:28,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:46:28,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:46:28,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:46:28,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:46:28,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:46:28,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:46:28,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:28,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:46:28,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:46:28,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:46:28,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:46:28,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:46:28,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:46:28,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:46:28,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:46:28,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:46:28,075 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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f [2024-11-08 18:46:28,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:46:28,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:46:28,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:46:28,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:46:28,517 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:46:28,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i Unable to find full path for "g++" [2024-11-08 18:46:31,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:46:31,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:46:31,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2024-11-08 18:46:31,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data/77a882c1d/da0a44b72c6d4d4f93c5a210710011ea/FLAG7f8592e8b [2024-11-08 18:46:31,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data/77a882c1d/da0a44b72c6d4d4f93c5a210710011ea [2024-11-08 18:46:31,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:46:31,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:46:31,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:31,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:46:31,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:46:31,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:31" (1/1) ... [2024-11-08 18:46:31,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671f3832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:31, skipping insertion in model container [2024-11-08 18:46:31,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:31" (1/1) ... [2024-11-08 18:46:31,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:46:33,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:33,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:46:33,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:33,554 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:46:33,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33 WrapperNode [2024-11-08 18:46:33,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:33,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:33,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:46:33,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:46:33,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,662 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 51 [2024-11-08 18:46:33,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:33,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:46:33,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:46:33,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:46:33,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,715 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:46:33,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:46:33,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:46:33,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:46:33,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:46:33,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (1/1) ... [2024-11-08 18:46:33,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:33,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:33,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:46:33,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:46:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:46:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:46:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:46:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:46:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:46:34,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:46:34,037 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:46:34,180 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 18:46:34,180 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:46:34,199 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:46:34,199 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:46:34,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:34 BoogieIcfgContainer [2024-11-08 18:46:34,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:46:34,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:46:34,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:46:34,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:46:34,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:46:31" (1/3) ... [2024-11-08 18:46:34,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1330ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:34, skipping insertion in model container [2024-11-08 18:46:34,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:33" (2/3) ... [2024-11-08 18:46:34,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1330ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:34, skipping insertion in model container [2024-11-08 18:46:34,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:34" (3/3) ... [2024-11-08 18:46:34,215 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2024-11-08 18:46:34,241 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:46:34,242 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:46:34,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:46:34,352 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;@27b8f628, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:46:34,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:46:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 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 18:46:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 18:46:34,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:34,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:34,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:46:34,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash -625085467, now seen corresponding path program 1 times [2024-11-08 18:46:34,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:34,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909861744] [2024-11-08 18:46:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:34,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:34,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:34,700 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:46:34,702 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:46:34,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:46:34,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:46:34,714 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:46:34,779 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:46:34,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:46:34 BoogieIcfgContainer [2024-11-08 18:46:34,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:46:34,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:46:34,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:46:34,787 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:46:34,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:34" (3/4) ... [2024-11-08 18:46:34,795 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:46:34,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:46:34,798 INFO L158 Benchmark]: Toolchain (without parser) took 3234.01ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 85.3MB in the beginning and 140.9MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:34,799 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory was 102.1MB in the beginning and 101.9MB in the end (delta: 174.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:34,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1990.43ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 84.9MB in the beginning and 111.9MB in the end (delta: -27.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-08 18:46:34,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.19ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 108.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:46:34,803 INFO L158 Benchmark]: Boogie Preprocessor took 81.77ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:46:34,805 INFO L158 Benchmark]: RCFGBuilder took 453.62ms. Allocated memory is still 176.2MB. Free memory was 106.5MB in the beginning and 93.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:46:34,806 INFO L158 Benchmark]: TraceAbstraction took 581.39ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 140.9MB in the end (delta: -47.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 18:46:34,807 INFO L158 Benchmark]: Witness Printer took 9.81ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 140.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:34,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory was 102.1MB in the beginning and 101.9MB in the end (delta: 174.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1990.43ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 84.9MB in the beginning and 111.9MB in the end (delta: -27.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.19ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 108.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.77ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.62ms. Allocated memory is still 176.2MB. Free memory was 106.5MB in the beginning and 93.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 581.39ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 140.9MB in the end (delta: -47.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 9.81ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 140.9MB in the end (delta: 2.6kB). 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 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: 1583]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:46:34,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:46:37,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:46:38,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:46:38,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:46:38,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:46:38,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:46:38,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:46:38,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:46:38,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:46:38,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:46:38,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:46:38,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:46:38,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:46:38,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:46:38,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:46:38,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:46:38,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:46:38,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:46:38,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:46:38,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:46:38,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:46:38,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:46:38,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:46:38,118 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:46:38,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:46:38,119 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:46:38,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:46:38,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:46:38,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:46:38,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:46:38,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:46:38,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:46:38,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:46:38,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:46:38,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:38,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:46:38,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:46:38,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:46:38,126 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:46:38,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:46:38,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:46:38,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:46:38,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:46:38,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:46:38,129 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_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f [2024-11-08 18:46:38,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:46:38,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:46:38,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:46:38,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:46:38,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:46:38,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i Unable to find full path for "g++" [2024-11-08 18:46:41,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:46:41,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:46:41,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2024-11-08 18:46:41,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data/06710c277/22d38d290cde44f4bc853d2125637732/FLAG0ada579ec [2024-11-08 18:46:41,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/data/06710c277/22d38d290cde44f4bc853d2125637732 [2024-11-08 18:46:41,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:46:41,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:46:41,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:41,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:46:41,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:46:41,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:41" (1/1) ... [2024-11-08 18:46:41,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653d22bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:41, skipping insertion in model container [2024-11-08 18:46:41,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:41" (1/1) ... [2024-11-08 18:46:41,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:46:43,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:43,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:46:43,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:43,590 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:46:43,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43 WrapperNode [2024-11-08 18:46:43,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:43,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:43,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:46:43,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:46:43,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,675 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2024-11-08 18:46:43,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:43,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:46:43,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:46:43,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:46:43,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,711 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:46:43,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:46:43,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:46:43,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:46:43,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:46:43,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (1/1) ... [2024-11-08 18:46:43,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:46:43,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:43,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:46:43,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:46:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:46:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:46:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:46:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:46:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:46:44,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:46:44,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:46:44,335 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 18:46:44,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:46:44,355 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:46:44,358 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:46:44,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:44 BoogieIcfgContainer [2024-11-08 18:46:44,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:46:44,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:46:44,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:46:44,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:46:44,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:46:41" (1/3) ... [2024-11-08 18:46:44,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1186fcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:44, skipping insertion in model container [2024-11-08 18:46:44,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:43" (2/3) ... [2024-11-08 18:46:44,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1186fcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:46:44, skipping insertion in model container [2024-11-08 18:46:44,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:44" (3/3) ... [2024-11-08 18:46:44,409 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2024-11-08 18:46:44,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:46:44,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:46:44,535 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:46:44,546 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;@76ea53bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:46:44,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:46:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 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 18:46:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 18:46:44,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:44,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:44,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:46:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash -625085467, now seen corresponding path program 1 times [2024-11-08 18:46:44,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:46:44,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752980777] [2024-11-08 18:46:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:44,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:44,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:44,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:46:44,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:46:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:44,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:44,882 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:46:44,886 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:46:44,887 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:46:44,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:46:44,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:46:45,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:45,102 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 18:46:45,157 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:46:45,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:46:45 BoogieIcfgContainer [2024-11-08 18:46:45,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:46:45,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:46:45,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:46:45,168 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:46:45,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:44" (3/4) ... [2024-11-08 18:46:45,172 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:46:45,173 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:46:45,178 INFO L158 Benchmark]: Toolchain (without parser) took 3310.38ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 38.1MB in the end (delta: -7.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-08 18:46:45,181 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:45,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1725.28ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 30.2MB in the beginning and 48.5MB in the end (delta: -18.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-08 18:46:45,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.80ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 45.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:46:45,186 INFO L158 Benchmark]: Boogie Preprocessor took 57.30ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 42.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:46:45,187 INFO L158 Benchmark]: RCFGBuilder took 624.62ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 29.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:46:45,187 INFO L158 Benchmark]: TraceAbstraction took 771.41ms. Allocated memory is still 83.9MB. Free memory was 53.8MB in the beginning and 38.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:46:45,188 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 94.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:45,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1725.28ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 30.2MB in the beginning and 48.5MB in the end (delta: -18.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.80ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 45.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.30ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 42.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.62ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 29.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 771.41ms. Allocated memory is still 83.9MB. Free memory was 53.8MB in the beginning and 38.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 94.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 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: 1583]: 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, 24 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=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:46:45,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb9e0a9-8420-4720-8fca-b1137e45bfb8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample