./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/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_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae57481434c4d2d83f3418f57c937e0ced919170ca4bdab03ab9b5db6056f353
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:56:56,321 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:56:56,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-08 16:56:56,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:56:56,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:56:56,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:56:56,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:56:56,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:56:56,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:56:56,427 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:56:56,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:56:56,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:56:56,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:56:56,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:56:56,429 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:56:56,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:56:56,430 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:56:56,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:56:56,431 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:56:56,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:56:56,432 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 16:56:56,433 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 16:56:56,433 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-08 16:56:56,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:56:56,434 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 16:56:56,435 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:56:56,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:56:56,435 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:56:56,436 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:56:56,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:56:56,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:56:56,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:56:56,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:56:56,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:56:56,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:56:56,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:56:56,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:56:56,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:56:56,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:56:56,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:56:56,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:56:56,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:56:56,445 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_20f2aa83-e2dc-4172-98f5-2b9de04a3019/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae57481434c4d2d83f3418f57c937e0ced919170ca4bdab03ab9b5db6056f353
[2024-11-08 16:56:56,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:56:56,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:56:56,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:56:56,750 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:56:56,754 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:56:56,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c
Unable to find full path for "g++"
[2024-11-08 16:56:58,713 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:56:58,937 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:56:58,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-read.c
[2024-11-08 16:56:58,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/data/26cfd44ca/498c9cb5afb44e54b4c0656c0eb5ea5d/FLAG964ec390f
[2024-11-08 16:56:59,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/data/26cfd44ca/498c9cb5afb44e54b4c0656c0eb5ea5d
[2024-11-08 16:56:59,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:56:59,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:56:59,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:56:59,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:56:59,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:56:59,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d4174b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59, skipping insertion in model container
[2024-11-08 16:56:59,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,340 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:56:59,520 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:56:59,530 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:56:59,544 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:56:59,561 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:56:59,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59 WrapperNode
[2024-11-08 16:56:59,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:56:59,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:56:59,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:56:59,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:56:59,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,599 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54
[2024-11-08 16:56:59,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:56:59,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:56:59,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:56:59,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:56:59,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,624 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1].
[2024-11-08 16:56:59,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:56:59,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:56:59,638 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:56:59,638 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:56:59,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (1/1) ...
[2024-11-08 16:56:59,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:56:59,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:56:59,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:56:59,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:56:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 16:56:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:56:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:56:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 16:56:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 16:56:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 16:56:59,762 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:56:59,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:56:59,940 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live.
[2024-11-08 16:56:59,941 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:56:59,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:56:59,955 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:56:59,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:56:59 BoogieIcfgContainer
[2024-11-08 16:56:59,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:56:59,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:56:59,958 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:56:59,962 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:56:59,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:56:59" (1/3) ...
[2024-11-08 16:56:59,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a3f1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:56:59, skipping insertion in model container
[2024-11-08 16:56:59,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:56:59" (2/3) ...
[2024-11-08 16:56:59,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a3f1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:56:59, skipping insertion in model container
[2024-11-08 16:56:59,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:56:59" (3/3) ...
[2024-11-08 16:56:59,966 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_-read.c
[2024-11-08 16:56:59,986 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:56:59,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-08 16:57:00,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:57:00,035 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=None, 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;@53b7a3ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:57:00,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-08 16:57:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:57:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 16:57:00,044 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:57:00,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:57:00,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2024-11-08 16:57:00,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:57:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1836397929, now seen corresponding path program 1 times
[2024-11-08 16:57:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:57:00,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863574687]
[2024-11-08 16:57:00,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:57:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:57:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:57:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:57:00,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:57:00,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863574687]
[2024-11-08 16:57:00,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863574687] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:57:00,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:57:00,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:57:00,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524201529]
[2024-11-08 16:57:00,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:57:00,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:57:00,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:57:00,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:57:00,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:57:00,265 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:57:00,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:57:00,341 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions.
[2024-11-08 16:57:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:57:00,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-08 16:57:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:57:00,364 INFO L225 Difference]: With dead ends: 45
[2024-11-08 16:57:00,364 INFO L226 Difference]: Without dead ends: 43
[2024-11-08 16:57:00,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:57:00,373 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:57:00,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:57:00,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-08 16:57:00,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30.
[2024-11-08 16:57:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:57:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2024-11-08 16:57:00,425 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 7
[2024-11-08 16:57:00,425 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:57:00,426 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2024-11-08 16:57:00,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:57:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2024-11-08 16:57:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 16:57:00,426 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:57:00,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:57:00,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:57:00,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX === [ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] ===
[2024-11-08 16:57:00,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:57:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1805952520, now seen corresponding path program 1 times
[2024-11-08 16:57:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:57:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532281650]
[2024-11-08 16:57:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:57:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:57:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:57:00,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:57:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:57:00,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:57:00,492 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:57:00,494 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX (7 of 8 remaining)
[2024-11-08 16:57:00,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 8 remaining)
[2024-11-08 16:57:00,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 8 remaining)
[2024-11-08 16:57:00,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 8 remaining)
[2024-11-08 16:57:00,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 8 remaining)
[2024-11-08 16:57:00,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 8 remaining)
[2024-11-08 16:57:00,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 8 remaining)
[2024-11-08 16:57:00,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining)
[2024-11-08 16:57:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:57:00,505 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 16:57:00,521 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:57:00,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:57:00 BoogieIcfgContainer
[2024-11-08 16:57:00,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:57:00,525 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:57:00,525 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:57:00,526 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:57:00,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:56:59" (3/4) ...
[2024-11-08 16:57:00,527 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 16:57:00,563 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:57:00,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:57:00,564 INFO L158 Benchmark]: Toolchain (without parser) took 1261.82ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 95.7MB in the beginning and 130.4MB in the end (delta: -34.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2024-11-08 16:57:00,564 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:57:00,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.25ms. Allocated memory is still 127.9MB. Free memory was 95.2MB in the beginning and 83.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:57:00,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.61ms. Allocated memory is still 127.9MB. Free memory was 83.4MB in the beginning and 81.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:57:00,566 INFO L158 Benchmark]: Boogie Preprocessor took 36.05ms. Allocated memory is still 127.9MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:57:00,566 INFO L158 Benchmark]: RCFGBuilder took 317.91ms. Allocated memory is still 127.9MB. Free memory was 80.2MB in the beginning and 67.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:57:00,567 INFO L158 Benchmark]: TraceAbstraction took 566.37ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 67.1MB in the beginning and 132.5MB in the end (delta: -65.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:57:00,567 INFO L158 Benchmark]: Witness Printer took 38.19ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:57:00,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 259.25ms. Allocated memory is still 127.9MB. Free memory was 95.2MB in the beginning and 83.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.61ms. Allocated memory is still 127.9MB. Free memory was 83.4MB in the beginning and 81.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.05ms. Allocated memory is still 127.9MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 317.91ms. Allocated memory is still 127.9MB. Free memory was 80.2MB in the beginning and 67.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 566.37ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 67.1MB in the beginning and 132.5MB in the end (delta: -65.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 38.19ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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
- CounterExampleResult [Line: 15]: array index can be out of bounds
array index can be out of bounds
We found a FailurePath:
[L21] int i, b[100];
[L22] i = 0
VAL [b={2:0}, i=0]
[L22] COND FALSE !(i < 100)
[L22] COND TRUE i < 100
[L23] CALL foo(i, b, i)
[L13] int a[n], i;
[L14] i = 0
VAL [b={2:0}, i=0, n=0, size=0]
[L14] COND FALSE !(i < size + 1)
[L14] COND TRUE i < size + 1
VAL [b={2:0}, i=0, n=0, size=0]
[L15] a[i]
VAL [b={2:0}, size=0]
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 31 locations, 8 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, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 23 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 16:57:00,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2aa83-e2dc-4172-98f5-2b9de04a3019/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-deref)