./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:46:48,391 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:46:48,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 22:46:48,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:46:48,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:46:48,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:46:48,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:46:48,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:46:48,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:46:48,484 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:46:48,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:46:48,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:46:48,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:46:48,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:46:48,485 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:46:48,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:46:48,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:46:48,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:46:48,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:46:48,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:46:48,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:46:48,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:46:48,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:46:48,489 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d
[2024-11-07 22:46:48,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:46:48,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:46:48,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:46:48,721 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:46:48,721 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:46:48,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i
[2024-11-07 22:46:49,993 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:46:50,334 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:46:50,337 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i
[2024-11-07 22:46:50,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47eab768c/24adabd62d7148c8be78c885b8dfc8cb/FLAGa01f87e1f
[2024-11-07 22:46:50,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47eab768c/24adabd62d7148c8be78c885b8dfc8cb
[2024-11-07 22:46:50,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:46:50,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:46:50,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:46:50,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:46:50,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:46:50,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:50" (1/1) ...
[2024-11-07 22:46:50,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfc7420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:50, skipping insertion in model container
[2024-11-07 22:46:50,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:50" (1/1) ...
[2024-11-07 22:46:50,458 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:46:51,112 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:46:51,122 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:46:51,216 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:46:51,354 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:46:51,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51 WrapperNode
[2024-11-07 22:46:51,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:46:51,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:46:51,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:46:51,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:46:51,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,413 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50
[2024-11-07 22:46:51,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:46:51,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:46:51,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:46:51,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:46:51,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,448 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].
[2024-11-07 22:46:51,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:46:51,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:46:51,473 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:46:51,473 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:46:51,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (1/1) ...
[2024-11-07 22:46:51,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:46:51,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:46:51,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 22:46:51,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 22:46:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:46:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:46:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 22:46:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-07 22:46:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:46:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:46:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:46:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 22:46:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-07 22:46:51,686 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:46:51,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:46:51,781 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-11-07 22:46:51,781 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:46:51,790 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:46:51,790 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:46:51,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:51 BoogieIcfgContainer
[2024-11-07 22:46:51,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:46:51,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:46:51,793 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:46:51,798 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:46:51,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:46:50" (1/3) ...
[2024-11-07 22:46:51,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f842bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:51, skipping insertion in model container
[2024-11-07 22:46:51,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:51" (2/3) ...
[2024-11-07 22:46:51,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f842bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:51, skipping insertion in model container
[2024-11-07 22:46:51,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:51" (3/3) ...
[2024-11-07 22:46:51,800 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i
[2024-11-07 22:46:51,829 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:46:51,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:46:51,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:46:51,883 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;@2a07011a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:46:51,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:46:51,888 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)
[2024-11-07 22:46:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 22:46:51,894 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:46:51,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:46:51,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:46:51,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:46:51,900 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times
[2024-11-07 22:46:51,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:46:51,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872549182]
[2024-11-07 22:46:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:46:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:46:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:46:52,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:46:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:46:52,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 22:46:52,056 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:46:52,057 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:46:52,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:46:52,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 22:46:52,065 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:46:52,084 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:46:52,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:46:52 BoogieIcfgContainer
[2024-11-07 22:46:52,090 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:46:52,090 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:46:52,090 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:46:52,090 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:46:52,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:51" (3/4) ...
[2024-11-07 22:46:52,094 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:46:52,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:46:52,096 INFO L158 Benchmark]: Toolchain (without parser) took 1708.65ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 58.3MB in the end (delta: 14.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB.
[2024-11-07 22:46:52,097 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:52,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.83ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 47.5MB in the end (delta: 25.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB.
[2024-11-07 22:46:52,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.17ms. Allocated memory is still 100.7MB. Free memory was 47.5MB in the beginning and 44.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:46:52,098 INFO L158 Benchmark]: Boogie Preprocessor took 57.64ms. Allocated memory is still 100.7MB. Free memory was 44.8MB in the beginning and 43.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:52,098 INFO L158 Benchmark]: RCFGBuilder took 317.77ms. Allocated memory is still 100.7MB. Free memory was 43.4MB in the beginning and 31.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:46:52,099 INFO L158 Benchmark]: TraceAbstraction took 297.04ms. Allocated memory is still 100.7MB. Free memory was 31.4MB in the beginning and 58.9MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:52,099 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 58.3MB in the end (delta: 600.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:52,101 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 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 966.83ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 47.5MB in the end (delta: 25.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 57.17ms. Allocated memory is still 100.7MB. Free memory was 47.5MB in the beginning and 44.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.64ms. Allocated memory is still 100.7MB. Free memory was 44.8MB in the beginning and 43.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 317.77ms. Allocated memory is still 100.7MB. Free memory was 43.4MB in the beginning and 31.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 297.04ms. Allocated memory is still 100.7MB. Free memory was 31.4MB in the beginning and 58.9MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.60ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 58.3MB in the end (delta: 600.1kB). 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: 1563]: 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 1571.
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]
[L1571] 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)
[L1571] 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]
[L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_34_bad()
[L1555] int data;
[L1556] CWE191_Integer_Underflow__int_fscanf_sub_34_unionType myUnion;
[L1557] data = 0
[L1559] myUnion.unionFirst = data
[L1561] EXPR myUnion.unionSecond
[L1561] int data = myUnion.unionSecond;
[L1563] data - 1
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1563]: 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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
[2024-11-07 22:46:52,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:46:54,361 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:46:54,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 22:46:54,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:46:54,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:46:54,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 22:46:54,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:46:54,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:46:54,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:46:54,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:46:54,474 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:46:54,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:46:54,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:46:54,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:46:54,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:46:54,476 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:46:54,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:46:54,477 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 22:46:54,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:46:54,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:46:54,478 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:46:54,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:46:54,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:46:54,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:46:54,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:46:54,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:46:54,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:46:54,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:46:54,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:46:54,480 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 22:46:54,480 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 22:46:54,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:46:54,480 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:46:54,480 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:46:54,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:46:54,481 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d
[2024-11-07 22:46:54,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:46:54,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:46:54,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:46:54,756 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:46:54,756 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:46:54,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i
[2024-11-07 22:46:56,129 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:46:56,487 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:46:56,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i
[2024-11-07 22:46:56,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ee4db59a/efe4e4db872b4efa9c9e6aefdf6ace70/FLAGbc5ed7128
[2024-11-07 22:46:56,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ee4db59a/efe4e4db872b4efa9c9e6aefdf6ace70
[2024-11-07 22:46:56,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:46:56,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:46:56,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:46:56,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:46:56,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:46:56,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:56" (1/1) ...
[2024-11-07 22:46:56,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c75fade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:56, skipping insertion in model container
[2024-11-07 22:46:56,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:56" (1/1) ...
[2024-11-07 22:46:56,588 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:46:57,209 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:46:57,222 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:46:57,355 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:46:57,499 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:46:57,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57 WrapperNode
[2024-11-07 22:46:57,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:46:57,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:46:57,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:46:57,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:46:57,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,561 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49
[2024-11-07 22:46:57,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:46:57,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:46:57,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:46:57,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:46:57,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,586 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].
[2024-11-07 22:46:57,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:46:57,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:46:57,612 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:46:57,612 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:46:57,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (1/1) ...
[2024-11-07 22:46:57,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:46:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:46:57,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 22:46:57,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:46:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:46:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 22:46:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 22:46:57,830 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:46:57,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:46:57,953 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-07 22:46:57,953 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:46:57,961 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:46:57,961 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:46:57,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:57 BoogieIcfgContainer
[2024-11-07 22:46:57,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:46:57,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:46:57,963 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:46:57,968 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:46:57,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:46:56" (1/3) ...
[2024-11-07 22:46:57,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527642c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:57, skipping insertion in model container
[2024-11-07 22:46:57,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:57" (2/3) ...
[2024-11-07 22:46:57,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527642c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:57, skipping insertion in model container
[2024-11-07 22:46:57,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:57" (3/3) ...
[2024-11-07 22:46:57,971 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i
[2024-11-07 22:46:57,985 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:46:57,985 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:46:58,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:46:58,040 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;@607c0884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:46:58,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:46:58,045 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)
[2024-11-07 22:46:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 22:46:58,050 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:46:58,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:46:58,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:46:58,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:46:58,056 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times
[2024-11-07 22:46:58,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 22:46:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566374054]
[2024-11-07 22:46:58,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:46:58,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 22:46:58,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 22:46:58,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 22:46:58,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 22:46:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:46:58,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:46:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:46:58,289 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 22:46:58,291 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:46:58,293 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:46:58,295 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:46:58,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-07 22:46:58,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 22:46:58,499 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:46:58,515 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:46:58,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:46:58 BoogieIcfgContainer
[2024-11-07 22:46:58,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:46:58,518 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:46:58,518 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:46:58,518 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:46:58,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:57" (3/4) ...
[2024-11-07 22:46:58,521 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:46:58,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:46:58,523 INFO L158 Benchmark]: Toolchain (without parser) took 1985.34ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 82.2MB in the end (delta: 8.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB.
[2024-11-07 22:46:58,524 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:58,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.13ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 77.4MB in the end (delta: 13.1MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB.
[2024-11-07 22:46:58,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.76ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:58,525 INFO L158 Benchmark]: Boogie Preprocessor took 46.30ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:58,526 INFO L158 Benchmark]: RCFGBuilder took 352.41ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 60.0MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:46:58,526 INFO L158 Benchmark]: TraceAbstraction took 554.50ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 82.9MB in the end (delta: -23.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB.
[2024-11-07 22:46:58,526 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 82.2MB in the end (delta: 632.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:46:58,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 961.13ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 77.4MB in the end (delta: 13.1MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 60.76ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 46.30ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 352.41ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 60.0MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 554.50ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 82.9MB in the end (delta: -23.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB.
* Witness Printer took 3.65ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 82.2MB in the end (delta: 632.6kB). 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: 1563]: 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 1571.
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]
[L1571] 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)
[L1571] 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]
[L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_34_bad()
[L1555] int data;
[L1556] CWE191_Integer_Underflow__int_fscanf_sub_34_unionType myUnion;
[L1557] data = 0
[L1559] myUnion.unionFirst = data
[L1561] EXPR myUnion.unionSecond
[L1561] int data = myUnion.unionSecond;
[L1563] data - 1
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1563]: 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
[2024-11-07 22:46:58,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample