./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC --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 32bit --witnessprinter.graph.data.programhash 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:25:40,408 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:25:40,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 18:25:40,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:25:40,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:25:40,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:25:40,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:25:40,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:25:40,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:25:40,513 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:25:40,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:25:40,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:25:40,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:25:40,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:25:40,514 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:25:40,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:25:40,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:25:40,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:25:40,516 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:25:40,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:25:40,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:25:40,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:25:40,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:25:40,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:25:40,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:25:40,518 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7
[2024-11-23 18:25:40,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:25:40,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:25:40,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:25:40,876 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:25:40,876 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:25:40,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-regression/test22-2.c
[2024-11-23 18:25:43,905 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/data/c6d20cf9c/3aed91a04d1d458fb3f0c9ab669e50dd/FLAGf69f8db6f
[2024-11-23 18:25:44,273 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:25:44,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/sv-benchmarks/c/ldv-regression/test22-2.c
[2024-11-23 18:25:44,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/data/c6d20cf9c/3aed91a04d1d458fb3f0c9ab669e50dd/FLAGf69f8db6f
[2024-11-23 18:25:44,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/data/c6d20cf9c/3aed91a04d1d458fb3f0c9ab669e50dd
[2024-11-23 18:25:44,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:25:44,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:25:44,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:25:44,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:25:44,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:25:44,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517652b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44, skipping insertion in model container
[2024-11-23 18:25:44,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,531 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:25:44,693 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:25:44,702 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:25:44,719 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:25:44,735 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:25:44,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44 WrapperNode
[2024-11-23 18:25:44,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:25:44,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:25:44,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:25:44,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:25:44,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,777 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95
[2024-11-23 18:25:44,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:25:44,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:25:44,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:25:44,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:25:44,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,814 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 4 writes are split as follows [0, 4].
[2024-11-23 18:25:44,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,829 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:25:44,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:25:44,849 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:25:44,849 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:25:44,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (1/1) ...
[2024-11-23 18:25:44,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:25:44,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:25:44,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:25:44,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:25:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:25:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:25:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 18:25:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 18:25:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 18:25:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy
[2024-11-23 18:25:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy
[2024-11-23 18:25:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:25:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:25:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 18:25:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 18:25:45,033 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:25:45,035 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:25:45,313 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-23 18:25:45,313 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:25:45,333 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:25:45,333 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 18:25:45,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:25:45 BoogieIcfgContainer
[2024-11-23 18:25:45,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:25:45,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:25:45,339 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:25:45,346 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:25:45,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:25:44" (1/3) ...
[2024-11-23 18:25:45,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bc3303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:25:45, skipping insertion in model container
[2024-11-23 18:25:45,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:25:44" (2/3) ...
[2024-11-23 18:25:45,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bc3303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:25:45, skipping insertion in model container
[2024-11-23 18:25:45,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:25:45" (3/3) ...
[2024-11-23 18:25:45,349 INFO L128 eAbstractionObserver]: Analyzing ICFG test22-2.c
[2024-11-23 18:25:45,373 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:25:45,375 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test22-2.c that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-11-23 18:25:45,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:25:45,471 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;@20b7da32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:25:45,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 18:25:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 24 states have (on average 1.375) internal successors, (33), 28 states have internal predecessors, (33), 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)
[2024-11-23 18:25:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-23 18:25:45,485 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:25:45,486 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:25:45,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:25:45,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:25:45,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1920858197, now seen corresponding path program 1 times
[2024-11-23 18:25:45,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:25:45,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883620364]
[2024-11-23 18:25:45,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:25:45,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:25:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:25:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 18:25:45,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:25:45,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883620364]
[2024-11-23 18:25:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883620364] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:25:45,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:25:45,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:25:45,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471598386]
[2024-11-23 18:25:45,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:25:45,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:25:45,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:25:45,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:25:45,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:25:45,847 INFO L87 Difference]: Start difference. First operand has 33 states, 24 states have (on average 1.375) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-23 18:25:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:25:45,902 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions.
[2024-11-23 18:25:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:25:45,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21
[2024-11-23 18:25:45,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:25:45,912 INFO L225 Difference]: With dead ends: 52
[2024-11-23 18:25:45,912 INFO L226 Difference]: Without dead ends: 24
[2024-11-23 18:25:45,916 INFO L434 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
[2024-11-23 18:25:45,921 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:25:45,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:25:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-23 18:25:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-11-23 18:25:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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)
[2024-11-23 18:25:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2024-11-23 18:25:45,967 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 21
[2024-11-23 18:25:45,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:25:45,969 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2024-11-23 18:25:45,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-23 18:25:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2024-11-23 18:25:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-23 18:25:45,972 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:25:45,972 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:25:45,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:25:45,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:25:45,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:25:45,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1920860119, now seen corresponding path program 1 times
[2024-11-23 18:25:45,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:25:45,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478852267]
[2024-11-23 18:25:45,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:25:45,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:25:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:25:46,081 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 18:25:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:25:46,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 18:25:46,177 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 18:25:46,179 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-23 18:25:46,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-23 18:25:46,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-23 18:25:46,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-23 18:25:46,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:25:46,186 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-23 18:25:46,225 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:25:46,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:25:46 BoogieIcfgContainer
[2024-11-23 18:25:46,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:25:46,229 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:25:46,229 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:25:46,229 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:25:46,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:25:45" (3/4) ...
[2024-11-23 18:25:46,231 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-23 18:25:46,282 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 10.
[2024-11-23 18:25:46,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:25:46,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:25:46,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:25:46,341 INFO L158 Benchmark]: Toolchain (without parser) took 1837.96ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 39.4MB in the end (delta: 65.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-11-23 18:25:46,341 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:25:46,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.17ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:25:46,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.08ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:25:46,342 INFO L158 Benchmark]: Boogie Preprocessor took 67.12ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:25:46,343 INFO L158 Benchmark]: RCFGBuilder took 490.11ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 77.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:25:46,344 INFO L158 Benchmark]: TraceAbstraction took 889.16ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 44.2MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-23 18:25:46,345 INFO L158 Benchmark]: Witness Printer took 111.17ms. Allocated memory is still 142.6MB. Free memory was 44.2MB in the beginning and 39.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:25:46,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 229.17ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.08ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 67.12ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 490.11ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 77.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 889.16ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 44.2MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Witness Printer took 111.17ms. Allocated memory is still 142.6MB. Free memory was 44.2MB in the beginning and 39.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. 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: 39]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L11] struct dummy d1, d2;
[L11] struct dummy d1, d2;
[L11] struct dummy d1, d2;
[L11] struct dummy d1, d2;
[L11] struct dummy d1, d2;
[L11] struct dummy d1, d2;
VAL [d1={4:0}, d2={5:0}]
[L34] CALL init()
[L15] d1.a = __VERIFIER_nondet_int()
[L16] d1.b = __VERIFIER_nondet_int()
[L18] d2.a = __VERIFIER_nondet_int()
[L19] d2.b = __VERIFIER_nondet_int()
[L34] RET init()
[L35] CALL, EXPR get_dummy()
VAL [d1={4:0}, d2={5:0}]
[L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2);
[L35] RET, EXPR get_dummy()
VAL [d1={4:0}, d2={5:0}]
[L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy();
[L35] CALL, EXPR get_dummy()
VAL [d1={4:0}, d2={5:0}]
[L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2);
[L35] RET, EXPR get_dummy()
VAL [d1={4:0}, d2={5:0}, pd1={5:0}]
[L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy();
[L35] CALL, EXPR get_dummy()
VAL [d1={4:0}, d2={5:0}]
[L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2);
[L35] RET, EXPR get_dummy()
VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}]
[L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy();
[L36] int i = __VERIFIER_nondet_int();
[L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0
VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}, pd3={4:0}]
[L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0
[L37] EXPR (*pd2).a
[L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0
VAL [d1={4:0}, d2={5:0}, pd1={5:0}, pd2={5:0}, pd3={4:0}]
[L37] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0
[L38] int *pa = &pd1->a;
[L39] EXPR pd3->a
VAL [d1={4:0}, d2={5:0}]
[L39] pd3->a - 10
VAL [d1={4:0}, d2={5:0}, pa={5:0}, pd2={5:0}]
- UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 41]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 35 mSDtfsCounter, 7 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=33occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 18:25:46,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efce8c0c-7a17-47ea-b745-b717033f58b1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)