./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_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', '4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_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 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:43:38,853 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:43:38,936 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 21:43:38,942 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:43:38,943 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:43:38,963 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:43:38,965 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:43:38,965 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:43:38,965 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 21:43:38,966 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:43:38,966 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 21:43:38,966 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 21:43:38,966 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 21:43:38,967 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 21:43:38,967 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:38,968 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:43:38,968 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:43:38,970 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:43:38,971 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 -> 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93
[2024-11-07 21:43:39,274 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:43:39,282 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:43:39,286 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:43:39,287 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 21:43:39,288 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 21:43:39,289 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i
[2024-11-07 21:43:40,562 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:43:40,960 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 21:43:40,961 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i
[2024-11-07 21:43:40,989 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2348f5887/75665d4e463b48b09a664e61c44bfb42/FLAG9cbea7030
[2024-11-07 21:43:41,127 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2348f5887/75665d4e463b48b09a664e61c44bfb42
[2024-11-07 21:43:41,129 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:43:41,130 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:43:41,132 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:41,132 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:43:41,135 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:43:41,136 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:41,136 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37717fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41, skipping insertion in model container
[2024-11-07 21:43:41,137 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:41,187 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:43:41,747 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:41,759 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 21:43:41,869 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:41,969 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 21:43:41,969 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41 WrapperNode
[2024-11-07 21:43:41,969 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:41,970 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:41,970 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:43:41,971 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:43:41,975 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:41,999 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,015 INFO  L138                Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2024-11-07 21:43:42,015 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:42,016 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:43:42,016 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:43:42,016 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:43:42,027 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,027 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,029 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,047 INFO  L175           MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-11-07 21:43:42,047 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,047 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,051 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,053 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,054 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,056 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,057 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:43:42,058 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:43:42,058 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:43:42,058 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:43:42,059 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (1/1) ...
[2024-11-07 21:43:42,066 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:42,080 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:43:42,094 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 21:43:42,097 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 21:43:42,118 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:43:42,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:43:42,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:43:42,118 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:43:42,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:43:42,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 21:43:42,243 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 21:43:42,245 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:43:42,386 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-07 21:43:42,386 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 21:43:42,395 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:43:42,396 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:43:42,397 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:42 BoogieIcfgContainer
[2024-11-07 21:43:42,397 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:43:42,400 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:43:42,401 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:43:42,405 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:43:42,405 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:43:41" (1/3) ...
[2024-11-07 21:43:42,405 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a589fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:42, skipping insertion in model container
[2024-11-07 21:43:42,405 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:41" (2/3) ...
[2024-11-07 21:43:42,406 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a589fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:42, skipping insertion in model container
[2024-11-07 21:43:42,406 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:42" (3/3) ...
[2024-11-07 21:43:42,407 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i
[2024-11-07 21:43:42,420 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:43:42,421 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:43:42,468 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:43:42,482 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;@118d102c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:43:42,482 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:43:42,487 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 25 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 21:43:42,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 21:43:42,492 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:43:42,492 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:42,493 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:42,496 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:42,497 INFO  L85        PathProgramCache]: Analyzing trace with hash -1958583963, now seen corresponding path program 1 times
[2024-11-07 21:43:42,504 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:43:42,504 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451980837]
[2024-11-07 21:43:42,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:42,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:43:42,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:42,745 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:43:42,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:42,779 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:43:42,779 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:43:42,780 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451980837]
[2024-11-07 21:43:42,780 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451980837] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:43:42,780 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:43:42,781 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 21:43:42,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547960105]
[2024-11-07 21:43:42,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:43:42,785 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:43:42,786 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:43:42,800 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:43:42,801 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:42,803 INFO  L87              Difference]: Start difference. First operand  has 25 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:42,828 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:43:42,829 INFO  L93              Difference]: Finished difference Result 41 states and 47 transitions.
[2024-11-07 21:43:42,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:43:42,834 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-07 21:43:42,834 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:43:42,839 INFO  L225             Difference]: With dead ends: 41
[2024-11-07 21:43:42,839 INFO  L226             Difference]: Without dead ends: 18
[2024-11-07 21:43:42,842 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:42,846 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:43:42,847 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 26 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:43:42,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-07 21:43:42,872 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2024-11-07 21:43:42,873 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-07 21:43:42,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2024-11-07 21:43:42,878 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11
[2024-11-07 21:43:42,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:43:42,879 INFO  L471      AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2024-11-07 21:43:42,880 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:42,881 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2024-11-07 21:43:42,882 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 21:43:42,882 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:43:42,883 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:42,883 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 21:43:42,883 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:42,884 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:42,885 INFO  L85        PathProgramCache]: Analyzing trace with hash -1014034784, now seen corresponding path program 1 times
[2024-11-07 21:43:42,885 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:43:42,885 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272341194]
[2024-11-07 21:43:42,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:42,885 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:43:42,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:43,024 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:43:43,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:43,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:43:43,034 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:43:43,034 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272341194]
[2024-11-07 21:43:43,034 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272341194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:43:43,034 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:43:43,034 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:43:43,034 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62166513]
[2024-11-07 21:43:43,035 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:43:43,035 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:43:43,036 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:43:43,036 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:43:43,036 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:43,036 INFO  L87              Difference]: Start difference. First operand 18 states and 20 transitions. Second operand  has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:43,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:43:43,044 INFO  L93              Difference]: Finished difference Result 18 states and 20 transitions.
[2024-11-07 21:43:43,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:43:43,045 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-11-07 21:43:43,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:43:43,045 INFO  L225             Difference]: With dead ends: 18
[2024-11-07 21:43:43,046 INFO  L226             Difference]: Without dead ends: 17
[2024-11-07 21:43:43,046 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:43,046 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:43:43,047 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 26 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:43:43,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-07 21:43:43,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-07 21:43:43,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-07 21:43:43,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2024-11-07 21:43:43,052 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13
[2024-11-07 21:43:43,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:43:43,052 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2024-11-07 21:43:43,052 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:43,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2024-11-07 21:43:43,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 21:43:43,053 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:43:43,053 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:43,053 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 21:43:43,053 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:43,054 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:43,054 INFO  L85        PathProgramCache]: Analyzing trace with hash -1370307168, now seen corresponding path program 1 times
[2024-11-07 21:43:43,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:43:43,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590094819]
[2024-11-07 21:43:43,054 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:43,055 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:43:43,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:43,102 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:43:43,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:43,129 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 21:43:43,130 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:43:43,131 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:43:43,132 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:43:43,132 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 21:43:43,134 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-07 21:43:43,147 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:43:43,149 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:43:43 BoogieIcfgContainer
[2024-11-07 21:43:43,149 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:43:43,150 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:43:43,150 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:43:43,150 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 21:43:43,151 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:42" (3/4) ...
[2024-11-07 21:43:43,153 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:43:43,153 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:43:43,154 INFO  L158              Benchmark]: Toolchain (without parser) took 2023.53ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 65.5MB in the end (delta: 8.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,154 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,154 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 838.22ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 50.3MB in the end (delta: 23.4MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,154 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.82ms. Allocated memory is still 100.7MB. Free memory was 49.8MB in the beginning and 47.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,155 INFO  L158              Benchmark]: Boogie Preprocessor took 41.90ms. Allocated memory is still 100.7MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,155 INFO  L158              Benchmark]: RCFGBuilder took 339.06ms. Allocated memory is still 100.7MB. Free memory was 45.6MB in the beginning and 68.8MB in the end (delta: -23.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,155 INFO  L158              Benchmark]: TraceAbstraction took 749.39ms. Allocated memory is still 100.7MB. Free memory was 68.3MB in the beginning and 65.5MB in the end (delta: 2.8MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
[2024-11-07 21:43:43,155 INFO  L158              Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 8.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:43,156 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 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 838.22ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 50.3MB in the end (delta: 23.4MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 44.82ms. Allocated memory is still 100.7MB. Free memory was 49.8MB in the beginning and 47.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 41.90ms. Allocated memory is still 100.7MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 339.06ms. Allocated memory is still 100.7MB. Free memory was 45.6MB in the beginning and 68.8MB in the end (delta: -23.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 749.39ms. Allocated memory is still 100.7MB. Free memory was 68.3MB in the beginning and 65.5MB in the end (delta: 2.8MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
 * Witness Printer took 3.35ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 8.0kB). 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: 1571]: 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 1580, 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);
[L1548]             static int staticTrue = 1;
[L1549]             static int staticFalse = 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, staticFalse=0, staticTrue=1]
[L1580]  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, staticFalse=0, staticTrue=1]
[L1414]  COND TRUE  line != ((void *)0)
[L1580]  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, staticFalse=0, staticTrue=1]
[L1581]  CALL       CWE190_Integer_Overflow__int_fgets_preinc_05_bad()
[L1552]             int data;
[L1553]             data = 0
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]
[L1554]  COND TRUE  \read(staticTrue)
[L1557]             char inputBuffer[(3 * sizeof(data) + 2)] = "";
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]
[L1558]  COND TRUE  fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1560]             data = atoi(inputBuffer)
[L1568]  COND TRUE  \read(staticTrue)
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]
[L1571]             ++data
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]

  - UnprovableResult [Line: 1571]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 43 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 21:43:43,175 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_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 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:43:45,422 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:43:45,502 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 21:43:45,506 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:43:45,507 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:43:45,507 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 21:43:45,541 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:43:45,542 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:43:45,542 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:43:45,543 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:43:45,543 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 21:43:45,543 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:43:45,543 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:43:45,543 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:43:45,543 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 21:43:45,543 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 21:43:45,543 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:43:45,543 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-07 21:43:45,544 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 21:43:45,546 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:43:45,546 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 21:43:45,546 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 21:43:45,546 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 21:43:45,546 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 21:43:45,546 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:43:45,546 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 21:43:45,547 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:43:45,547 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 21:43:45,547 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:45,547 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:43:45,548 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:43:45,548 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 -> 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93
[2024-11-07 21:43:45,847 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:43:45,857 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:43:45,861 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:43:45,862 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 21:43:45,862 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 21:43:45,864 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i
[2024-11-07 21:43:47,217 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:43:47,588 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 21:43:47,589 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i
[2024-11-07 21:43:47,618 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9666c4786/8928dbe9f1034f568074aff47756a999/FLAG6b22f8069
[2024-11-07 21:43:47,639 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9666c4786/8928dbe9f1034f568074aff47756a999
[2024-11-07 21:43:47,642 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:43:47,643 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:43:47,645 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:47,646 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:43:47,649 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:43:47,650 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:47" (1/1) ...
[2024-11-07 21:43:47,651 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee870af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:47, skipping insertion in model container
[2024-11-07 21:43:47,652 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:47" (1/1) ...
[2024-11-07 21:43:47,700 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:43:48,282 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:48,292 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 21:43:48,381 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:43:48,491 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 21:43:48,492 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48 WrapperNode
[2024-11-07 21:43:48,492 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:43:48,493 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:48,494 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:43:48,494 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:43:48,499 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,527 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,550 INFO  L138                Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70
[2024-11-07 21:43:48,551 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:43:48,552 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:43:48,552 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:43:48,552 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:43:48,561 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,561 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,566 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,576 INFO  L175           MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-11-07 21:43:48,577 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,577 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,585 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,586 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,588 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,589 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,591 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:43:48,592 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:43:48,592 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:43:48,592 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:43:48,593 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (1/1) ...
[2024-11-07 21:43:48,601 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:43:48,611 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:43:48,623 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 21:43:48,625 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 21:43:48,663 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:43:48,664 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:43:48,664 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 21:43:48,664 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:43:48,664 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:43:48,664 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:43:48,798 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 21:43:48,799 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:43:48,945 INFO  L?                        ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-11-07 21:43:48,945 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 21:43:48,954 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:43:48,955 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:43:48,955 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:48 BoogieIcfgContainer
[2024-11-07 21:43:48,955 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:43:48,957 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:43:48,957 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:43:48,964 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:43:48,964 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:43:47" (1/3) ...
[2024-11-07 21:43:48,965 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412682d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:48, skipping insertion in model container
[2024-11-07 21:43:48,965 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:48" (2/3) ...
[2024-11-07 21:43:48,965 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412682d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:48, skipping insertion in model container
[2024-11-07 21:43:48,965 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:48" (3/3) ...
[2024-11-07 21:43:48,966 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i
[2024-11-07 21:43:48,979 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:43:48,980 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:43:49,029 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:43:49,041 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;@636d6c33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:43:49,042 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:43:49,046 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 25 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-07 21:43:49,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 21:43:49,051 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:43:49,052 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:49,053 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:49,058 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:49,058 INFO  L85        PathProgramCache]: Analyzing trace with hash -1958583963, now seen corresponding path program 1 times
[2024-11-07 21:43:49,068 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:43:49,068 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324850525]
[2024-11-07 21:43:49,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:49,071 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 21:43:49,071 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:43:49,075 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 21:43:49,077 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 21:43:49,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:49,184 INFO  L255         TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 21:43:49,187 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 21:43:49,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:43:49,208 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 21:43:49,209 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 21:43:49,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324850525]
[2024-11-07 21:43:49,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324850525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:43:49,211 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:43:49,211 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 21:43:49,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719437087]
[2024-11-07 21:43:49,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:43:49,215 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 21:43:49,215 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 21:43:49,228 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 21:43:49,229 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 21:43:49,231 INFO  L87              Difference]: Start difference. First operand  has 25 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:49,244 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:43:49,245 INFO  L93              Difference]: Finished difference Result 25 states and 30 transitions.
[2024-11-07 21:43:49,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 21:43:49,247 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-07 21:43:49,247 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:43:49,252 INFO  L225             Difference]: With dead ends: 25
[2024-11-07 21:43:49,253 INFO  L226             Difference]: Without dead ends: 17
[2024-11-07 21:43:49,257 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 21:43:49,260 INFO  L432           NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:43:49,261 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:43:49,272 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-07 21:43:49,287 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-07 21:43:49,289 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-07 21:43:49,292 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions.
[2024-11-07 21:43:49,296 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11
[2024-11-07 21:43:49,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:43:49,297 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 20 transitions.
[2024-11-07 21:43:49,297 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:49,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions.
[2024-11-07 21:43:49,299 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-07 21:43:49,299 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:43:49,299 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:49,305 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-07 21:43:49,500 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 21:43:49,500 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:49,501 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:49,502 INFO  L85        PathProgramCache]: Analyzing trace with hash -586560645, now seen corresponding path program 1 times
[2024-11-07 21:43:49,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:43:49,502 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432812780]
[2024-11-07 21:43:49,502 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:49,502 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 21:43:49,502 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:43:49,506 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 21:43:49,507 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-07 21:43:49,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:43:49,588 INFO  L255         TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 21:43:49,589 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 21:43:49,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 21:43:49,642 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 21:43:49,642 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 21:43:49,642 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432812780]
[2024-11-07 21:43:49,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [432812780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:43:49,642 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:43:49,643 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:43:49,643 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886903300]
[2024-11-07 21:43:49,643 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:43:49,644 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:43:49,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 21:43:49,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:43:49,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:49,645 INFO  L87              Difference]: Start difference. First operand 17 states and 20 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:49,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:43:49,659 INFO  L93              Difference]: Finished difference Result 21 states and 23 transitions.
[2024-11-07 21:43:49,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 21:43:49,660 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2024-11-07 21:43:49,660 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:43:49,661 INFO  L225             Difference]: With dead ends: 21
[2024-11-07 21:43:49,661 INFO  L226             Difference]: Without dead ends: 17
[2024-11-07 21:43:49,662 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:43:49,663 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:43:49,663 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:43:49,663 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-07 21:43:49,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-07 21:43:49,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-07 21:43:49,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2024-11-07 21:43:49,673 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12
[2024-11-07 21:43:49,673 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:43:49,673 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2024-11-07 21:43:49,673 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:43:49,674 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2024-11-07 21:43:49,674 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 21:43:49,674 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 21:43:49,674 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:43:49,679 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-07 21:43:49,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 21:43:49,875 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:43:49,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:43:49,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -1370307168, now seen corresponding path program 1 times
[2024-11-07 21:43:49,876 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:43:49,876 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327892327]
[2024-11-07 21:43:49,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:43:49,877 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 21:43:49,877 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:43:49,879 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 21:43:49,880 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 (4)] Waiting until timeout for monitored process
[2024-11-07 21:43:49,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:49,968 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:43:49,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:43:50,024 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 21:43:50,024 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:43:50,025 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:43:50,027 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:43:50,032 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 (4)] Ended with exit code 0
[2024-11-07 21:43:50,231 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 21:43:50,234 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-07 21:43:50,255 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:43:50,259 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:43:50 BoogieIcfgContainer
[2024-11-07 21:43:50,260 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:43:50,263 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:43:50,263 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:43:50,263 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 21:43:50,263 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:48" (3/4) ...
[2024-11-07 21:43:50,266 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:43:50,267 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:43:50,268 INFO  L158              Benchmark]: Toolchain (without parser) took 2624.68ms. Allocated memory was 83.9MB in the beginning and 92.3MB in the end (delta: 8.4MB). Free memory was 58.7MB in the beginning and 48.7MB in the end (delta: 9.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB.
[2024-11-07 21:43:50,268 INFO  L158              Benchmark]: CDTParser took 1.11ms. Allocated memory is still 83.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:50,268 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 847.04ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 30.3MB in the end (delta: 28.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB.
[2024-11-07 21:43:50,269 INFO  L158              Benchmark]: Boogie Procedure Inliner took 58.30ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 27.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:50,269 INFO  L158              Benchmark]: Boogie Preprocessor took 39.18ms. Allocated memory is still 83.9MB. Free memory was 27.5MB in the beginning and 25.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:50,270 INFO  L158              Benchmark]: RCFGBuilder took 363.90ms. Allocated memory was 83.9MB in the beginning and 92.3MB in the end (delta: 8.4MB). Free memory was 25.1MB in the beginning and 52.0MB in the end (delta: -26.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB.
[2024-11-07 21:43:50,270 INFO  L158              Benchmark]: TraceAbstraction took 1304.80ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 49.3MB in the end (delta: 2.2MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB.
[2024-11-07 21:43:50,271 INFO  L158              Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 10.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:43:50,272 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.11ms. Allocated memory is still 83.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 847.04ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 30.3MB in the end (delta: 28.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 58.30ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 27.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.18ms. Allocated memory is still 83.9MB. Free memory was 27.5MB in the beginning and 25.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 363.90ms. Allocated memory was 83.9MB in the beginning and 92.3MB in the end (delta: 8.4MB). Free memory was 25.1MB in the beginning and 52.0MB in the end (delta: -26.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1304.80ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 49.3MB in the end (delta: 2.2MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB.
 * Witness Printer took 4.73ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 10.0kB). 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: 1571]: 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 1580, 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);
[L1548]             static int staticTrue = 1;
[L1549]             static int staticFalse = 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, staticFalse=0, staticTrue=1]
[L1580]  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, staticFalse=0, staticTrue=1]
[L1414]  COND TRUE  line != ((void *)0)
[L1580]  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, staticFalse=0, staticTrue=1]
[L1581]  CALL       CWE190_Integer_Overflow__int_fgets_preinc_05_bad()
[L1552]             int data;
[L1553]             data = 0
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]
[L1554]  COND TRUE  \read(staticTrue)
[L1557]             char inputBuffer[(3 * sizeof(data) + 2)] = "";
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]
[L1558]  COND TRUE  fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1560]             data = atoi(inputBuffer)
[L1568]  COND TRUE  \read(staticTrue)
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]
[L1571]             ++data
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1]

  - UnprovableResult [Line: 1571]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 21:43:50,297 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