./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1 --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 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:01:06,639 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:01:06,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 15:01:06,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:01:06,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:01:06,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:01:06,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:01:06,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:01:06,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:01:06,724 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:01:06,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:01:06,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:01:06,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:01:06,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:01:06,724 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:01:06,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:01:06,725 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:01:06,726 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:06,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:01:06,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:06,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:01:06,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:01:06,728 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1
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 -> 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45
[2024-12-02 15:01:06,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:01:06,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:01:06,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:01:06,978 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:01:06,978 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:01:06,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i
[2024-12-02 15:01:09,577 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/9da9c8dbe/a08d733f058b4a6ba7776530a60de00f/FLAG36b2f4ed1
[2024-12-02 15:01:09,885 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:01:09,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i
[2024-12-02 15:01:09,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/9da9c8dbe/a08d733f058b4a6ba7776530a60de00f/FLAG36b2f4ed1
[2024-12-02 15:01:09,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/9da9c8dbe/a08d733f058b4a6ba7776530a60de00f
[2024-12-02 15:01:09,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:01:09,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:01:09,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:01:09,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:01:09,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:01:09,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:09" (1/1) ...
[2024-12-02 15:01:09,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515171ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:09, skipping insertion in model container
[2024-12-02 15:01:09,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:09" (1/1) ...
[2024-12-02 15:01:09,958 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:01:10,555 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:01:10,564 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:01:10,638 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:01:10,726 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:01:10,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10 WrapperNode
[2024-12-02 15:01:10,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:01:10,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:01:10,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:01:10,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:01:10,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,764 INFO L138 Inliner]: procedures = 502, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 67
[2024-12-02 15:01:10,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:01:10,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:01:10,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:01:10,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:01:10,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,786 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].
[2024-12-02 15:01:10,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:01:10,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:01:10,798 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:01:10,798 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:01:10,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (1/1) ...
[2024-12-02 15:01:10,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:01:10,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:01:10,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:01:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 15:01:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 15:01:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:01:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:01:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:01:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:01:10,965 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:01:10,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:01:11,070 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live.
[2024-12-02 15:01:11,070 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:01:11,078 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:01:11,078 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 15:01:11,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:11 BoogieIcfgContainer
[2024-12-02 15:01:11,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:01:11,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:01:11,081 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:01:11,085 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:01:11,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:09" (1/3) ...
[2024-12-02 15:01:11,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418d4d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:11, skipping insertion in model container
[2024-12-02 15:01:11,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:10" (2/3) ...
[2024-12-02 15:01:11,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418d4d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:11, skipping insertion in model container
[2024-12-02 15:01:11,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:11" (3/3) ...
[2024-12-02 15:01:11,088 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i
[2024-12-02 15:01:11,102 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:01:11,103 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i that has 2 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-02 15:01:11,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:01:11,160 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;@611da736, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:01:11,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 15:01:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:01:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 15:01:11,169 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:01:11,170 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:01:11,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 15:01:11,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash -754782598, now seen corresponding path program 1 times
[2024-12-02 15:01:11,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:11,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125732294]
[2024-12-02 15:01:11,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:11,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:01:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:01:11,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:01:11,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125732294]
[2024-12-02 15:01:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125732294] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:01:11,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:01:11,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:01:11,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447234670]
[2024-12-02 15:01:11,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:01:11,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:01:11,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:01:11,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:01:11,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:01:11,439 INFO L87 Difference]: Start difference. First operand has 27 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-02 15:01:11,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:01:11,470 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions.
[2024-12-02 15:01:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:01:11,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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
[2024-12-02 15:01:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:01:11,476 INFO L225 Difference]: With dead ends: 27
[2024-12-02 15:01:11,476 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 15:01:11,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:01:11,480 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:01:11,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:01:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 15:01:11,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 15:01:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:01:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-12-02 15:01:11,505 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12
[2024-12-02 15:01:11,506 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:01:11,506 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-12-02 15:01:11,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-02 15:01:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-12-02 15:01:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 15:01:11,508 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:01:11,508 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:01:11,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:01:11,508 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 15:01:11,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1923424001, now seen corresponding path program 1 times
[2024-12-02 15:01:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:11,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60282107]
[2024-12-02 15:01:11,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:01:11,549 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:01:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:01:11,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:01:11,583 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:01:11,585 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-12-02 15:01:11,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-12-02 15:01:11,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:01:11,589 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 15:01:11,605 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:01:11,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:11 BoogieIcfgContainer
[2024-12-02 15:01:11,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:01:11,608 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:01:11,609 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:01:11,609 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:01:11,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:11" (3/4) ...
[2024-12-02 15:01:11,611 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 15:01:11,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:01:11,613 INFO L158 Benchmark]: Toolchain (without parser) took 1693.29ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 60.9MB in the end (delta: 52.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB.
[2024-12-02 15:01:11,613 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:11,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.22ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 111.0MB in the end (delta: 2.3MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB.
[2024-12-02 15:01:11,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.04ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 108.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:11,614 INFO L158 Benchmark]: Boogie Preprocessor took 31.97ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 106.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:11,614 INFO L158 Benchmark]: RCFGBuilder took 281.14ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.9MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:01:11,614 INFO L158 Benchmark]: TraceAbstraction took 526.71ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 60.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 15:01:11,615 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:11,616 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 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 806.22ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 111.0MB in the end (delta: 2.3MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.04ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 108.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.97ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 106.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 281.14ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.9MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 526.71ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 60.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory is still 60.9MB. 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: 1593]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1569] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1569] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_54_bad()
[L1551] int data;
[L1552] data = 0
[L1554] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1557] data = atoi(inputBuffer)
[L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_54b_badSink(data)
[L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_54c_badSink(data)
[L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_54d_badSink(data)
[L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_54e_badSink(data)
[L1591] COND TRUE data > 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1593] data * 2
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1593]: 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 15:01:11,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1 --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 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:01:13,535 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:01:13,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-12-02 15:01:13,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:01:13,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:01:13,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-12-02 15:01:13,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:01:13,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:01:13,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:01:13,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:01:13,649 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:01:13,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:01:13,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:01:13,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:01:13,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:01:13,650 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:01:13,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:01:13,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:01:13,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:01:13,651 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:01:13,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:13,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:01:13,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:13,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:01:13,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:01:13,653 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1
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 -> 20b93f643936691b2b603c08b03c17d309d6f9936898b8f54038fe2612d40b45
[2024-12-02 15:01:13,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:01:13,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:01:13,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:01:13,913 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:01:13,913 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:01:13,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i
[2024-12-02 15:01:16,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/d6564f726/2a31cc04ea224c77b025671523825944/FLAGc385aa418
[2024-12-02 15:01:16,893 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:01:16,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i
[2024-12-02 15:01:16,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/d6564f726/2a31cc04ea224c77b025671523825944/FLAGc385aa418
[2024-12-02 15:01:17,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/data/d6564f726/2a31cc04ea224c77b025671523825944
[2024-12-02 15:01:17,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:01:17,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:01:17,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:01:17,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:01:17,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:01:17,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:17" (1/1) ...
[2024-12-02 15:01:17,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c79dd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:17, skipping insertion in model container
[2024-12-02 15:01:17,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:17" (1/1) ...
[2024-12-02 15:01:17,205 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:01:17,825 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:01:17,835 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:01:17,930 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:01:18,038 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:01:18,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18 WrapperNode
[2024-12-02 15:01:18,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:01:18,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:01:18,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:01:18,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:01:18,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,080 INFO L138 Inliner]: procedures = 507, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66
[2024-12-02 15:01:18,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:01:18,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:01:18,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:01:18,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:01:18,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,102 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].
[2024-12-02 15:01:18,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:01:18,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:01:18,114 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:01:18,114 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:01:18,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (1/1) ...
[2024-12-02 15:01:18,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:18,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:01:18,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:01:18,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:01:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 15:01:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 15:01:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 15:01:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:01:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:01:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:01:18,288 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:01:18,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:01:18,403 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live.
[2024-12-02 15:01:18,403 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:01:18,411 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:01:18,411 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 15:01:18,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:18 BoogieIcfgContainer
[2024-12-02 15:01:18,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:01:18,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:01:18,413 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:01:18,416 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:01:18,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:17" (1/3) ...
[2024-12-02 15:01:18,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f26eb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:18, skipping insertion in model container
[2024-12-02 15:01:18,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:18" (2/3) ...
[2024-12-02 15:01:18,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f26eb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:18, skipping insertion in model container
[2024-12-02 15:01:18,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:18" (3/3) ...
[2024-12-02 15:01:18,418 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i
[2024-12-02 15:01:18,429 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:01:18,430 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_54_bad.i that has 2 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-02 15:01:18,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:01:18,476 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;@2897de39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:01:18,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 15:01:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:01:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 15:01:18,483 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:01:18,483 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:01:18,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 15:01:18,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:18,487 INFO L85 PathProgramCache]: Analyzing trace with hash -754782598, now seen corresponding path program 1 times
[2024-12-02 15:01:18,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:01:18,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965329611]
[2024-12-02 15:01:18,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:18,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:01:18,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:01:18,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:01:18,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:01:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:01:18,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 15:01:18,625 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:01:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:01:18,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:01:18,656 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:01:18,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965329611]
[2024-12-02 15:01:18,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965329611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:01:18,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:01:18,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:01:18,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713446300]
[2024-12-02 15:01:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:01:18,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:01:18,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:01:18,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:01:18,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:01:18,681 INFO L87 Difference]: Start difference. First operand has 27 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-02 15:01:18,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:01:18,713 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions.
[2024-12-02 15:01:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:01:18,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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
[2024-12-02 15:01:18,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:01:18,719 INFO L225 Difference]: With dead ends: 27
[2024-12-02 15:01:18,719 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 15:01:18,721 INFO L434 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
[2024-12-02 15:01:18,724 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:01:18,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:01:18,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 15:01:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 15:01:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:01:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-12-02 15:01:18,749 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12
[2024-12-02 15:01:18,750 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:01:18,750 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-12-02 15:01:18,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-02 15:01:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-12-02 15:01:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 15:01:18,751 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:01:18,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:01:18,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:01:18,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:01:18,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 15:01:18,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:18,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1923424001, now seen corresponding path program 1 times
[2024-12-02 15:01:18,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:01:18,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875140871]
[2024-12-02 15:01:18,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:18,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:01:18,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:01:18,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:01:18,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:01:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:01:19,040 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:01:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:01:19,077 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-02 15:01:19,078 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:01:19,079 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-12-02 15:01:19,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-12-02 15:01:19,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:01:19,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:01:19,283 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 15:01:19,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:01:19,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:19 BoogieIcfgContainer
[2024-12-02 15:01:19,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:01:19,303 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:01:19,303 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:01:19,303 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:01:19,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:18" (3/4) ...
[2024-12-02 15:01:19,305 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 15:01:19,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:01:19,306 INFO L158 Benchmark]: Toolchain (without parser) took 2141.87ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 42.3MB in the end (delta: 23.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB.
[2024-12-02 15:01:19,307 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:19,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.28ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.8MB in the end (delta: 4.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB.
[2024-12-02 15:01:19,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.77ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 58.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:19,307 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:19,308 INFO L158 Benchmark]: RCFGBuilder took 297.29ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 42.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:01:19,308 INFO L158 Benchmark]: TraceAbstraction took 889.31ms. Allocated memory is still 92.3MB. Free memory was 41.6MB in the beginning and 42.3MB in the end (delta: -677.8kB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB.
[2024-12-02 15:01:19,308 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:19,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 873.28ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.8MB in the end (delta: 4.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.77ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 58.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.96ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 297.29ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 42.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 889.31ms. Allocated memory is still 92.3MB. Free memory was 41.6MB in the beginning and 42.3MB in the end (delta: -677.8kB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB.
* Witness Printer took 3.15ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 1593]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1569] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1569] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_54_bad()
[L1551] int data;
[L1552] data = 0
[L1554] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1557] data = atoi(inputBuffer)
[L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_54b_badSink(data)
[L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_54c_badSink(data)
[L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_54d_badSink(data)
[L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_54e_badSink(data)
[L1591] COND TRUE data > 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1593] data * 2
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1593]: 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 15:01:19,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b691c05f-0497-4602-b258-2f80ac5cec02/bin/uautomizer-verify-84ZbGMXZE1/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