./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_bad.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_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', '9ebc932bd199917f9ad99094f7e9284ecfea27512ecfbbcfcde8a19d6cf35dc5']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_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 9ebc932bd199917f9ad99094f7e9284ecfea27512ecfbbcfcde8a19d6cf35dc5
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:43:20,145 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:43:20,241 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 22:43:20,247 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:43:20,247 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:43:20,260 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:43:20,261 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:43:20,261 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 22:43:20,261 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:43:20,261 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 22:43:20,261 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:43:20,261 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 22:43:20,262 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:43:20,262 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:43:20,262 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:43:20,262 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 -> 9ebc932bd199917f9ad99094f7e9284ecfea27512ecfbbcfcde8a19d6cf35dc5
[2024-11-07 22:43:20,427 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:43:20,433 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:43:20,434 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:43:20,435 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 22:43:20,435 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 22:43:20,436 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_bad.i
[2024-11-07 22:43:21,596 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:43:21,967 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 22:43:21,970 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_bad.i
[2024-11-07 22:43:21,995 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/574fadf7b/cfa7eb4a39684edd99d0453bb8ceee8c/FLAG2f729d3f8
[2024-11-07 22:43:22,012 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/574fadf7b/cfa7eb4a39684edd99d0453bb8ceee8c
[2024-11-07 22:43:22,016 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:43:22,017 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:43:22,019 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:43:22,019 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:43:22,022 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:43:22,023 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,024 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b424480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22, skipping insertion in model container
[2024-11-07 22:43:22,024 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,068 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:43:22,522 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:43:22,536 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 22:43:22,612 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:43:22,678 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 22:43:22,679 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22 WrapperNode
[2024-11-07 22:43:22,679 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:43:22,680 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:43:22,680 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:43:22,680 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:43:22,683 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,696 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,710 INFO  L138                Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74
[2024-11-07 22:43:22,712 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:43:22,712 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:43:22,712 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:43:22,712 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:43:22,717 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,717 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,719 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,735 INFO  L175           MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2].
[2024-11-07 22:43:22,735 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,735 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,738 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,740 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,740 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,741 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,742 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:43:22,743 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:43:22,743 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:43:22,743 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:43:22,743 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (1/1) ...
[2024-11-07 22:43:22,747 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:43:22,758 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:43:22,767 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 22:43:22,769 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 22:43:22,785 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:43:22,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:43:22,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 22:43:22,786 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 22:43:22,913 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 22:43:22,914 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:43:23,015 INFO  L?                        ?]: Removed 27 outVars from TransFormulas that were not future-live.
[2024-11-07 22:43:23,015 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 22:43:23,022 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:43:23,023 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:43:23,023 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:23 BoogieIcfgContainer
[2024-11-07 22:43:23,023 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:43:23,025 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:43:23,025 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:43:23,029 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:43:23,029 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:43:22" (1/3) ...
[2024-11-07 22:43:23,030 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702808d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:43:23, skipping insertion in model container
[2024-11-07 22:43:23,030 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:22" (2/3) ...
[2024-11-07 22:43:23,030 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702808d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:43:23, skipping insertion in model container
[2024-11-07 22:43:23,030 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:23" (3/3) ...
[2024-11-07 22:43:23,031 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_64_bad.i
[2024-11-07 22:43:23,041 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:43:23,041 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:43:23,075 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:43:23,082 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;@39c1d706, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:43:23,082 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:43:23,084 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 22:43:23,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 22:43:23,089 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 22:43:23,089 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:43:23,089 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:43:23,093 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:43:23,093 INFO  L85        PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times
[2024-11-07 22:43:23,098 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:43:23,098 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296023260]
[2024-11-07 22:43:23,099 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:43:23,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:43:23,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:43:23,216 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:43:23,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:43:23,257 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 22:43:23,258 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:43:23,258 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:43:23,260 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:43:23,260 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 22:43:23,266 INFO  L407         BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:43:23,284 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:43:23,287 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:43:23 BoogieIcfgContainer
[2024-11-07 22:43:23,288 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:43:23,289 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:43:23,289 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:43:23,289 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 22:43:23,289 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:23" (3/4) ...
[2024-11-07 22:43:23,291 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:43:23,291 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:43:23,293 INFO  L158              Benchmark]: Toolchain (without parser) took 1274.96ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 87.2MB in the end (delta: 27.2MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB.
[2024-11-07 22:43:23,294 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:23,295 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 660.28ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 55.6MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-11-07 22:43:23,295 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.11ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 53.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:43:23,296 INFO  L158              Benchmark]: Boogie Preprocessor took 30.12ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 51.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:23,297 INFO  L158              Benchmark]: RCFGBuilder took 280.58ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 106.8MB in the end (delta: -55.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB.
[2024-11-07 22:43:23,298 INFO  L158              Benchmark]: TraceAbstraction took 263.56ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 87.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:43:23,298 INFO  L158              Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:23,299 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 660.28ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 55.6MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.11ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 53.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.12ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 51.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 280.58ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 106.8MB in the end (delta: -55.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 263.56ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 87.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. 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: 1579]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 
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]
[L1569]  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)
[L1569]  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]
[L1570]  CALL       CWE191_Integer_Underflow__int_fgets_sub_64_bad()
[L1551]             int data;
[L1552]             data = 0
[L1554]             char inputBuffer[(3 * sizeof(data) + 2)] = "";
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555]  COND TRUE  fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1557]             data = atoi(inputBuffer)
[L1557]             data = atoi(inputBuffer)
[L1564]  CALL       CWE191_Integer_Underflow__int_fgets_sub_64b_badSink(&data)
[L1576]             int * dataPtr = (int *)dataVoidPtr;
[L1577]  EXPR       \read(*dataPtr)
[L1577]             int data = (*dataPtr);
[L1579]             data - 1
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]

  - UnprovableResult [Line: 1579]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 22:43:23,321 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_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 9ebc932bd199917f9ad99094f7e9284ecfea27512ecfbbcfcde8a19d6cf35dc5
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:43:25,304 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:43:25,405 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 22:43:25,445 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:43:25,449 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:43:25,449 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 22:43:25,505 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:43:25,506 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:43:25,506 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:43:25,507 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:43:25,510 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 22:43:25,510 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:43:25,510 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:43:25,511 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 22:43:25,511 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 22:43:25,511 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 22:43:25,512 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:43:25,512 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-07 22:43:25,512 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:43:25,522 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:43:25,522 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:43:25,522 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:43:25,522 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 -> 9ebc932bd199917f9ad99094f7e9284ecfea27512ecfbbcfcde8a19d6cf35dc5
[2024-11-07 22:43:25,766 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:43:25,772 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:43:25,773 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:43:25,774 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 22:43:25,774 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 22:43:25,775 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_bad.i
[2024-11-07 22:43:26,978 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:43:27,309 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 22:43:27,310 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_64_bad.i
[2024-11-07 22:43:27,328 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f3d86999d/118fe7097b3344d4a869a472e43a812c/FLAG45d8e888b
[2024-11-07 22:43:27,341 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f3d86999d/118fe7097b3344d4a869a472e43a812c
[2024-11-07 22:43:27,344 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:43:27,345 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:43:27,347 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:43:27,347 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:43:27,350 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:43:27,351 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:43:27" (1/1) ...
[2024-11-07 22:43:27,353 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ffa46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:27, skipping insertion in model container
[2024-11-07 22:43:27,353 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:43:27" (1/1) ...
[2024-11-07 22:43:27,398 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:43:27,896 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 22:43:27,898 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:43:27,906 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 22:43:27,973 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:43:28,043 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 22:43:28,044 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28 WrapperNode
[2024-11-07 22:43:28,044 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:43:28,045 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:43:28,045 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:43:28,045 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:43:28,049 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,062 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,078 INFO  L138                Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73
[2024-11-07 22:43:28,079 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:43:28,080 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:43:28,080 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:43:28,080 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:43:28,088 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,088 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,095 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,113 INFO  L175           MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2].
[2024-11-07 22:43:28,117 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,118 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,128 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,130 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,131 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,132 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,134 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:43:28,134 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:43:28,134 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:43:28,134 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:43:28,135 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (1/1) ...
[2024-11-07 22:43:28,143 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:43:28,168 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:43:28,181 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 22:43:28,184 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 22:43:28,201 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:43:28,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:43:28,201 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 22:43:28,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:43:28,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 22:43:28,202 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-07 22:43:28,331 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 22:43:28,332 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:43:28,452 INFO  L?                        ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-07 22:43:28,452 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 22:43:28,457 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:43:28,458 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:43:28,459 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:28 BoogieIcfgContainer
[2024-11-07 22:43:28,459 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:43:28,461 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:43:28,462 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:43:28,465 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:43:28,466 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:43:27" (1/3) ...
[2024-11-07 22:43:28,466 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f99397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:43:28, skipping insertion in model container
[2024-11-07 22:43:28,466 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:28" (2/3) ...
[2024-11-07 22:43:28,467 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f99397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:43:28, skipping insertion in model container
[2024-11-07 22:43:28,467 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:28" (3/3) ...
[2024-11-07 22:43:28,468 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_64_bad.i
[2024-11-07 22:43:28,480 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:43:28,480 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:43:28,525 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:43:28,534 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;@76898dea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:43:28,539 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:43:28,543 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 22:43:28,547 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 22:43:28,548 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 22:43:28,548 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:43:28,550 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:43:28,553 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:43:28,553 INFO  L85        PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times
[2024-11-07 22:43:28,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 22:43:28,563 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318070270]
[2024-11-07 22:43:28,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:43:28,563 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 22:43:28,564 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 22:43:28,569 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 22:43:28,570 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 22:43:28,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:43:28,695 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:43:28,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:43:28,754 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 22:43:28,755 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:43:28,758 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:43:28,759 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:43:28,765 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-07 22:43:28,963 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 22:43:28,966 INFO  L407         BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:43:28,994 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:43:28,995 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:43:28 BoogieIcfgContainer
[2024-11-07 22:43:28,995 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:43:28,996 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:43:28,996 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:43:28,996 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 22:43:28,997 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:28" (3/4) ...
[2024-11-07 22:43:28,998 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:43:28,999 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:43:28,999 INFO  L158              Benchmark]: Toolchain (without parser) took 1654.17ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 80.6MB in the end (delta: 34.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB.
[2024-11-07 22:43:28,999 INFO  L158              Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:28,999 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 697.24ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 51.8MB in the end (delta: 62.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-11-07 22:43:29,000 INFO  L158              Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:29,000 INFO  L158              Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 46.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:29,000 INFO  L158              Benchmark]: RCFGBuilder took 325.00ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 101.1MB in the end (delta: -54.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2024-11-07 22:43:29,004 INFO  L158              Benchmark]: TraceAbstraction took 534.28ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 80.6MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 22:43:29,005 INFO  L158              Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:43:29,006 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 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 697.24ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 51.8MB in the end (delta: 62.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 53.76ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 46.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 325.00ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 101.1MB in the end (delta: -54.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 534.28ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 80.6MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Witness Printer took 2.77ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 
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]
[L1569]  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)
[L1569]  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]
[L1570]  CALL       CWE191_Integer_Underflow__int_fgets_sub_64_bad()
[L1551]             int data;
[L1552]             data = 0
[L1554]             char inputBuffer[(3 * sizeof(data) + 2)] = "";
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555]  COND TRUE  fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1557]             data = atoi(inputBuffer)
[L1557]             data = atoi(inputBuffer)
[L1564]  CALL       CWE191_Integer_Underflow__int_fgets_sub_64b_badSink(&data)
[L1576]             int * dataPtr = (int *)dataVoidPtr;
[L1577]  EXPR       \read(*dataPtr)
[L1577]             int data = (*dataPtr);
[L1579]             data - 1
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]

  - UnprovableResult [Line: 1579]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 22:43:29,031 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