./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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 f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:44:28,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:44:28,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:44:28,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:44:28,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:44:28,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:44:28,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:44:28,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:44:28,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:44:28,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:44:28,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:44:28,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:44:28,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:44:28,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:44:28,144 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:44:28,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:44:28,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:44:28,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:44:28,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:44:28,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:44:28,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:44:28,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:44:28,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:44:28,148 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:44:28,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:44:28,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:44:28,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:44:28,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:44:28,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:44:28,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:44:28,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:44:28,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:44:28,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:44:28,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:44:28,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:44:28,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:44:28,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:44:28,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:44:28,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:44:28,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:44:28,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:44:28,154 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_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2024-11-08 17:44:28,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:44:28,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:44:28,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:44:28,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:44:28,454 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:44:28,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i Unable to find full path for "g++" [2024-11-08 17:44:30,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:44:30,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:44:30,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-08 17:44:30,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data/84dddabad/59785a8f75854fccbcd8d12a7d1ed612/FLAGaf5cd0fc5 [2024-11-08 17:44:31,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data/84dddabad/59785a8f75854fccbcd8d12a7d1ed612 [2024-11-08 17:44:31,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:44:31,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:44:31,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:44:31,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:44:31,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:44:31,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:44:31" (1/1) ... [2024-11-08 17:44:31,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3278b853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:31, skipping insertion in model container [2024-11-08 17:44:31,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:44:31" (1/1) ... [2024-11-08 17:44:31,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:44:32,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:44:32,377 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:44:32,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:44:32,722 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:44:32,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32 WrapperNode [2024-11-08 17:44:32,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:44:32,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:44:32,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:44:32,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:44:32,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,813 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 17:44:32,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:44:32,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:44:32,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:44:32,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:44:32,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,843 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:44:32,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:44:32,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:44:32,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:44:32,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:44:32,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (1/1) ... [2024-11-08 17:44:32,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:44:32,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:44:32,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:44:32,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:44:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:44:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:44:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:44:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:44:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:44:33,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:44:33,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:44:33,211 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 17:44:33,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:44:33,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:44:33,226 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:44:33,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:44:33 BoogieIcfgContainer [2024-11-08 17:44:33,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:44:33,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:44:33,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:44:33,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:44:33,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:44:31" (1/3) ... [2024-11-08 17:44:33,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1b7455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:44:33, skipping insertion in model container [2024-11-08 17:44:33,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:32" (2/3) ... [2024-11-08 17:44:33,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1b7455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:44:33, skipping insertion in model container [2024-11-08 17:44:33,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:44:33" (3/3) ... [2024-11-08 17:44:33,236 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-08 17:44:33,255 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:44:33,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:44:33,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:44:33,331 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;@35d1ed84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:44:33,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:44:33,338 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 17:44:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:44:33,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:33,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:33,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:44:33,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:33,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-08 17:44:33,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:44:33,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148263522] [2024-11-08 17:44:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:33,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:44:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:44:33,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:44:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:44:33,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:44:33,543 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:44:33,544 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:44:33,546 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:44:33,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:44:33,550 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:44:33,568 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:44:33,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:44:33 BoogieIcfgContainer [2024-11-08 17:44:33,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:44:33,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:44:33,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:44:33,572 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:44:33,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:44:33" (3/4) ... [2024-11-08 17:44:33,576 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:44:33,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:44:33,578 INFO L158 Benchmark]: Toolchain (without parser) took 2561.87ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 95.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,579 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:44:33,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1709.49ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 128.6MB in the end (delta: 10.4MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.33ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,581 INFO L158 Benchmark]: Boogie Preprocessor took 40.76ms. Allocated memory is still 174.1MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,582 INFO L158 Benchmark]: RCFGBuilder took 371.19ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 111.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,583 INFO L158 Benchmark]: TraceAbstraction took 342.16ms. Allocated memory is still 174.1MB. Free memory was 111.8MB in the beginning and 96.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,583 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 174.1MB. Free memory was 96.0MB in the beginning and 95.0MB in the end (delta: 922.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:44:33,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1709.49ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 128.6MB in the end (delta: 10.4MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.33ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.76ms. Allocated memory is still 174.1MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.19ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 111.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 342.16ms. Allocated memory is still 174.1MB. Free memory was 111.8MB in the beginning and 96.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 174.1MB. Free memory was 96.0MB in the beginning and 95.0MB in the end (delta: 922.5kB). 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: 1567]: 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_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 17:44:33,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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 f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:44:36,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:44:36,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:44:36,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:44:36,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:44:36,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:44:36,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:44:36,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:44:36,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:44:36,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:44:36,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:44:36,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:44:36,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:44:36,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:44:36,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:44:36,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:44:36,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:44:36,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:44:36,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:44:36,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:44:36,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:44:36,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:44:36,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:44:36,291 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:44:36,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:44:36,291 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:44:36,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:44:36,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:44:36,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:44:36,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:44:36,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:44:36,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:44:36,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:44:36,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:44:36,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:44:36,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:44:36,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:44:36,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:44:36,298 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:44:36,298 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:44:36,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:44:36,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:44:36,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:44:36,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:44:36,300 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_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2024-11-08 17:44:36,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:44:36,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:44:36,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:44:36,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:44:36,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:44:36,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i Unable to find full path for "g++" [2024-11-08 17:44:39,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:44:39,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:44:39,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-08 17:44:39,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data/aa1406673/cf49f684567f42ddb1c3c135b2646d34/FLAG961211e8e [2024-11-08 17:44:39,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/data/aa1406673/cf49f684567f42ddb1c3c135b2646d34 [2024-11-08 17:44:39,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:44:39,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:44:39,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:44:39,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:44:39,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:44:39,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:44:39" (1/1) ... [2024-11-08 17:44:39,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677af49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:39, skipping insertion in model container [2024-11-08 17:44:39,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:44:39" (1/1) ... [2024-11-08 17:44:39,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:44:40,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:44:41,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:44:41,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:44:41,340 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:44:41,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41 WrapperNode [2024-11-08 17:44:41,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:44:41,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:44:41,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:44:41,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:44:41,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,424 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 17:44:41,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:44:41,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:44:41,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:44:41,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:44:41,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,460 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:44:41,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:44:41,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:44:41,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:44:41,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:44:41,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (1/1) ... [2024-11-08 17:44:41,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:44:41,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:44:41,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:44:41,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:44:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:44:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:44:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:44:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:44:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:44:41,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:44:41,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:44:41,903 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 17:44:41,903 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:44:41,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:44:41,917 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:44:41,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:44:41 BoogieIcfgContainer [2024-11-08 17:44:41,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:44:41,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:44:41,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:44:41,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:44:41,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:44:39" (1/3) ... [2024-11-08 17:44:41,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7542b695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:44:41, skipping insertion in model container [2024-11-08 17:44:41,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:44:41" (2/3) ... [2024-11-08 17:44:41,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7542b695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:44:41, skipping insertion in model container [2024-11-08 17:44:41,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:44:41" (3/3) ... [2024-11-08 17:44:41,931 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-08 17:44:41,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:44:41,953 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:44:42,022 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:44:42,033 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;@7f62d3ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:44:42,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:44:42,039 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 17:44:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:44:42,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:42,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:42,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:44:42,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:42,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-08 17:44:42,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:42,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397043726] [2024-11-08 17:44:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:42,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:44:42,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:44:42,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:44:42,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:44:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:44:42,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:44:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:44:42,323 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:44:42,325 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:44:42,326 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:44:42,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:44:42,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:44:42,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:44:42,537 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 17:44:42,571 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:44:42,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:44:42 BoogieIcfgContainer [2024-11-08 17:44:42,575 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:44:42,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:44:42,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:44:42,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:44:42,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:44:41" (3/4) ... [2024-11-08 17:44:42,582 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:44:42,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:44:42,585 INFO L158 Benchmark]: Toolchain (without parser) took 3024.38ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 72.4MB in the beginning and 95.8MB in the end (delta: -23.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,587 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 110.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1779.54ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 59.0MB in the end (delta: 13.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.57ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 56.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,591 INFO L158 Benchmark]: Boogie Preprocessor took 48.84ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,592 INFO L158 Benchmark]: RCFGBuilder took 441.20ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 53.7MB in the beginning and 112.5MB in the end (delta: -58.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,593 INFO L158 Benchmark]: TraceAbstraction took 653.92ms. Allocated memory is still 140.5MB. Free memory was 111.7MB in the beginning and 95.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:44:42,594 INFO L158 Benchmark]: Witness Printer took 8.04ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:44:42,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 110.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1779.54ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 59.0MB in the end (delta: 13.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.57ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 56.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.84ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 441.20ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 53.7MB in the beginning and 112.5MB in the end (delta: -58.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 653.92ms. Allocated memory is still 140.5MB. Free memory was 111.7MB in the beginning and 95.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.04ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 95.8MB 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: 1567]: 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_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 17:44:42,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49e1bed-ed8c-41f5-aaca-bb2e131f840e/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