./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_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_multiply_21_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', '5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef']
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_multiply_21_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 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:42:07,666 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:42:07,751 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 21:42:07,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:42:07,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:42:07,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:42:07,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:42:07,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:42:07,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:42:07,786 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 21:42:07,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:42:07,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:42:07,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:42:07,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 21:42:07,787 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 21:42:07,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:42:07,788 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 21:42:07,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:42:07,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 21:42:07,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:42:07,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:42:07,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:42:07,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:42:07,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 21:42:07,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 21:42:07,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:42:07,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:42:07,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:42:07,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:42:07,791 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 -> 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef
[2024-11-07 21:42:08,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:42:08,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:42:08,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:42:08,089 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 21:42:08,090 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 21:42:08,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i
[2024-11-07 21:42:09,303 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:42:09,638 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 21:42:09,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i
[2024-11-07 21:42:09,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/737672503/0d2d10238a474ca19611f2b05694e715/FLAGfe01b2e21
[2024-11-07 21:42:09,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/737672503/0d2d10238a474ca19611f2b05694e715
[2024-11-07 21:42:09,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:42:09,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:42:09,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:42:09,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:42:09,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:42:09,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:42:09" (1/1) ...
[2024-11-07 21:42:09,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6f1895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:09, skipping insertion in model container
[2024-11-07 21:42:09,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:42:09" (1/1) ...
[2024-11-07 21:42:09,928 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:42:10,487 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:42:10,497 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 21:42:10,586 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:42:10,700 INFO L204 MainTranslator]: Completed translation
[2024-11-07 21:42:10,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10 WrapperNode
[2024-11-07 21:42:10,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:42:10,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:42:10,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:42:10,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:42:10,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,744 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70
[2024-11-07 21:42:10,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:42:10,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:42:10,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:42:10,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:42:10,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,781 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 21:42:10,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:42:10,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:42:10,803 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:42:10,803 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:42:10,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (1/1) ...
[2024-11-07 21:42:10,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:42:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:42:10,837 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 21:42:10,840 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 21:42:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:42:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:42:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:42:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:42:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:42:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 21:42:11,060 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 21:42:11,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:42:11,180 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live.
[2024-11-07 21:42:11,180 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 21:42:11,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:42:11,191 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:42:11,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:11 BoogieIcfgContainer
[2024-11-07 21:42:11,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:42:11,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:42:11,193 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:42:11,197 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:42:11,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:42:09" (1/3) ...
[2024-11-07 21:42:11,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453c7bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:42:11, skipping insertion in model container
[2024-11-07 21:42:11,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:10" (2/3) ...
[2024-11-07 21:42:11,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453c7bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:42:11, skipping insertion in model container
[2024-11-07 21:42:11,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:11" (3/3) ...
[2024-11-07 21:42:11,200 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i
[2024-11-07 21:42:11,214 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:42:11,214 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:42:11,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:42:11,279 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;@4080e4f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:42:11,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:42:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 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 21:42:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 21:42:11,290 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:42:11,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:42:11,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:42:11,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:42:11,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1462126433, now seen corresponding path program 1 times
[2024-11-07 21:42:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:42:11,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404116573]
[2024-11-07 21:42:11,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:42:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:42:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:42:11,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:42:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:42:11,614 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 21:42:11,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:42:11,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404116573]
[2024-11-07 21:42:11,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404116573] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:42:11,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:42:11,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:42:11,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082595306]
[2024-11-07 21:42:11,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:42:11,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:42:11,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:42:11,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:42:11,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:42:11,639 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 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 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 21:42:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:42:11,673 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions.
[2024-11-07 21:42:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 21:42:11,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13
[2024-11-07 21:42:11,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:42:11,679 INFO L225 Difference]: With dead ends: 26
[2024-11-07 21:42:11,679 INFO L226 Difference]: Without dead ends: 17
[2024-11-07 21:42:11,682 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 21:42:11,686 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:42:11,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:42:11,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-07 21:42:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-07 21:42:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 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 21:42:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2024-11-07 21:42:11,717 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13
[2024-11-07 21:42:11,718 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:42:11,718 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2024-11-07 21:42:11,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 21:42:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2024-11-07 21:42:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 21:42:11,719 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:42:11,719 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:42:11,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 21:42:11,719 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:42:11,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:42:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1918720772, now seen corresponding path program 1 times
[2024-11-07 21:42:11,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:42:11,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009123867]
[2024-11-07 21:42:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:42:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:42:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:42:11,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:42:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:42:11,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 21:42:11,847 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:42:11,848 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:42:11,850 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:42:11,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 21:42:11,853 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 21:42:11,876 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:42:11,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:42:11 BoogieIcfgContainer
[2024-11-07 21:42:11,881 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:42:11,882 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:42:11,882 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:42:11,883 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 21:42:11,883 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:11" (3/4) ...
[2024-11-07 21:42:11,886 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:42:11,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:42:11,888 INFO L158 Benchmark]: Toolchain (without parser) took 2006.57ms. Allocated memory is still 100.7MB. Free memory was 73.3MB in the beginning and 61.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB.
[2024-11-07 21:42:11,888 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:11,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.57ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 48.1MB in the end (delta: 25.1MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
[2024-11-07 21:42:11,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.97ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 45.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:42:11,889 INFO L158 Benchmark]: Boogie Preprocessor took 53.18ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 43.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:11,889 INFO L158 Benchmark]: RCFGBuilder took 388.87ms. Allocated memory is still 100.7MB. Free memory was 43.8MB in the beginning and 62.7MB in the end (delta: -18.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB.
[2024-11-07 21:42:11,889 INFO L158 Benchmark]: TraceAbstraction took 688.13ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 61.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB.
[2024-11-07 21:42:11,889 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 100.7MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 6.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:11,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 819.57ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 48.1MB in the end (delta: 25.1MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.97ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 45.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.18ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 43.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 388.87ms. Allocated memory is still 100.7MB. Free memory was 43.8MB in the beginning and 62.7MB in the end (delta: -18.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 688.13ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 61.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB.
* Witness Printer took 4.18ms. Allocated memory is still 100.7MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 6.4kB). 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: 1555]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566.
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);
[L1548] static int badStatic = 0;
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1581] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1581] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_21_bad()
[L1562] int data;
[L1563] data = 0
[L1565] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1568] data = atoi(inputBuffer)
[L1575] badStatic = 1
[L1576] CALL badSink(data)
[L1551] COND TRUE \read(badStatic)
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] COND TRUE data > 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] data * 2
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1555]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 8 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=26occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 21:42:11,916 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_multiply_21_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 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:42:14,050 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:42:14,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 21:42:14,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:42:14,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:42:14,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 21:42:14,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:42:14,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:42:14,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:42:14,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:42:14,205 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 21:42:14,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:42:14,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:42:14,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:42:14,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 21:42:14,206 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 21:42:14,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:42:14,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:42:14,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 21:42:14,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:42:14,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:42:14,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 21:42:14,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 21:42:14,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:42:14,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:42:14,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:42:14,210 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 21:42:14,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 21:42:14,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:42:14,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:42:14,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:42:14,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:42:14,210 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 -> 5c407d8553d1df41f739c7ed318245748550b3a8d67cbf27f9230839973b15ef
[2024-11-07 21:42:14,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:42:14,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:42:14,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:42:14,509 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 21:42:14,509 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 21:42:14,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i
[2024-11-07 21:42:15,864 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:42:16,215 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 21:42:16,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i
[2024-11-07 21:42:16,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f4f058be7/20072764b8854344bf696fd6ea13b964/FLAG3ff4e5b00
[2024-11-07 21:42:16,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f4f058be7/20072764b8854344bf696fd6ea13b964
[2024-11-07 21:42:16,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:42:16,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:42:16,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:42:16,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:42:16,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:42:16,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:42:16" (1/1) ...
[2024-11-07 21:42:16,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32046ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:16, skipping insertion in model container
[2024-11-07 21:42:16,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:42:16" (1/1) ...
[2024-11-07 21:42:16,327 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:42:17,108 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:42:17,122 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 21:42:17,233 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:42:17,400 INFO L204 MainTranslator]: Completed translation
[2024-11-07 21:42:17,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17 WrapperNode
[2024-11-07 21:42:17,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:42:17,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:42:17,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:42:17,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:42:17,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,464 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69
[2024-11-07 21:42:17,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:42:17,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:42:17,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:42:17,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:42:17,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,491 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 21:42:17,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:42:17,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:42:17,520 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:42:17,520 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:42:17,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (1/1) ...
[2024-11-07 21:42:17,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:42:17,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:42:17,554 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 21:42:17,556 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 21:42:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:42:17,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:42:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 21:42:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:42:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:42:17,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:42:17,710 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 21:42:17,712 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:42:17,847 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live.
[2024-11-07 21:42:17,847 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 21:42:17,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:42:17,858 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:42:17,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:17 BoogieIcfgContainer
[2024-11-07 21:42:17,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:42:17,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:42:17,861 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:42:17,866 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:42:17,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:42:16" (1/3) ...
[2024-11-07 21:42:17,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3974a929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:42:17, skipping insertion in model container
[2024-11-07 21:42:17,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:42:17" (2/3) ...
[2024-11-07 21:42:17,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3974a929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:42:17, skipping insertion in model container
[2024-11-07 21:42:17,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:17" (3/3) ...
[2024-11-07 21:42:17,869 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_21_bad.i
[2024-11-07 21:42:17,884 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:42:17,885 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:42:17,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:42:17,944 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;@3f5d29f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:42:17,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:42:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 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 21:42:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 21:42:17,954 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:42:17,955 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:42:17,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:42:17,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:42:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1462126433, now seen corresponding path program 1 times
[2024-11-07 21:42:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:42:17,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682745065]
[2024-11-07 21:42:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:42:17,972 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 21:42:17,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:42:17,975 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 21:42:17,977 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 21:42:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:42:18,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 21:42:18,125 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 21:42:18,156 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 21:42:18,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 21:42:18,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 21:42:18,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682745065]
[2024-11-07 21:42:18,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682745065] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:42:18,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:42:18,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:42:18,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638607423]
[2024-11-07 21:42:18,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:42:18,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:42:18,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 21:42:18,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:42:18,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:42:18,183 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 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 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 21:42:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:42:18,213 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions.
[2024-11-07 21:42:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 21:42:18,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13
[2024-11-07 21:42:18,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:42:18,220 INFO L225 Difference]: With dead ends: 26
[2024-11-07 21:42:18,220 INFO L226 Difference]: Without dead ends: 17
[2024-11-07 21:42:18,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 21:42:18,224 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:42:18,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:42:18,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-07 21:42:18,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-07 21:42:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 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 21:42:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2024-11-07 21:42:18,255 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13
[2024-11-07 21:42:18,256 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:42:18,257 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2024-11-07 21:42:18,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 21:42:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2024-11-07 21:42:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 21:42:18,259 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:42:18,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:42:18,264 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 21:42:18,460 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 21:42:18,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:42:18,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:42:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1918720772, now seen corresponding path program 1 times
[2024-11-07 21:42:18,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:42:18,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333767668]
[2024-11-07 21:42:18,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:42:18,462 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 21:42:18,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:42:18,464 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 21:42:18,465 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 21:42:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:42:18,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:42:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:42:18,593 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 21:42:18,593 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:42:18,595 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:42:18,596 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:42:18,602 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 (3)] Forceful destruction successful, exit code 0
[2024-11-07 21:42:18,800 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 21:42:18,803 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 21:42:18,824 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:42:18,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:42:18 BoogieIcfgContainer
[2024-11-07 21:42:18,829 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:42:18,830 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:42:18,830 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:42:18,830 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 21:42:18,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:42:17" (3/4) ...
[2024-11-07 21:42:18,833 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:42:18,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:42:18,834 INFO L158 Benchmark]: Toolchain (without parser) took 2568.52ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 64.4MB in the end (delta: 26.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB.
[2024-11-07 21:42:18,834 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:18,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1134.27ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 77.1MB in the end (delta: 13.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
[2024-11-07 21:42:18,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.85ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:18,835 INFO L158 Benchmark]: Boogie Preprocessor took 51.45ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 71.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:42:18,835 INFO L158 Benchmark]: RCFGBuilder took 339.31ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 58.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:42:18,836 INFO L158 Benchmark]: TraceAbstraction took 967.67ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 65.0MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:18,836 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 64.4MB in the end (delta: 648.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:42:18,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.12ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1134.27ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 77.1MB in the end (delta: 13.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 62.85ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.45ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 71.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 339.31ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 58.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 967.67ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 65.0MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.40ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 64.4MB in the end (delta: 648.5kB). 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: 1555]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566.
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);
[L1548] static int badStatic = 0;
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1581] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1581] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_21_bad()
[L1562] int data;
[L1563] data = 0
[L1565] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1568] data = atoi(inputBuffer)
[L1575] badStatic = 1
[L1576] CALL badSink(data)
[L1551] COND TRUE \read(badStatic)
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] COND TRUE data > 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] data * 2
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1555]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 2 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 21:42:18,870 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