./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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 1bdad85984e832bdb95e3de165b32fd3aa81273e46fb1432b9d8d999777dd732
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 12:23:53,587 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 12:23:53,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 12:23:53,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 12:23:53,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 12:23:53,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 12:23:53,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 12:23:53,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 12:23:53,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 12:23:53,717 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 12:23:53,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 12:23:53,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 12:23:53,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 12:23:53,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 12:23:53,720 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 12:23:53,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 12:23:53,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 12:23:53,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 12:23:53,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 12:23:53,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 12:23:53,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 12:23:53,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 12:23:53,726 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 12:23:53,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 12:23:53,726 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 12:23:53,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 12:23:53,727 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 12:23:53,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 12:23:53,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 12:23:53,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 12:23:53,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 12:23:53,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:23:53,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 12:23:53,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 12:23:53,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 12:23:53,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 12:23:53,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 12:23:53,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 12:23:53,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 12:23:53,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 12:23:53,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 12:23:53,736 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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bdad85984e832bdb95e3de165b32fd3aa81273e46fb1432b9d8d999777dd732
[2024-11-08 12:23:53,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 12:23:54,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 12:23:54,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 12:23:54,022 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 12:23:54,023 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 12:23:54,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i
Unable to find full path for "g++"
[2024-11-08 12:23:56,062 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 12:23:56,477 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 12:23:56,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i
[2024-11-08 12:23:56,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data/10d57cb4f/2356b88284bf469b8519b0d1b2f6b4da/FLAG6bc75b336
[2024-11-08 12:23:56,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data/10d57cb4f/2356b88284bf469b8519b0d1b2f6b4da
[2024-11-08 12:23:56,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 12:23:56,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 12:23:56,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 12:23:56,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 12:23:56,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 12:23:56,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:56" (1/1) ...
[2024-11-08 12:23:56,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df3dfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:56, skipping insertion in model container
[2024-11-08 12:23:56,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:56" (1/1) ...
[2024-11-08 12:23:56,624 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 12:23:57,798 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:23:57,809 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 12:23:57,923 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:23:58,109 INFO L204 MainTranslator]: Completed translation
[2024-11-08 12:23:58,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58 WrapperNode
[2024-11-08 12:23:58,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 12:23:58,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 12:23:58,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 12:23:58,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 12:23:58,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,168 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54
[2024-11-08 12:23:58,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 12:23:58,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 12:23:58,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 12:23:58,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 12:23:58,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,203 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1].
[2024-11-08 12:23:58,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 12:23:58,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 12:23:58,231 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 12:23:58,231 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 12:23:58,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (1/1) ...
[2024-11-08 12:23:58,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:23:58,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:23:58,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 12:23:58,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 12:23:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 12:23:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 12:23:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 12:23:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 12:23:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 12:23:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 12:23:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 12:23:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 12:23:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 12:23:58,472 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 12:23:58,474 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 12:23:58,625 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2024-11-08 12:23:58,625 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 12:23:58,637 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 12:23:58,638 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 12:23:58,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:58 BoogieIcfgContainer
[2024-11-08 12:23:58,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 12:23:58,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 12:23:58,641 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 12:23:58,647 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 12:23:58,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:23:56" (1/3) ...
[2024-11-08 12:23:58,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245fab75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:58, skipping insertion in model container
[2024-11-08 12:23:58,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:58" (2/3) ...
[2024-11-08 12:23:58,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245fab75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:58, skipping insertion in model container
[2024-11-08 12:23:58,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:58" (3/3) ...
[2024-11-08 12:23:58,650 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i
[2024-11-08 12:23:58,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 12:23:58,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 12:23:58,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 12:23:58,741 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;@2252ee58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 12:23:58,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 12:23:58,749 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 12:23:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 12:23:58,758 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:23:58,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:58,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 12:23:58,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times
[2024-11-08 12:23:58,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:58,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92074709]
[2024-11-08 12:23:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:23:58,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 12:23:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:23:59,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 12:23:59,002 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 12:23:59,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 12:23:59,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 12:23:59,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 12:23:59,011 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 12:23:59,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 12:23:59,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:23:59 BoogieIcfgContainer
[2024-11-08 12:23:59,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 12:23:59,044 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 12:23:59,044 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 12:23:59,044 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 12:23:59,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:58" (3/4) ...
[2024-11-08 12:23:59,049 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 12:23:59,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 12:23:59,052 INFO L158 Benchmark]: Toolchain (without parser) took 2523.33ms. Allocated memory is still 192.9MB. Free memory was 157.9MB in the beginning and 105.1MB in the end (delta: 52.8MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB.
[2024-11-08 12:23:59,053 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:23:59,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1577.96ms. Allocated memory is still 192.9MB. Free memory was 157.9MB in the beginning and 141.5MB in the end (delta: 16.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB.
[2024-11-08 12:23:59,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.20ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 138.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:23:59,056 INFO L158 Benchmark]: Boogie Preprocessor took 56.95ms. Allocated memory is still 192.9MB. Free memory was 138.7MB in the beginning and 136.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:23:59,058 INFO L158 Benchmark]: RCFGBuilder took 411.92ms. Allocated memory is still 192.9MB. Free memory was 136.6MB in the beginning and 124.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 12:23:59,058 INFO L158 Benchmark]: TraceAbstraction took 401.75ms. Allocated memory is still 192.9MB. Free memory was 122.9MB in the beginning and 105.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 12:23:59,059 INFO L158 Benchmark]: Witness Printer took 6.97ms. Allocated memory is still 192.9MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:23:59,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1577.96ms. Allocated memory is still 192.9MB. Free memory was 157.9MB in the beginning and 141.5MB in the end (delta: 16.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 58.20ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 138.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 56.95ms. Allocated memory is still 192.9MB. Free memory was 138.7MB in the beginning and 136.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 411.92ms. Allocated memory is still 192.9MB. Free memory was 136.6MB in the beginning and 124.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 401.75ms. Allocated memory is still 192.9MB. Free memory was 122.9MB in the beginning and 105.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 6.97ms. Allocated memory is still 192.9MB. Free memory is still 105.1MB. 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: 1570]: 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 1561.
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]
[L1561] 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)
[L1561] 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]
[L1562] CALL CWE191_Integer_Underflow__int_fscanf_predec_66_bad()
[L1551] int data;
[L1552] int dataArray[5];
[L1553] data = 0
[L1555] dataArray[2] = data
[L1556] CALL CWE191_Integer_Underflow__int_fscanf_predec_66b_badSink(dataArray)
[L1568] EXPR dataArray[2]
[L1568] int data = dataArray[2];
[L1570] --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: 1570]: 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, 0.1s 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 12:23:59,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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
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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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 1bdad85984e832bdb95e3de165b32fd3aa81273e46fb1432b9d8d999777dd732
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 12:24:01,571 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 12:24:01,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-08 12:24:01,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 12:24:01,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 12:24:01,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-08 12:24:01,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 12:24:01,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 12:24:01,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 12:24:01,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 12:24:01,735 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 12:24:01,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 12:24:01,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 12:24:01,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 12:24:01,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 12:24:01,741 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 12:24:01,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 12:24:01,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 12:24:01,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 12:24:01,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 12:24:01,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 12:24:01,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 12:24:01,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 12:24:01,745 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 12:24:01,745 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 12:24:01,746 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 12:24:01,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 12:24:01,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 12:24:01,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 12:24:01,748 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 12:24:01,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 12:24:01,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 12:24:01,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 12:24:01,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 12:24:01,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:24:01,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 12:24:01,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 12:24:01,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 12:24:01,751 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 12:24:01,751 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 12:24:01,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 12:24:01,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 12:24:01,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 12:24:01,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 12:24:01,755 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_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bdad85984e832bdb95e3de165b32fd3aa81273e46fb1432b9d8d999777dd732
[2024-11-08 12:24:02,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 12:24:02,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 12:24:02,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 12:24:02,237 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 12:24:02,237 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 12:24:02,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i
Unable to find full path for "g++"
[2024-11-08 12:24:04,502 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 12:24:04,928 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 12:24:04,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i
[2024-11-08 12:24:04,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data/177c190ea/5cc552997ade450882d9aba28a8396ff/FLAG57478aa7c
[2024-11-08 12:24:05,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/data/177c190ea/5cc552997ade450882d9aba28a8396ff
[2024-11-08 12:24:05,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 12:24:05,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 12:24:05,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 12:24:05,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 12:24:05,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 12:24:05,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:24:05" (1/1) ...
[2024-11-08 12:24:05,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dc8e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:05, skipping insertion in model container
[2024-11-08 12:24:05,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:24:05" (1/1) ...
[2024-11-08 12:24:05,193 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 12:24:06,177 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:24:06,190 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 12:24:06,297 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:24:06,467 INFO L204 MainTranslator]: Completed translation
[2024-11-08 12:24:06,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06 WrapperNode
[2024-11-08 12:24:06,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 12:24:06,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 12:24:06,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 12:24:06,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 12:24:06,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,535 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53
[2024-11-08 12:24:06,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 12:24:06,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 12:24:06,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 12:24:06,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 12:24:06,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,576 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1].
[2024-11-08 12:24:06,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 12:24:06,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 12:24:06,598 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 12:24:06,598 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 12:24:06,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:24:06,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:24:06,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 12:24:06,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 12:24:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 12:24:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 12:24:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 12:24:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 12:24:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 12:24:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 12:24:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 12:24:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 12:24:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-08 12:24:06,872 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 12:24:06,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 12:24:07,137 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-08 12:24:07,137 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 12:24:07,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 12:24:07,155 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 12:24:07,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:07 BoogieIcfgContainer
[2024-11-08 12:24:07,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 12:24:07,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 12:24:07,160 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 12:24:07,164 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 12:24:07,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:24:05" (1/3) ...
[2024-11-08 12:24:07,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42943ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:24:07, skipping insertion in model container
[2024-11-08 12:24:07,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (2/3) ...
[2024-11-08 12:24:07,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42943ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:24:07, skipping insertion in model container
[2024-11-08 12:24:07,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:07" (3/3) ...
[2024-11-08 12:24:07,169 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_66_bad.i
[2024-11-08 12:24:07,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 12:24:07,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 12:24:07,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 12:24:07,292 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;@4045f19e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 12:24:07,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 12:24:07,297 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 12:24:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 12:24:07,306 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:24:07,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:24:07,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 12:24:07,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:24:07,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times
[2024-11-08 12:24:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 12:24:07,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388200449]
[2024-11-08 12:24:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:07,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:24:07,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:24:07,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 12:24:07,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 12:24:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:24:07,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 12:24:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:24:07,605 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 12:24:07,607 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 12:24:07,608 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 12:24:07,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 12:24:07,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 12:24:07,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:24:07,816 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 12:24:07,837 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 12:24:07,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:24:07 BoogieIcfgContainer
[2024-11-08 12:24:07,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 12:24:07,841 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 12:24:07,841 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 12:24:07,841 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 12:24:07,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:07" (3/4) ...
[2024-11-08 12:24:07,844 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 12:24:07,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 12:24:07,847 INFO L158 Benchmark]: Toolchain (without parser) took 2737.39ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 43.6MB in the beginning and 66.5MB in the end (delta: -22.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-11-08 12:24:07,848 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:24:07,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1357.36ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 43.3MB in the beginning and 69.2MB in the end (delta: -25.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB.
[2024-11-08 12:24:07,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.80ms. Allocated memory is still 115.3MB. Free memory was 69.2MB in the beginning and 66.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:24:07,850 INFO L158 Benchmark]: Boogie Preprocessor took 60.74ms. Allocated memory is still 115.3MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:24:07,850 INFO L158 Benchmark]: RCFGBuilder took 558.68ms. Allocated memory is still 115.3MB. Free memory was 62.9MB in the beginning and 84.0MB in the end (delta: -21.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB.
[2024-11-08 12:24:07,851 INFO L158 Benchmark]: TraceAbstraction took 682.06ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 66.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 12:24:07,851 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 115.3MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:24:07,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.21ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1357.36ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 43.3MB in the beginning and 69.2MB in the end (delta: -25.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 66.80ms. Allocated memory is still 115.3MB. Free memory was 69.2MB in the beginning and 66.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 60.74ms. Allocated memory is still 115.3MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 558.68ms. Allocated memory is still 115.3MB. Free memory was 62.9MB in the beginning and 84.0MB in the end (delta: -21.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 682.06ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 66.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 5.07ms. Allocated memory is still 115.3MB. Free memory is still 66.5MB. 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: 1570]: 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 1561.
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]
[L1561] 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)
[L1561] 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]
[L1562] CALL CWE191_Integer_Underflow__int_fscanf_predec_66_bad()
[L1551] int data;
[L1552] int dataArray[5];
[L1553] data = 0
[L1555] dataArray[2] = data
[L1556] CALL CWE191_Integer_Underflow__int_fscanf_predec_66b_badSink(dataArray)
[L1568] EXPR dataArray[2]
[L1568] int data = dataArray[2];
[L1570] --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: 1570]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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 12:24:07,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed45ee2e-0bfb-4f25-82d8-df50bf1da4e5/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