./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 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_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/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_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/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_d048ef8d-e31e-439f-a742-9cb0d580a6be/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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:50:48,858 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:50:48,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 18:50:48,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:50:48,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:50:49,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:50:49,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:50:49,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:50:49,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:50:49,011 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:50:49,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:50:49,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:50:49,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:50:49,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:50:49,013 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:50:49,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:50:49,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:50:49,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:50:49,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:50:49,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:50:49,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:50:49,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:50:49,021 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:50:49,022 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:50:49,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:50:49,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:50:49,023 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:50:49,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:50:49,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:50:49,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:50:49,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:50:49,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:50:49,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:50:49,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:50:49,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:50:49,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:50:49,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:50:49,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:50:49,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:50:49,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:50:49,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:50:49,035 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_d048ef8d-e31e-439f-a742-9cb0d580a6be/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512
[2024-11-08 18:50:49,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:50:49,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:50:49,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:50:49,407 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:50:49,408 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:50:49,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i
Unable to find full path for "g++"
[2024-11-08 18:50:51,517 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:50:51,892 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:50:51,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i
[2024-11-08 18:50:51,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data/6d1fff56d/259d36d73ba74d98aba522dee021ae00/FLAG982daf676
[2024-11-08 18:50:52,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data/6d1fff56d/259d36d73ba74d98aba522dee021ae00
[2024-11-08 18:50:52,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:50:52,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:50:52,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:50:52,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:50:52,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:50:52,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:50:52" (1/1) ...
[2024-11-08 18:50:52,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4588ccbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:52, skipping insertion in model container
[2024-11-08 18:50:52,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:50:52" (1/1) ...
[2024-11-08 18:50:52,216 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:50:53,303 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:50:53,317 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:50:53,411 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:50:53,512 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:50:53,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53 WrapperNode
[2024-11-08 18:50:53,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:50:53,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:50:53,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:50:53,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:50:53,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,594 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45
[2024-11-08 18:50:53,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:50:53,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:50:53,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:50:53,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:50:53,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,626 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-08 18:50:53,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:50:53,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:50:53,656 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:50:53,656 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:50:53,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (1/1) ...
[2024-11-08 18:50:53,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:50:53,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:50:53,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:50:53,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:50:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 18:50:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 18:50:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:50:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:50:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:50:54,040 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:50:54,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:50:54,168 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-08 18:50:54,168 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:50:54,186 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:50:54,187 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:50:54,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:50:54 BoogieIcfgContainer
[2024-11-08 18:50:54,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:50:54,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:50:54,190 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:50:54,194 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:50:54,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:50:52" (1/3) ...
[2024-11-08 18:50:54,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a085c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:50:54, skipping insertion in model container
[2024-11-08 18:50:54,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:50:53" (2/3) ...
[2024-11-08 18:50:54,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a085c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:50:54, skipping insertion in model container
[2024-11-08 18:50:54,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:50:54" (3/3) ...
[2024-11-08 18:50:54,197 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i
[2024-11-08 18:50:54,216 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:50:54,216 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 18:50:54,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:50:54,292 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;@43c927d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:50:54,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 18:50:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 18:50:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 18:50:54,307 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:50:54,308 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:50:54,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 18:50:54,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:50:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times
[2024-11-08 18:50:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:50:54,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849782522]
[2024-11-08 18:50:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:50:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:50:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:50:54,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:50:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:50:54,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:50:54,570 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:50:54,571 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 18:50:54,575 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 18:50:54,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:50:54,581 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 18:50:54,615 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:50:54,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:50:54 BoogieIcfgContainer
[2024-11-08 18:50:54,620 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:50:54,623 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:50:54,623 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:50:54,623 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:50:54,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:50:54" (3/4) ...
[2024-11-08 18:50:54,627 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 18:50:54,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:50:54,630 INFO L158 Benchmark]: Toolchain (without parser) took 2530.64ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 73.9MB in the beginning and 125.2MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:50:54,631 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 113.5MB in the beginning and 113.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:50:54,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.90ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 73.7MB in the beginning and 92.6MB in the end (delta: -18.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB.
[2024-11-08 18:50:54,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.57ms. Allocated memory is still 180.4MB. Free memory was 92.6MB in the beginning and 89.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:50:54,634 INFO L158 Benchmark]: Boogie Preprocessor took 60.36ms. Allocated memory is still 180.4MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:50:54,635 INFO L158 Benchmark]: RCFGBuilder took 531.90ms. Allocated memory is still 180.4MB. Free memory was 87.4MB in the beginning and 142.0MB in the end (delta: -54.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-08 18:50:54,636 INFO L158 Benchmark]: TraceAbstraction took 430.16ms. Allocated memory is still 180.4MB. Free memory was 140.9MB in the beginning and 125.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 18:50:54,637 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 180.4MB. Free memory was 125.2MB in the beginning and 125.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:50:54,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 113.5MB in the beginning and 113.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1411.90ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 73.7MB in the beginning and 92.6MB in the end (delta: -18.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 80.57ms. Allocated memory is still 180.4MB. Free memory was 92.6MB in the beginning and 89.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 60.36ms. Allocated memory is still 180.4MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 531.90ms. Allocated memory is still 180.4MB. Free memory was 87.4MB in the beginning and 142.0MB in the end (delta: -54.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 430.16ms. Allocated memory is still 180.4MB. Free memory was 140.9MB in the beginning and 125.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 6.02ms. Allocated memory is still 180.4MB. Free memory was 125.2MB in the beginning and 125.2MB 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: 1554]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1562.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1562] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1562] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad()
[L1550] int data;
[L1551] data = 0
[L1554] data--
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 18:50:54,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/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_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/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_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/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_d048ef8d-e31e-439f-a742-9cb0d580a6be/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 a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:50:57,371 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:50:57,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-08 18:50:57,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:50:57,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:50:57,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-08 18:50:57,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:50:57,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:50:57,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:50:57,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:50:57,557 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:50:57,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:50:57,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:50:57,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:50:57,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:50:57,563 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:50:57,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:50:57,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:50:57,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:50:57,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:50:57,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:50:57,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:50:57,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 18:50:57,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 18:50:57,567 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:50:57,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:50:57,568 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 18:50:57,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:50:57,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:50:57,569 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:50:57,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:50:57,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:50:57,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:50:57,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:50:57,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:50:57,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:50:57,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:50:57,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:50:57,572 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 18:50:57,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 18:50:57,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:50:57,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:50:57,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:50:57,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:50:57,575 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_d048ef8d-e31e-439f-a742-9cb0d580a6be/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2728df84dd5cd10928ab04965f51e63cc153a2180348084902801ae5f9a8512
[2024-11-08 18:50:57,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:50:58,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:50:58,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:50:58,021 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:50:58,022 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:50:58,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i
Unable to find full path for "g++"
[2024-11-08 18:51:00,304 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:51:00,761 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:51:00,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i
[2024-11-08 18:51:00,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data/e38ec6f85/7315586108bd469bb705595fc37375d8/FLAGeafe7f396
[2024-11-08 18:51:00,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/data/e38ec6f85/7315586108bd469bb705595fc37375d8
[2024-11-08 18:51:00,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:51:00,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:51:00,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:51:00,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:51:00,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:51:00,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:00" (1/1) ...
[2024-11-08 18:51:00,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733086f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:00, skipping insertion in model container
[2024-11-08 18:51:00,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:51:00" (1/1) ...
[2024-11-08 18:51:00,903 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:51:02,073 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:51:02,089 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:51:02,208 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:51:02,359 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:51:02,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02 WrapperNode
[2024-11-08 18:51:02,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:51:02,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:51:02,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:51:02,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:51:02,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,426 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44
[2024-11-08 18:51:02,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:51:02,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:51:02,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:51:02,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:51:02,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,457 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-08 18:51:02,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:51:02,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:51:02,494 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:51:02,494 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:51:02,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (1/1) ...
[2024-11-08 18:51:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:51:02,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:51:02,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:51:02,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:51:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 18:51:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 18:51:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:51:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:51:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:51:02,836 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:51:02,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:51:02,985 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-11-08 18:51:02,985 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:51:03,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:51:03,001 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:51:03,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:03 BoogieIcfgContainer
[2024-11-08 18:51:03,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:51:03,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:51:03,005 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:51:03,008 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:51:03,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:51:00" (1/3) ...
[2024-11-08 18:51:03,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e654216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:03, skipping insertion in model container
[2024-11-08 18:51:03,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:51:02" (2/3) ...
[2024-11-08 18:51:03,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e654216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:51:03, skipping insertion in model container
[2024-11-08 18:51:03,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:03" (3/3) ...
[2024-11-08 18:51:03,014 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_01_bad.i
[2024-11-08 18:51:03,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:51:03,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 18:51:03,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:51:03,123 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;@5f837ff3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:51:03,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 18:51:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 18:51:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 18:51:03,136 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:51:03,136 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:51:03,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 18:51:03,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:51:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times
[2024-11-08 18:51:03,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:51:03,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532670799]
[2024-11-08 18:51:03,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:51:03,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:51:03,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:51:03,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:51:03,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:51:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:51:03,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:51:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:51:03,328 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 18:51:03,330 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:51:03,331 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 18:51:03,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 18:51:03,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 18:51:03,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:51:03,538 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 18:51:03,567 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:51:03,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:51:03 BoogieIcfgContainer
[2024-11-08 18:51:03,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:51:03,573 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:51:03,573 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:51:03,573 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:51:03,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:51:03" (3/4) ...
[2024-11-08 18:51:03,578 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 18:51:03,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:51:03,581 INFO L158 Benchmark]: Toolchain (without parser) took 2766.53ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 55.8MB in the beginning and 60.6MB in the end (delta: -4.7MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB.
[2024-11-08 18:51:03,581 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:51:03,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1543.11ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 55.4MB in the beginning and 43.1MB in the end (delta: 12.3MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB.
[2024-11-08 18:51:03,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.39ms. Allocated memory is still 111.1MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:51:03,585 INFO L158 Benchmark]: Boogie Preprocessor took 65.85ms. Allocated memory is still 111.1MB. Free memory was 40.2MB in the beginning and 38.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:51:03,586 INFO L158 Benchmark]: RCFGBuilder took 507.70ms. Allocated memory is still 111.1MB. Free memory was 38.1MB in the beginning and 76.5MB in the end (delta: -38.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB.
[2024-11-08 18:51:03,587 INFO L158 Benchmark]: TraceAbstraction took 567.78ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 60.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 18:51:03,589 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 111.1MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:51:03,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 81.8MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1543.11ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 55.4MB in the beginning and 43.1MB in the end (delta: 12.3MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 66.39ms. Allocated memory is still 111.1MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 65.85ms. Allocated memory is still 111.1MB. Free memory was 40.2MB in the beginning and 38.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 507.70ms. Allocated memory is still 111.1MB. Free memory was 38.1MB in the beginning and 76.5MB in the end (delta: -38.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 567.78ms. Allocated memory is still 111.1MB. Free memory was 76.0MB in the beginning and 60.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 6.54ms. Allocated memory is still 111.1MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1562.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1562] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1562] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1563] CALL CWE191_Integer_Underflow__int_fscanf_postdec_01_bad()
[L1550] int data;
[L1551] data = 0
[L1554] data--
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 18:51:03,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d048ef8d-e31e-439f-a742-9cb0d580a6be/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample