./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX --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 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:54:38,380 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:54:38,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 16:54:38,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:54:38,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:54:38,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:54:38,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:54:38,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:54:38,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:54:38,501 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:54:38,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:54:38,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:54:38,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:54:38,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:54:38,504 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:54:38,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:54:38,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:54:38,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:54:38,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:54:38,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:54:38,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:54:38,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:54:38,509 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:54:38,509 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:54:38,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:54:38,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:54:38,511 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:54:38,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:54:38,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:54:38,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:54:38,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:54:38,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:54:38,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:54:38,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:54:38,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:54:38,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:54:38,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:54:38,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:54:38,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:54:38,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:54:38,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:54:38,518 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2
[2024-11-08 16:54:38,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:54:38,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:54:38,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:54:38,919 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:54:38,920 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:54:38,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i
Unable to find full path for "g++"
[2024-11-08 16:54:41,309 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:54:41,849 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:54:41,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i
[2024-11-08 16:54:41,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data/a7583f5e3/95a53a97f2394b3698ac54e539ac21ef/FLAG866da1157
[2024-11-08 16:54:41,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data/a7583f5e3/95a53a97f2394b3698ac54e539ac21ef
[2024-11-08 16:54:41,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:54:41,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:54:41,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:54:41,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:54:41,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:54:41,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:54:41" (1/1) ...
[2024-11-08 16:54:41,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2ea711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:41, skipping insertion in model container
[2024-11-08 16:54:41,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:54:41" (1/1) ...
[2024-11-08 16:54:42,109 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:54:43,463 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:54:43,476 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:54:43,635 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:54:43,832 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:54:43,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43 WrapperNode
[2024-11-08 16:54:43,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:54:43,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:54:43,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:54:43,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:54:43,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:43,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:43,939 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75
[2024-11-08 16:54:43,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:54:43,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:54:43,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:54:43,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:54:43,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:43,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:43,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:43,999 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2].
[2024-11-08 16:54:44,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:54:44,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:54:44,038 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:54:44,039 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:54:44,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (1/1) ...
[2024-11-08 16:54:44,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:54:44,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:54:44,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:54:44,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:54:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 16:54:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 16:54:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 16:54:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 16:54:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 16:54:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:54:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:54:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:54:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 16:54:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 16:54:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 16:54:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:54:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 16:54:44,380 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:54:44,383 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:54:44,625 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-11-08 16:54:44,625 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:54:44,647 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:54:44,648 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:54:44,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:44 BoogieIcfgContainer
[2024-11-08 16:54:44,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:54:44,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:54:44,652 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:54:44,658 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:54:44,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:54:41" (1/3) ...
[2024-11-08 16:54:44,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4747a61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:54:44, skipping insertion in model container
[2024-11-08 16:54:44,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:43" (2/3) ...
[2024-11-08 16:54:44,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4747a61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:54:44, skipping insertion in model container
[2024-11-08 16:54:44,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:44" (3/3) ...
[2024-11-08 16:54:44,662 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i
[2024-11-08 16:54:44,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:54:44,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 16:54:44,756 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:54:44,767 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;@3aeb41f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:54:44,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 16:54:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 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)
[2024-11-08 16:54:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-08 16:54:44,784 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:54:44,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:54:44,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 16:54:44,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:54:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 84640165, now seen corresponding path program 1 times
[2024-11-08 16:54:44,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:54:44,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663509991]
[2024-11-08 16:54:44,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:54:44,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:54:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:54:45,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:54:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:54:45,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:54:45,180 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:54:45,182 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 16:54:45,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 16:54:45,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:54:45,193 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 16:54:45,237 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:54:45,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:54:45 BoogieIcfgContainer
[2024-11-08 16:54:45,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:54:45,243 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:54:45,243 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:54:45,244 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:54:45,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:44" (3/4) ...
[2024-11-08 16:54:45,250 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 16:54:45,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:54:45,252 INFO L158 Benchmark]: Toolchain (without parser) took 3271.39ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 110.4MB in the end (delta: 26.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB.
[2024-11-08 16:54:45,253 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:54:45,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1850.77ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 70.1MB in the end (delta: 66.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-11-08 16:54:45,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.00ms. Allocated memory is still 176.2MB. Free memory was 70.1MB in the beginning and 67.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:54:45,255 INFO L158 Benchmark]: Boogie Preprocessor took 96.77ms. Allocated memory is still 176.2MB. Free memory was 67.5MB in the beginning and 64.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:54:45,256 INFO L158 Benchmark]: RCFGBuilder took 610.50ms. Allocated memory is still 176.2MB. Free memory was 64.6MB in the beginning and 132.4MB in the end (delta: -67.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB.
[2024-11-08 16:54:45,257 INFO L158 Benchmark]: TraceAbstraction took 590.31ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 110.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2024-11-08 16:54:45,258 INFO L158 Benchmark]: Witness Printer took 8.39ms. Allocated memory is still 176.2MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:54:45,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1850.77ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 70.1MB in the end (delta: 66.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 105.00ms. Allocated memory is still 176.2MB. Free memory was 70.1MB in the beginning and 67.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 96.77ms. Allocated memory is still 176.2MB. Free memory was 67.5MB in the beginning and 64.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 610.50ms. Allocated memory is still 176.2MB. Free memory was 64.6MB in the beginning and 132.4MB in the end (delta: -67.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 590.31ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 110.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Witness Printer took 8.39ms. Allocated memory is still 176.2MB. Free memory is still 110.4MB. 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: 1580]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1569] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1569] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_64_bad()
[L1551] int data;
[L1552] data = 0
[L1554] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1557] data = atoi(inputBuffer)
[L1557] data = atoi(inputBuffer)
[L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_64b_badSink(&data)
[L1576] int * dataPtr = (int *)dataVoidPtr;
[L1577] EXPR \read(*dataPtr)
[L1577] int data = (*dataPtr);
[L1578] 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]
[L1580] 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: 1580]: 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: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 16:54:45,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX --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 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:54:48,505 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:54:48,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-08 16:54:48,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:54:48,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:54:48,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-08 16:54:48,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:54:48,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:54:48,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:54:48,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:54:48,639 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:54:48,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:54:48,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:54:48,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:54:48,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:54:48,643 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:54:48,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:54:48,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:54:48,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:54:48,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:54:48,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:54:48,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:54:48,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 16:54:48,649 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 16:54:48,649 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:54:48,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:54:48,650 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 16:54:48,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:54:48,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:54:48,651 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:54:48,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:54:48,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:54:48,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:54:48,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:54:48,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:54:48,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:54:48,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:54:48,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:54:48,655 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 16:54:48,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 16:54:48,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:54:48,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:54:48,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:54:48,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:54:48,658 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2
[2024-11-08 16:54:49,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:54:49,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:54:49,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:54:49,240 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:54:49,241 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:54:49,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i
Unable to find full path for "g++"
[2024-11-08 16:54:51,997 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:54:52,566 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:54:52,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i
[2024-11-08 16:54:52,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data/cb77add0c/e153454157c2411cb53182ce3759e2a7/FLAG6241e4b3c
[2024-11-08 16:54:53,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/data/cb77add0c/e153454157c2411cb53182ce3759e2a7
[2024-11-08 16:54:53,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:54:53,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:54:53,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:54:53,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:54:53,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:54:53,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:54:53" (1/1) ...
[2024-11-08 16:54:53,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d478f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:53, skipping insertion in model container
[2024-11-08 16:54:53,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:54:53" (1/1) ...
[2024-11-08 16:54:53,228 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:54:54,680 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 16:54:54,689 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:54:54,711 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:54:54,872 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:54:55,032 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:54:55,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55 WrapperNode
[2024-11-08 16:54:55,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:54:55,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:54:55,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:54:55,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:54:55,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,128 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74
[2024-11-08 16:54:55,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:54:55,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:54:55,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:54:55,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:54:55,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,169 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2].
[2024-11-08 16:54:55,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:54:55,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:54:55,198 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:54:55,198 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:54:55,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (1/1) ...
[2024-11-08 16:54:55,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:54:55,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:54:55,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:54:55,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:54:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 16:54:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 16:54:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 16:54:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 16:54:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-08 16:54:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:54:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:54:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:54:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 16:54:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-08 16:54:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 16:54:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-08 16:54:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-08 16:54:55,481 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:54:55,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:54:55,773 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-11-08 16:54:55,773 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:54:55,791 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:54:55,791 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:54:55,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:55 BoogieIcfgContainer
[2024-11-08 16:54:55,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:54:55,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:54:55,796 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:54:55,800 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:54:55,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:54:53" (1/3) ...
[2024-11-08 16:54:55,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31819ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:54:55, skipping insertion in model container
[2024-11-08 16:54:55,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:54:55" (2/3) ...
[2024-11-08 16:54:55,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31819ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:54:55, skipping insertion in model container
[2024-11-08 16:54:55,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:55" (3/3) ...
[2024-11-08 16:54:55,807 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i
[2024-11-08 16:54:55,831 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:54:55,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 16:54:55,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:54:55,913 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;@3755b7a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:54:55,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 16:54:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 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)
[2024-11-08 16:54:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-08 16:54:55,928 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:54:55,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:54:55,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-08 16:54:55,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:54:55,936 INFO L85 PathProgramCache]: Analyzing trace with hash 84640165, now seen corresponding path program 1 times
[2024-11-08 16:54:55,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 16:54:55,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [846049259]
[2024-11-08 16:54:55,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:54:55,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:54:55,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:54:55,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:54:55,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 16:54:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:54:56,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:54:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:54:56,398 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 16:54:56,402 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:54:56,403 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-08 16:54:56,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-08 16:54:56,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 16:54:56,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:54:56,613 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 16:54:56,638 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:54:56,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:54:56 BoogieIcfgContainer
[2024-11-08 16:54:56,642 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:54:56,643 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:54:56,643 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:54:56,643 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:54:56,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:54:55" (3/4) ...
[2024-11-08 16:54:56,648 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 16:54:56,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:54:56,653 INFO L158 Benchmark]: Toolchain (without parser) took 3543.67ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 57.3MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:54:56,654 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 52.4MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:54:56,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1922.37ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 38.0MB in the end (delta: 13.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB.
[2024-11-08 16:54:56,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.75ms. Allocated memory is still 96.5MB. Free memory was 38.0MB in the beginning and 67.1MB in the end (delta: -29.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB.
[2024-11-08 16:54:56,657 INFO L158 Benchmark]: Boogie Preprocessor took 65.19ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 63.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:54:56,658 INFO L158 Benchmark]: RCFGBuilder took 594.51ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 47.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 16:54:56,659 INFO L158 Benchmark]: TraceAbstraction took 845.96ms. Allocated memory is still 96.5MB. Free memory was 47.1MB in the beginning and 57.3MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:54:56,659 INFO L158 Benchmark]: Witness Printer took 7.36ms. Allocated memory is still 96.5MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:54:56,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.68ms. Allocated memory is still 52.4MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1922.37ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 38.0MB in the end (delta: 13.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 95.75ms. Allocated memory is still 96.5MB. Free memory was 38.0MB in the beginning and 67.1MB in the end (delta: -29.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 65.19ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 63.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 594.51ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 47.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 845.96ms. Allocated memory is still 96.5MB. Free memory was 47.1MB in the beginning and 57.3MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 7.36ms. Allocated memory is still 96.5MB. Free memory is still 57.3MB. 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: 1580]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1569] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1569] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_64_bad()
[L1551] int data;
[L1552] data = 0
[L1554] char inputBuffer[(3 * sizeof(data) + 2)] = "";
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)
[L1557] data = atoi(inputBuffer)
[L1557] data = atoi(inputBuffer)
[L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_64b_badSink(&data)
[L1576] int * dataPtr = (int *)dataVoidPtr;
[L1577] EXPR \read(*dataPtr)
[L1577] int data = (*dataPtr);
[L1578] COND TRUE data < 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1580] 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: 1580]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 16:54:56,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7851a9-251b-4412-9229-762b99b4c78d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample