./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_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_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/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_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/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_94c9086e-d5fc-4a7c-8490-ed62a4800274/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 d224ee7eebe766b80d0031e8e2e3146a9ebec8d2646de8c254e6c680bbbabd31
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:55:37,303 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:55:37,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 13:55:37,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:55:37,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:55:37,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:55:37,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:55:37,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:55:37,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:55:37,392 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:55:37,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:55:37,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:55:37,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:55:37,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:55:37,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:55:37,393 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:55:37,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:55:37,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:55:37,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:55:37,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:55:37,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:55:37,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:55:37,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:55:37,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:55:37,396 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_94c9086e-d5fc-4a7c-8490-ed62a4800274/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 -> d224ee7eebe766b80d0031e8e2e3146a9ebec8d2646de8c254e6c680bbbabd31
[2024-12-02 13:55:37,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:55:37,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:55:37,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:55:37,655 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:55:37,656 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:55:37,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i
[2024-12-02 13:55:40,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/f8c8bf1b8/f667238c2f164105bd2284ec7eb4f29b/FLAG21be33449
[2024-12-02 13:55:40,626 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:55:40,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i
[2024-12-02 13:55:40,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/f8c8bf1b8/f667238c2f164105bd2284ec7eb4f29b/FLAG21be33449
[2024-12-02 13:55:40,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/f8c8bf1b8/f667238c2f164105bd2284ec7eb4f29b
[2024-12-02 13:55:40,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:55:40,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:55:40,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:55:40,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:55:40,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:55:40,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:55:40" (1/1) ...
[2024-12-02 13:55:40,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e528833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:40, skipping insertion in model container
[2024-12-02 13:55:40,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:55:40" (1/1) ...
[2024-12-02 13:55:40,932 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:55:41,541 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:55:41,550 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:55:41,624 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:55:41,701 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:55:41,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41 WrapperNode
[2024-12-02 13:55:41,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:55:41,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:55:41,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:55:41,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:55:41,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,748 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73
[2024-12-02 13:55:41,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:55:41,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:55:41,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:55:41,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:55:41,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,767 INFO L175 MemorySlicer]: Split 5 memory accesses to 3 slices as follows [1, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-12-02 13:55:41,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,774 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:55:41,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:55:41,780 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:55:41,780 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:55:41,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (1/1) ...
[2024-12-02 13:55:41,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:55:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:55:41,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:55:41,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:55:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 13:55:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 13:55:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 13:55:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 13:55:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 13:55:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 13:55:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:55:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 13:55:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 13:55:41,949 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:55:41,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:55:42,068 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-12-02 13:55:42,068 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:55:42,077 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:55:42,078 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 13:55:42,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:42 BoogieIcfgContainer
[2024-12-02 13:55:42,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:55:42,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:55:42,080 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:55:42,085 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:55:42,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:55:40" (1/3) ...
[2024-12-02 13:55:42,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654cec68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:55:42, skipping insertion in model container
[2024-12-02 13:55:42,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:41" (2/3) ...
[2024-12-02 13:55:42,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654cec68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:55:42, skipping insertion in model container
[2024-12-02 13:55:42,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:42" (3/3) ...
[2024-12-02 13:55:42,088 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i
[2024-12-02 13:55:42,103 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:55:42,104 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-02 13:55:42,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:55:42,161 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;@4d0ce731, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:55:42,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 13:55:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 13:55:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 13:55:42,171 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:55:42,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:55:42,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 13:55:42,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:55:42,176 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times
[2024-12-02 13:55:42,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:55:42,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865195855]
[2024-12-02 13:55:42,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:55:42,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:55:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:55:42,439 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 13:55:42,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:55:42,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865195855]
[2024-12-02 13:55:42,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865195855] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:55:42,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:55:42,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:55:42,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531160611]
[2024-12-02 13:55:42,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:55:42,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:55:42,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:55:42,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:55:42,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:55:42,460 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 13:55:42,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:55:42,485 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions.
[2024-12-02 13:55:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:55:42,487 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 13:55:42,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:55:42,491 INFO L225 Difference]: With dead ends: 25
[2024-12-02 13:55:42,491 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 13:55:42,494 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 13:55:42,496 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 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 13:55:42,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:55:42,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 13:55:42,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 13:55:42,518 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 13:55:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-12-02 13:55:42,522 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12
[2024-12-02 13:55:42,523 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:55:42,523 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-12-02 13:55:42,523 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 13:55:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-12-02 13:55:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 13:55:42,524 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:55:42,524 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:55:42,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:55:42,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 13:55:42,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:55:42,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times
[2024-12-02 13:55:42,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:55:42,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864451541]
[2024-12-02 13:55:42,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:55:42,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:55:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:55:42,569 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:55:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:55:42,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 13:55:42,608 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:55:42,609 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-12-02 13:55:42,611 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-12-02 13:55:42,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:55:42,613 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 13:55:42,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:55:42,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:55:42 BoogieIcfgContainer
[2024-12-02 13:55:42,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:55:42,635 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:55:42,635 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:55:42,635 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:55:42,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:42" (3/4) ...
[2024-12-02 13:55:42,638 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 13:55:42,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:55:42,639 INFO L158 Benchmark]: Toolchain (without parser) took 1745.78ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 59.5MB in the end (delta: 55.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB.
[2024-12-02 13:55:42,640 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:55:42,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.24ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 54.6MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-12-02 13:55:42,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.79ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 113.6MB in the end (delta: -59.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2024-12-02 13:55:42,640 INFO L158 Benchmark]: Boogie Preprocessor took 30.63ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 111.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:55:42,641 INFO L158 Benchmark]: RCFGBuilder took 298.46ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 97.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:55:42,641 INFO L158 Benchmark]: TraceAbstraction took 553.90ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 60.2MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 13:55:42,641 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 59.5MB in the end (delta: 674.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:55:42,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 807.24ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 54.6MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.79ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 113.6MB in the end (delta: -59.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.63ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 111.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 298.46ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 97.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 553.90ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 60.2MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Witness Printer took 3.93ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 59.5MB in the end (delta: 674.0kB). 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: 1584]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560.
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]
[L1575] 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)
[L1575] 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]
[L1576] CALL CWE190_Integer_Overflow__int_fgets_multiply_67_bad()
[L1555] int data;
[L1556] CWE190_Integer_Overflow__int_fgets_multiply_67_structType myStruct;
[L1557] data = 0
[L1559] 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, myStruct={18:0}]
[L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1562] data = atoi(inputBuffer)
[L1569] myStruct.structFirst = data
[L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_67b_badSink(myStruct)
[L1581] EXPR myStruct.structFirst
[L1581] int data = myStruct.structFirst;
[L1582] 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]
[L1584] 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: 1584]: 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: 0.5s, 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, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 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=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s 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 13:55:42,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/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_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/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_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/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_94c9086e-d5fc-4a7c-8490-ed62a4800274/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 d224ee7eebe766b80d0031e8e2e3146a9ebec8d2646de8c254e6c680bbbabd31
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:55:44,617 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:55:44,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-12-02 13:55:44,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:55:44,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:55:44,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-12-02 13:55:44,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:55:44,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:55:44,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:55:44,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:55:44,730 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:55:44,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:55:44,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:55:44,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:55:44,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:55:44,731 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:55:44,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:55:44,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:55:44,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:55:44,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:55:44,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:55:44,732 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:55:44,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:55:44,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:55:44,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:55:44,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:55:44,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:55:44,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:55:44,734 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_94c9086e-d5fc-4a7c-8490-ed62a4800274/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 -> d224ee7eebe766b80d0031e8e2e3146a9ebec8d2646de8c254e6c680bbbabd31
[2024-12-02 13:55:44,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:55:44,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:55:44,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:55:44,967 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:55:44,967 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:55:44,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i
[2024-12-02 13:55:47,586 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/2a9715385/e0bfa6c3846a48c98dc7095c88a3528f/FLAG48c5fe50a
[2024-12-02 13:55:47,926 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:55:47,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i
[2024-12-02 13:55:47,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/2a9715385/e0bfa6c3846a48c98dc7095c88a3528f/FLAG48c5fe50a
[2024-12-02 13:55:48,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/data/2a9715385/e0bfa6c3846a48c98dc7095c88a3528f
[2024-12-02 13:55:48,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:55:48,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:55:48,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:55:48,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:55:48,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:55:48,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:55:48" (1/1) ...
[2024-12-02 13:55:48,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5860938e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:48, skipping insertion in model container
[2024-12-02 13:55:48,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:55:48" (1/1) ...
[2024-12-02 13:55:48,221 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:55:48,882 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:55:48,894 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:55:48,989 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:55:49,100 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:55:49,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49 WrapperNode
[2024-12-02 13:55:49,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:55:49,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:55:49,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:55:49,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:55:49,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,145 INFO L138 Inliner]: procedures = 504, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72
[2024-12-02 13:55:49,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:55:49,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:55:49,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:55:49,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:55:49,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,168 INFO L175 MemorySlicer]: Split 5 memory accesses to 3 slices as follows [1, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-12-02 13:55:49,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:55:49,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:55:49,185 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:55:49,185 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:55:49,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (1/1) ...
[2024-12-02 13:55:49,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:55:49,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:55:49,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:55:49,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:55:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 13:55:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:55:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-12-02 13:55:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-12-02 13:55:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-12-02 13:55:49,359 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:55:49,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:55:49,500 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-12-02 13:55:49,500 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:55:49,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:55:49,507 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 13:55:49,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:49 BoogieIcfgContainer
[2024-12-02 13:55:49,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:55:49,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:55:49,509 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:55:49,513 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:55:49,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:55:48" (1/3) ...
[2024-12-02 13:55:49,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb56ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:55:49, skipping insertion in model container
[2024-12-02 13:55:49,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:55:49" (2/3) ...
[2024-12-02 13:55:49,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb56ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:55:49, skipping insertion in model container
[2024-12-02 13:55:49,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:49" (3/3) ...
[2024-12-02 13:55:49,515 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i
[2024-12-02 13:55:49,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:55:49,526 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_67_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-02 13:55:49,565 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:55:49,574 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;@423ce4a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:55:49,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 13:55:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 13:55:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 13:55:49,581 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:55:49,582 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:55:49,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 13:55:49,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:55:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times
[2024-12-02 13:55:49,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:55:49,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1882021699]
[2024-12-02 13:55:49,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:55:49,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:55:49,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:55:49,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:55:49,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:55:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:55:49,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 13:55:49,753 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:55:49,785 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 13:55:49,785 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:55:49,786 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:55:49,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882021699]
[2024-12-02 13:55:49,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882021699] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:55:49,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:55:49,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:55:49,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213763337]
[2024-12-02 13:55:49,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:55:49,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:55:49,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:55:49,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:55:49,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:55:49,807 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 13:55:49,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:55:49,853 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions.
[2024-12-02 13:55:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:55:49,856 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 13:55:49,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:55:49,860 INFO L225 Difference]: With dead ends: 25
[2024-12-02 13:55:49,860 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 13:55:49,862 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 13:55:49,865 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 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 13:55:49,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:55:49,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 13:55:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 13:55:49,886 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 13:55:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-12-02 13:55:49,890 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12
[2024-12-02 13:55:49,891 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:55:49,891 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-12-02 13:55:49,892 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 13:55:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-12-02 13:55:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 13:55:49,893 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:55:49,893 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:55:49,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:55:50,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:55:50,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-12-02 13:55:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:55:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times
[2024-12-02 13:55:50,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:55:50,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346323643]
[2024-12-02 13:55:50,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:55:50,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:55:50,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:55:50,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:55:50,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:55:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:55:50,306 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:55:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:55:50,425 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-02 13:55:50,425 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 13:55:50,427 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-12-02 13:55:50,428 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-12-02 13:55:50,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:55:50,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:55:50,631 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 13:55:50,648 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:55:50,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:55:50 BoogieIcfgContainer
[2024-12-02 13:55:50,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:55:50,652 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:55:50,652 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:55:50,652 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:55:50,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:55:49" (3/4) ...
[2024-12-02 13:55:50,655 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 13:55:50,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:55:50,656 INFO L158 Benchmark]: Toolchain (without parser) took 2474.37ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 34.7MB in the end (delta: 30.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
[2024-12-02 13:55:50,656 INFO L158 Benchmark]: CDTParser took 0.38ms. 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 13:55:50,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.89ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 61.2MB in the end (delta: 4.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB.
[2024-12-02 13:55:50,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.32ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 58.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:55:50,657 INFO L158 Benchmark]: Boogie Preprocessor took 39.23ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 55.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:55:50,657 INFO L158 Benchmark]: RCFGBuilder took 322.30ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 40.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:55:50,657 INFO L158 Benchmark]: TraceAbstraction took 1142.52ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 35.2MB in the end (delta: 4.9MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
[2024-12-02 13:55:50,658 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 92.3MB. Free memory was 35.2MB in the beginning and 34.7MB in the end (delta: 481.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:55:50,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 918.89ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 61.2MB in the end (delta: 4.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.32ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 58.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.23ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 55.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 322.30ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 40.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1142.52ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 35.2MB in the end (delta: 4.9MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB.
* Witness Printer took 3.30ms. Allocated memory is still 92.3MB. Free memory was 35.2MB in the beginning and 34.7MB in the end (delta: 481.4kB). 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: 1584]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560.
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]
[L1575] 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)
[L1575] 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]
[L1576] CALL CWE190_Integer_Overflow__int_fgets_multiply_67_bad()
[L1555] int data;
[L1556] CWE190_Integer_Overflow__int_fgets_multiply_67_structType myStruct;
[L1557] data = 0
[L1559] 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, myStruct={7:0}]
[L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1562] data = atoi(inputBuffer)
[L1569] myStruct.structFirst = data
[L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_67b_badSink(myStruct)
[L1581] EXPR myStruct.structFirst
[L1581] int data = myStruct.structFirst;
[L1582] 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]
[L1584] 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: 1584]: 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: 1.1s, 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, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 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=25occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 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 13:55:50,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c9086e-d5fc-4a7c-8490-ed62a4800274/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