./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_01_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/CWE190_Integer_Overflow__int_fgets_preinc_01_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', 'ec1d6a1f69e41a5da2bca04baded77905b2f6d421778938f81dd592290f191d5']
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/CWE190_Integer_Overflow__int_fgets_preinc_01_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 ec1d6a1f69e41a5da2bca04baded77905b2f6d421778938f81dd592290f191d5
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:43:33,609 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:43:33,692 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 21:43:33,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:43:33,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:43:33,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:43:33,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:43:33,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:43:33,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:43:33,753 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 21:43:33,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:43:33,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:43:33,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:43:33,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 21:43:33,753 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 21:43:33,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 21:43:33,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 21:43:33,759 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 21:43:33,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:43:33,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 21:43:33,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:43:33,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 21:43:33,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:33,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:43:33,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:43:33,761 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 -> ec1d6a1f69e41a5da2bca04baded77905b2f6d421778938f81dd592290f191d5
[2024-11-07 21:43:34,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:43:34,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:43:34,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:43:34,234 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 21:43:34,234 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 21:43:34,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_01_bad.i
[2024-11-07 21:43:35,429 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:43:35,786 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 21:43:35,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_01_bad.i
[2024-11-07 21:43:35,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7685ae9c4/7756ab710e41495cbaf65f6f84067c54/FLAGc1ffe648b
[2024-11-07 21:43:36,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7685ae9c4/7756ab710e41495cbaf65f6f84067c54
[2024-11-07 21:43:36,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:43:36,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:43:36,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:36,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:43:36,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:43:36,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d9c188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36, skipping insertion in model container
[2024-11-07 21:43:36,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,053 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:43:36,544 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:36,555 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 21:43:36,641 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:36,745 INFO L204 MainTranslator]: Completed translation
[2024-11-07 21:43:36,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36 WrapperNode
[2024-11-07 21:43:36,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:36,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:36,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:43:36,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:43:36,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,798 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67
[2024-11-07 21:43:36,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:36,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:43:36,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:43:36,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:43:36,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,824 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-11-07 21:43:36,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:43:36,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:43:36,834 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:43:36,834 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:43:36,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (1/1) ...
[2024-11-07 21:43:36,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:36,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:43:36,855 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 21:43:36,856 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 21:43:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:43:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:43:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:43:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:43:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:43:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 21:43:37,004 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 21:43:37,006 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:43:37,075 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-07 21:43:37,075 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 21:43:37,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:43:37,083 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:43:37,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:37 BoogieIcfgContainer
[2024-11-07 21:43:37,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:43:37,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:43:37,086 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:43:37,089 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:43:37,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:43:36" (1/3) ...
[2024-11-07 21:43:37,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75460c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:37, skipping insertion in model container
[2024-11-07 21:43:37,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:36" (2/3) ...
[2024-11-07 21:43:37,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75460c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:37, skipping insertion in model container
[2024-11-07 21:43:37,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:37" (3/3) ...
[2024-11-07 21:43:37,091 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_01_bad.i
[2024-11-07 21:43:37,100 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:43:37,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:43:37,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:43:37,139 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;@7d75bd17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:43:37,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:43:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 21:43:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 21:43:37,148 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:43:37,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:37,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:37,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 733376356, now seen corresponding path program 1 times
[2024-11-07 21:43:37,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:43:37,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069424229]
[2024-11-07 21:43:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:43:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:43:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:43:37,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:43:37,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069424229]
[2024-11-07 21:43:37,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069424229] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:43:37,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:43:37,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:43:37,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925427828]
[2024-11-07 21:43:37,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:43:37,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:43:37,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:43:37,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:43:37,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:37,416 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:43:37,442 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions.
[2024-11-07 21:43:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 21:43:37,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-07 21:43:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:43:37,447 INFO L225 Difference]: With dead ends: 23
[2024-11-07 21:43:37,447 INFO L226 Difference]: Without dead ends: 15
[2024-11-07 21:43:37,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:37,451 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:43:37,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 37 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:43:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-11-07 21:43:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-11-07 21:43:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 21:43:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-11-07 21:43:37,475 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11
[2024-11-07 21:43:37,489 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:43:37,489 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-11-07 21:43:37,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-11-07 21:43:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-07 21:43:37,490 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:43:37,490 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:37,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 21:43:37,490 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:37,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:37,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1259830611, now seen corresponding path program 1 times
[2024-11-07 21:43:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:43:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102486786]
[2024-11-07 21:43:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:43:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:37,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:43:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:37,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 21:43:37,555 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:43:37,556 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:43:37,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:43:37,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 21:43:37,560 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 21:43:37,583 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:43:37,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:43:37 BoogieIcfgContainer
[2024-11-07 21:43:37,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:43:37,594 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:43:37,594 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:43:37,594 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 21:43:37,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:37" (3/4) ...
[2024-11-07 21:43:37,596 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:43:37,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:43:37,601 INFO L158 Benchmark]: Toolchain (without parser) took 1590.40ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 62.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB.
[2024-11-07 21:43:37,601 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:37,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.42ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 48.9MB in the end (delta: 25.0MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
[2024-11-07 21:43:37,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.59ms. Allocated memory is still 100.7MB. Free memory was 48.9MB in the beginning and 46.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:43:37,601 INFO L158 Benchmark]: Boogie Preprocessor took 34.05ms. Allocated memory is still 100.7MB. Free memory was 46.5MB in the beginning and 44.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:37,601 INFO L158 Benchmark]: RCFGBuilder took 249.00ms. Allocated memory is still 100.7MB. Free memory was 44.6MB in the beginning and 64.6MB in the end (delta: -20.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB.
[2024-11-07 21:43:37,602 INFO L158 Benchmark]: TraceAbstraction took 507.80ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 62.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB.
[2024-11-07 21:43:37,602 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 62.0MB in the end (delta: 551.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:37,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.78ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 734.42ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 48.9MB in the end (delta: 25.0MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 52.59ms. Allocated memory is still 100.7MB. Free memory was 48.9MB in the beginning and 46.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.05ms. Allocated memory is still 100.7MB. Free memory was 46.5MB in the beginning and 44.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 249.00ms. Allocated memory is still 100.7MB. Free memory was 44.6MB in the beginning and 64.6MB in the end (delta: -20.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 507.80ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 62.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB.
* Witness Printer took 6.43ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 62.0MB in the end (delta: 551.4kB). 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: 1564]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1572, overapproximation of fgets at line 1554.
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]
[L1572] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1572] 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]
[L1573] CALL CWE190_Integer_Overflow__int_fgets_preinc_01_bad()
[L1550] int data;
[L1551] data = 0
[L1553] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1556] data = atoi(inputBuffer)
[L1564] ++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: 1564]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 21:43:37,641 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/CWE190_Integer_Overflow__int_fgets_preinc_01_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 ec1d6a1f69e41a5da2bca04baded77905b2f6d421778938f81dd592290f191d5
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:43:39,639 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:43:39,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 21:43:39,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:43:39,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:43:39,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 21:43:39,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:43:39,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:43:39,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:43:39,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:43:39,783 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 21:43:39,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:43:39,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:43:39,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:43:39,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 21:43:39,784 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 21:43:39,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 21:43:39,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 21:43:39,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:43:39,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 21:43:39,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:39,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:43:39,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:43:39,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:43:39,787 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 21:43:39,787 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 21:43:39,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:43:39,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:43:39,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:43:39,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:43:39,788 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 -> ec1d6a1f69e41a5da2bca04baded77905b2f6d421778938f81dd592290f191d5
[2024-11-07 21:43:40,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:43:40,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:43:40,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:43:40,064 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 21:43:40,067 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 21:43:40,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_01_bad.i
[2024-11-07 21:43:41,270 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:43:41,589 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 21:43:41,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_01_bad.i
[2024-11-07 21:43:41,609 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9e30fece/c86d860c103249c0aed8ba837b6540cc/FLAGaee599dc1
[2024-11-07 21:43:41,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9e30fece/c86d860c103249c0aed8ba837b6540cc
[2024-11-07 21:43:41,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:43:41,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:43:41,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:41,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:43:41,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:43:41,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:41,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db901a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41, skipping insertion in model container
[2024-11-07 21:43:41,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:41,672 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:43:42,197 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:42,212 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 21:43:42,317 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:42,394 INFO L204 MainTranslator]: Completed translation
[2024-11-07 21:43:42,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42 WrapperNode
[2024-11-07 21:43:42,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:42,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:42,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:43:42,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:43:42,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,445 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66
[2024-11-07 21:43:42,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:42,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:43:42,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:43:42,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:43:42,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,461 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-11-07 21:43:42,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:43:42,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:43:42,472 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:43:42,472 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:43:42,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (1/1) ...
[2024-11-07 21:43:42,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:42,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:43:42,513 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 21:43:42,517 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 21:43:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:43:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:43:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 21:43:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:43:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:43:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:43:42,635 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 21:43:42,637 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:43:42,709 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-11-07 21:43:42,710 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 21:43:42,717 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:43:42,717 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:43:42,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:42 BoogieIcfgContainer
[2024-11-07 21:43:42,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:43:42,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:43:42,719 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:43:42,722 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:43:42,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:43:41" (1/3) ...
[2024-11-07 21:43:42,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b3e521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:42, skipping insertion in model container
[2024-11-07 21:43:42,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:42" (2/3) ...
[2024-11-07 21:43:42,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b3e521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:42, skipping insertion in model container
[2024-11-07 21:43:42,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:42" (3/3) ...
[2024-11-07 21:43:42,724 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_01_bad.i
[2024-11-07 21:43:42,733 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:43:42,733 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:43:42,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:43:42,768 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;@287c2e63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:43:42,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:43:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 21:43:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 21:43:42,775 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:43:42,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:42,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:42,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:42,779 INFO L85 PathProgramCache]: Analyzing trace with hash 733376356, now seen corresponding path program 1 times
[2024-11-07 21:43:42,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:43:42,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399258236]
[2024-11-07 21:43:42,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:42,786 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 21:43:42,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:43:42,794 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 21:43:42,795 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 21:43:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:42,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 21:43:42,870 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 21:43:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:43:42,883 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 21:43:42,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 21:43:42,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399258236]
[2024-11-07 21:43:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399258236] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:43:42,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:43:42,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 21:43:42,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471517153]
[2024-11-07 21:43:42,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:43:42,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 21:43:42,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 21:43:42,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 21:43:42,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 21:43:42,900 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:43:42,908 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions.
[2024-11-07 21:43:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 21:43:42,909 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-07 21:43:42,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:43:42,912 INFO L225 Difference]: With dead ends: 23
[2024-11-07 21:43:42,912 INFO L226 Difference]: Without dead ends: 15
[2024-11-07 21:43:42,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 21:43:42,915 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:43:42,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:43:42,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-11-07 21:43:42,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-11-07 21:43:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 21:43:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-11-07 21:43:42,936 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11
[2024-11-07 21:43:42,936 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:43:42,936 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-11-07 21:43:42,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-11-07 21:43:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-07 21:43:42,937 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:43:42,937 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:42,943 INFO L540 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)] Forceful destruction successful, exit code 0
[2024-11-07 21:43:43,138 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 21:43:43,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:43,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:43,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1259830611, now seen corresponding path program 1 times
[2024-11-07 21:43:43,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:43:43,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499422330]
[2024-11-07 21:43:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:43,139 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 21:43:43,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:43:43,142 INFO L229 MonitoredProcess]: Starting monitored process 3 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 21:43:43,143 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 (3)] Waiting until timeout for monitored process
[2024-11-07 21:43:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:43,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:43:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:43,313 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 21:43:43,319 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:43:43,321 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:43:43,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:43:43,329 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 (3)] Ended with exit code 0
[2024-11-07 21:43:43,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 21:43:43,524 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 21:43:43,551 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:43:43,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:43:43 BoogieIcfgContainer
[2024-11-07 21:43:43,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:43:43,559 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:43:43,559 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:43:43,559 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 21:43:43,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:42" (3/4) ...
[2024-11-07 21:43:43,567 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:43:43,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:43:43,569 INFO L158 Benchmark]: Toolchain (without parser) took 1940.35ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 73.3MB in the end (delta: 42.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,571 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.13ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 51.7MB in the end (delta: 63.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.00ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 49.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,574 INFO L158 Benchmark]: Boogie Preprocessor took 25.35ms. Allocated memory is still 142.6MB. Free memory was 49.1MB in the beginning and 46.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,574 INFO L158 Benchmark]: RCFGBuilder took 246.07ms. Allocated memory is still 142.6MB. Free memory was 46.7MB in the beginning and 102.9MB in the end (delta: -56.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,575 INFO L158 Benchmark]: TraceAbstraction took 838.78ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 73.3MB in the end (delta: 28.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,575 INFO L158 Benchmark]: Witness Printer took 8.90ms. Allocated memory is still 142.6MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 767.13ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 51.7MB in the end (delta: 63.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.00ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 49.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 25.35ms. Allocated memory is still 142.6MB. Free memory was 49.1MB in the beginning and 46.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 246.07ms. Allocated memory is still 142.6MB. Free memory was 46.7MB in the beginning and 102.9MB in the end (delta: -56.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 838.78ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 73.3MB in the end (delta: 28.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Witness Printer took 8.90ms. Allocated memory is still 142.6MB. Free memory is still 73.3MB. 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: 1564]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1572, overapproximation of fgets at line 1554.
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]
[L1572] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1572] 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]
[L1573] CALL CWE190_Integer_Overflow__int_fgets_preinc_01_bad()
[L1550] int data;
[L1551] data = 0
[L1553] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1556] data = atoi(inputBuffer)
[L1564] ++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: 1564]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 21:43:43,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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