./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_32_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_postdec_32_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', 'edf890099c9798c9c69d8dd05768ded1c839c8369ee71e4a749a5027b8540470']
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_postdec_32_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 edf890099c9798c9c69d8dd05768ded1c839c8369ee71e4a749a5027b8540470
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:41:09,136 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:41:09,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 22:41:09,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:41:09,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:41:09,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:41:09,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:41:09,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:41:09,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:41:09,261 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:41:09,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:41:09,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:41:09,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:41:09,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:41:09,262 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:41:09,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:41:09,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:41:09,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:41:09,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:41:09,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:41:09,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:41:09,265 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 -> edf890099c9798c9c69d8dd05768ded1c839c8369ee71e4a749a5027b8540470
[2024-11-07 22:41:09,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:41:09,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:41:09,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:41:09,532 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:41:09,532 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:41:09,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_32_bad.i
[2024-11-07 22:41:10,867 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:41:11,176 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:41:11,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_32_bad.i
[2024-11-07 22:41:11,207 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/305895b9f/37aff24e6857477c98d3a8151bfd5bb3/FLAG869d68433
[2024-11-07 22:41:11,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/305895b9f/37aff24e6857477c98d3a8151bfd5bb3
[2024-11-07 22:41:11,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:41:11,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:41:11,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:41:11,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:41:11,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:41:11,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:41:11" (1/1) ...
[2024-11-07 22:41:11,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0a0a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:11, skipping insertion in model container
[2024-11-07 22:41:11,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:41:11" (1/1) ...
[2024-11-07 22:41:11,295 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:41:11,857 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:41:11,865 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:41:11,955 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:41:12,086 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:41:12,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12 WrapperNode
[2024-11-07 22:41:12,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:41:12,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:41:12,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:41:12,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:41:12,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,149 INFO L138 Inliner]: procedures = 498, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94
[2024-11-07 22:41:12,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:41:12,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:41:12,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:41:12,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:41:12,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,169 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,184 INFO L175 MemorySlicer]: Split 12 memory accesses to 4 slices as follows [1, 3, 4, 4]. 33 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 1, 0, 1]. The 4 writes are split as follows [0, 1, 2, 1].
[2024-11-07 22:41:12,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:41:12,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:41:12,196 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:41:12,196 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:41:12,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (1/1) ...
[2024-11-07 22:41:12,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:41:12,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:41:12,229 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 22:41:12,232 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 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:41:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:41:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:41:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-07 22:41:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-07 22:41:12,378 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:41:12,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:41:12,523 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-07 22:41:12,523 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:41:12,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:41:12,534 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:41:12,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:12 BoogieIcfgContainer
[2024-11-07 22:41:12,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:41:12,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:41:12,537 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:41:12,540 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:41:12,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:41:11" (1/3) ...
[2024-11-07 22:41:12,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c70f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:41:12, skipping insertion in model container
[2024-11-07 22:41:12,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:12" (2/3) ...
[2024-11-07 22:41:12,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c70f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:41:12, skipping insertion in model container
[2024-11-07 22:41:12,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:12" (3/3) ...
[2024-11-07 22:41:12,544 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_32_bad.i
[2024-11-07 22:41:12,556 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:41:12,557 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:41:12,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:41:12,614 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;@12eb5e04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:41:12,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:41:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 22:41:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 22:41:12,623 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:41:12,624 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:41:12,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:41:12,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:41:12,629 INFO L85 PathProgramCache]: Analyzing trace with hash 733376356, now seen corresponding path program 1 times
[2024-11-07 22:41:12,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:41:12,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100436543]
[2024-11-07 22:41:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:41:12,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:41:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:41:12,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:41:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:41:12,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 22:41:12,909 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:41:12,910 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:41:12,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:41:12,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 22:41:12,917 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:41:12,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:41:12,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:41:12 BoogieIcfgContainer
[2024-11-07 22:41:12,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:41:12,941 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:41:12,941 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:41:12,941 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:41:12,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:12" (3/4) ...
[2024-11-07 22:41:12,944 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:41:12,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:41:12,947 INFO L158 Benchmark]: Toolchain (without parser) took 1717.02ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 79.7MB in the end (delta: 8.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB.
[2024-11-07 22:41:12,947 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:12,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.74ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 71.0MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
[2024-11-07 22:41:12,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:41:12,949 INFO L158 Benchmark]: Boogie Preprocessor took 41.46ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:12,950 INFO L158 Benchmark]: RCFGBuilder took 338.41ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 52.2MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:41:12,950 INFO L158 Benchmark]: TraceAbstraction took 404.84ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 79.8MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:12,950 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:12,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 855.74ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 71.0MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.62ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 68.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.46ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 338.41ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 52.2MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 404.84ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 79.8MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.23ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 22.5kB). 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: 1572]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1558.
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]
[L1581] 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)
[L1581] 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]
[L1582] CALL CWE191_Integer_Underflow__int_fgets_postdec_32_bad()
[L1550] int data;
[L1551] int *dataPtr1 = &data;
[L1552] int *dataPtr2 = &data;
[L1553] data = 0
[L1555] int data = *dataPtr1;
[L1555] EXPR \read(*dataPtr1)
[L1555] int data = *dataPtr1;
[L1557] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={18:0}, dataPtr1={19:0}, dataPtr2={19:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1560] data = atoi(inputBuffer)
[L1560] data = atoi(inputBuffer)
[L1567] EXPR \read(data)
[L1567] *dataPtr1 = data
[L1555] int data = *dataPtr1;
[L1570] int data = *dataPtr2;
[L1570] EXPR \read(*dataPtr2)
[L1570] int data = *dataPtr2;
[L1572] EXPR \read(data)
[L1572] data--
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]
- UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 22:41:12,980 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_postdec_32_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 edf890099c9798c9c69d8dd05768ded1c839c8369ee71e4a749a5027b8540470
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:41:15,073 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:41:15,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 22:41:15,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:41:15,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:41:15,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 22:41:15,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:41:15,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:41:15,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:41:15,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:41:15,211 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:41:15,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:41:15,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:41:15,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:41:15,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:41:15,213 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:41:15,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:41:15,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:41:15,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:41:15,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:41:15,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:41:15,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:41:15,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:41:15,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:41:15,215 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 -> edf890099c9798c9c69d8dd05768ded1c839c8369ee71e4a749a5027b8540470
[2024-11-07 22:41:15,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:41:15,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:41:15,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:41:15,519 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:41:15,519 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:41:15,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_32_bad.i
[2024-11-07 22:41:16,769 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:41:17,082 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:41:17,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_32_bad.i
[2024-11-07 22:41:17,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/743028eb8/d166a16a4394471fb9440b55b8a21c82/FLAG2f1cffc34
[2024-11-07 22:41:17,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/743028eb8/d166a16a4394471fb9440b55b8a21c82
[2024-11-07 22:41:17,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:41:17,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:41:17,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:41:17,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:41:17,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:41:17,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:41:17" (1/1) ...
[2024-11-07 22:41:17,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1928fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:17, skipping insertion in model container
[2024-11-07 22:41:17,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:41:17" (1/1) ...
[2024-11-07 22:41:17,191 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:41:17,812 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:41:17,823 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:41:17,938 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:41:18,115 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:41:18,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18 WrapperNode
[2024-11-07 22:41:18,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:41:18,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:41:18,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:41:18,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:41:18,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,178 INFO L138 Inliner]: procedures = 504, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93
[2024-11-07 22:41:18,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:41:18,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:41:18,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:41:18,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:41:18,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,217 INFO L175 MemorySlicer]: Split 12 memory accesses to 4 slices as follows [1, 4, 3, 4]. 33 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 0, 1, 1]. The 4 writes are split as follows [0, 2, 1, 1].
[2024-11-07 22:41:18,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:41:18,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:41:18,247 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:41:18,247 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:41:18,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (1/1) ...
[2024-11-07 22:41:18,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:41:18,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:41:18,279 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 22:41:18,281 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 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:41:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:41:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:41:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-07 22:41:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-07 22:41:18,451 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:41:18,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:41:18,663 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2024-11-07 22:41:18,663 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:41:18,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:41:18,674 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:41:18,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:18 BoogieIcfgContainer
[2024-11-07 22:41:18,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:41:18,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:41:18,693 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:41:18,697 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:41:18,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:41:17" (1/3) ...
[2024-11-07 22:41:18,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270d6614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:41:18, skipping insertion in model container
[2024-11-07 22:41:18,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:18" (2/3) ...
[2024-11-07 22:41:18,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270d6614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:41:18, skipping insertion in model container
[2024-11-07 22:41:18,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:18" (3/3) ...
[2024-11-07 22:41:18,700 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_32_bad.i
[2024-11-07 22:41:18,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:41:18,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:41:18,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:41:18,779 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;@1265a3b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:41:18,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:41:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 22:41:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 22:41:18,793 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:41:18,794 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:41:18,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:41:18,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:41:18,799 INFO L85 PathProgramCache]: Analyzing trace with hash 733376356, now seen corresponding path program 1 times
[2024-11-07 22:41:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 22:41:18,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561130175]
[2024-11-07 22:41:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:41:18,813 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 22:41:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 22:41:18,817 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 22:41:18,818 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 22:41:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:41:19,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:41:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:41:19,143 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 22:41:19,145 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:41:19,146 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:41:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:41:19,157 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 22:41:19,348 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 22:41:19,352 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:41:19,376 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:41:19,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:41:19 BoogieIcfgContainer
[2024-11-07 22:41:19,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:41:19,380 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:41:19,380 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:41:19,381 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:41:19,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:18" (3/4) ...
[2024-11-07 22:41:19,383 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:41:19,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:41:19,385 INFO L158 Benchmark]: Toolchain (without parser) took 2250.73ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 29.5MB in the end (delta: 27.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB.
[2024-11-07 22:41:19,385 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 83.9MB. Free memory was 65.0MB in the beginning and 64.9MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:19,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.46ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.2MB in the end (delta: 7.0MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB.
[2024-11-07 22:41:19,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.70ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:19,387 INFO L158 Benchmark]: Boogie Preprocessor took 65.77ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 44.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:41:19,387 INFO L158 Benchmark]: RCFGBuilder took 428.28ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 28.7MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:41:19,387 INFO L158 Benchmark]: TraceAbstraction took 687.40ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 30.0MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:41:19,387 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 29.5MB in the end (delta: 423.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:41:19,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.47ms. Allocated memory is still 83.9MB. Free memory was 65.0MB in the beginning and 64.9MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 982.46ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.2MB in the end (delta: 7.0MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.70ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 65.77ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 44.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 428.28ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 28.7MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 687.40ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 30.0MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 3.97ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 29.5MB in the end (delta: 423.2kB). 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: 1572]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1558.
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]
[L1581] 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)
[L1581] 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]
[L1582] CALL CWE191_Integer_Underflow__int_fgets_postdec_32_bad()
[L1550] int data;
[L1551] int *dataPtr1 = &data;
[L1552] int *dataPtr2 = &data;
[L1553] data = 0
[L1555] int data = *dataPtr1;
[L1555] EXPR \read(*dataPtr1)
[L1555] int data = *dataPtr1;
[L1557] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, dataPtr1={15:0}, dataPtr2={15:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1560] data = atoi(inputBuffer)
[L1560] data = atoi(inputBuffer)
[L1567] EXPR \read(data)
[L1567] *dataPtr1 = data
[L1555] int data = *dataPtr1;
[L1570] int data = *dataPtr2;
[L1570] EXPR \read(*dataPtr2)
[L1570] int data = *dataPtr2;
[L1572] EXPR \read(data)
[L1572] data--
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8192:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 22:41:19,414 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