./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_52_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
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_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/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_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_52_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/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 64bit --witnessprinter.graph.data.programhash b4153c92a1d2b691101e1a9f23fcdb137e91b429e1c8e9c4eca6b8c226c484f4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:35:35,366 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:35:35,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-23 18:35:35,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:35:35,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:35:35,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:35:35,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:35:35,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:35:35,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:35:35,504 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:35:35,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:35:35,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:35:35,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:35:35,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:35:35,505 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:35:35,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:35:35,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 18:35:35,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 18:35:35,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:35:35,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:35:35,508 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:35:35,508 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:35:35,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:35:35,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:35:35,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:35:35,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:35:35,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:35:35,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:35:35,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:35:35,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:35:35,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:35:35,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:35:35,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:35:35,510 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:35:35,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:35:35,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:35:35,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:35:35,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:35:35,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:35:35,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:35:35,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:35:35,511 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_f3931ab0-501b-4741-a2e0-f5fa214a9807/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4153c92a1d2b691101e1a9f23fcdb137e91b429e1c8e9c4eca6b8c226c484f4
[2024-11-23 18:35:35,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:35:35,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:35:35,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:35:35,840 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:35:35,840 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:35:35,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_52_good.i
[2024-11-23 18:35:38,850 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/data/e2c89eee6/df273787606f4dce96620f8b08f28843/FLAG44b4650ad
[2024-11-23 18:35:39,352 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:35:39,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_52_good.i
[2024-11-23 18:35:39,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/data/e2c89eee6/df273787606f4dce96620f8b08f28843/FLAG44b4650ad
[2024-11-23 18:35:39,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/data/e2c89eee6/df273787606f4dce96620f8b08f28843
[2024-11-23 18:35:39,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:35:39,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:35:39,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:35:39,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:35:39,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:35:39,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:39" (1/1) ...
[2024-11-23 18:35:39,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8c1291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:39, skipping insertion in model container
[2024-11-23 18:35:39,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:39" (1/1) ...
[2024-11-23 18:35:39,477 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:35:40,366 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:35:40,376 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:35:40,504 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:35:40,689 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:35:40,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40 WrapperNode
[2024-11-23 18:35:40,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:35:40,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:35:40,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:35:40,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:35:40,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,736 INFO L138 Inliner]: procedures = 504, calls = 36, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 82
[2024-11-23 18:35:40,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:35:40,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:35:40,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:35:40,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:35:40,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,749 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,768 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-11-23 18:35:40,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,774 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:35:40,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:35:40,785 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:35:40,785 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:35:40,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (1/1) ...
[2024-11-23 18:35:40,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:35:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:35:40,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:35:40,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:35:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-23 18:35:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-23 18:35:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-23 18:35:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-23 18:35:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:35:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:35:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:35:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:35:41,010 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:35:41,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:35:41,190 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live.
[2024-11-23 18:35:41,190 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:35:41,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:35:41,200 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 18:35:41,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:41 BoogieIcfgContainer
[2024-11-23 18:35:41,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:35:41,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:35:41,203 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:35:41,208 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:35:41,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:35:39" (1/3) ...
[2024-11-23 18:35:41,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46633177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:35:41, skipping insertion in model container
[2024-11-23 18:35:41,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:40" (2/3) ...
[2024-11-23 18:35:41,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46633177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:35:41, skipping insertion in model container
[2024-11-23 18:35:41,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:41" (3/3) ...
[2024-11-23 18:35:41,211 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_52_good.i
[2024-11-23 18:35:41,228 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:35:41,230 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_postinc_52_good.i that has 3 procedures, 40 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-11-23 18:35:41,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:35:41,308 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;@178d93d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:35:41,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 18:35:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-23 18:35:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-23 18:35:41,320 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:35:41,321 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:35:41,321 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 18:35:41,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:35:41,329 INFO L85 PathProgramCache]: Analyzing trace with hash 61350067, now seen corresponding path program 1 times
[2024-11-23 18:35:41,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:35:41,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599194889]
[2024-11-23 18:35:41,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:35:41,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:35:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:35:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:35:41,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:35:41,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599194889]
[2024-11-23 18:35:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599194889] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:35:41,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:35:41,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:35:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509095789]
[2024-11-23 18:35:41,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:35:41,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:35:41,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:35:41,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:35:41,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:35:41,723 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 18:35:41,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:35:41,749 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions.
[2024-11-23 18:35:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:35:41,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9
[2024-11-23 18:35:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:35:41,758 INFO L225 Difference]: With dead ends: 40
[2024-11-23 18:35:41,758 INFO L226 Difference]: Without dead ends: 26
[2024-11-23 18:35:41,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:35:41,764 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:35:41,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:35:41,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-23 18:35:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-23 18:35:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-23 18:35:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions.
[2024-11-23 18:35:41,817 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 9
[2024-11-23 18:35:41,818 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:35:41,818 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions.
[2024-11-23 18:35:41,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 18:35:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions.
[2024-11-23 18:35:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-23 18:35:41,820 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:35:41,820 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:35:41,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:35:41,821 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:35:41,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:35:41,822 INFO L85 PathProgramCache]: Analyzing trace with hash -417528504, now seen corresponding path program 1 times
[2024-11-23 18:35:41,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:35:41,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308297351]
[2024-11-23 18:35:41,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:35:41,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:35:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:35:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:35:42,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:35:42,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308297351]
[2024-11-23 18:35:42,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308297351] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:35:42,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:35:42,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:35:42,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521623824]
[2024-11-23 18:35:42,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:35:42,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 18:35:42,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:35:42,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 18:35:42,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:35:42,168 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 18:35:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:35:42,208 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions.
[2024-11-23 18:35:42,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 18:35:42,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2024-11-23 18:35:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:35:42,210 INFO L225 Difference]: With dead ends: 26
[2024-11-23 18:35:42,210 INFO L226 Difference]: Without dead ends: 25
[2024-11-23 18:35:42,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:35:42,212 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:35:42,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 88 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:35:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-23 18:35:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-23 18:35:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-23 18:35:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions.
[2024-11-23 18:35:42,225 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 22
[2024-11-23 18:35:42,225 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:35:42,225 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions.
[2024-11-23 18:35:42,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 18:35:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions.
[2024-11-23 18:35:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-23 18:35:42,226 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:35:42,227 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:35:42,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:35:42,228 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:35:42,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:35:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash -58481665, now seen corresponding path program 1 times
[2024-11-23 18:35:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:35:42,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919884903]
[2024-11-23 18:35:42,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:35:42,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:35:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:35:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:35:42,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:35:42,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919884903]
[2024-11-23 18:35:42,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919884903] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:35:42,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:35:42,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:35:42,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576746255]
[2024-11-23 18:35:42,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:35:42,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:35:42,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:35:42,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:35:42,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:35:42,493 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 18:35:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:35:42,510 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions.
[2024-11-23 18:35:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:35:42,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-11-23 18:35:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:35:42,513 INFO L225 Difference]: With dead ends: 25
[2024-11-23 18:35:42,513 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 18:35:42,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 18:35:42,514 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:35:42,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:35:42,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 18:35:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 18:35:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-11-23 18:35:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 18:35:42,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23
[2024-11-23 18:35:42,519 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:35:42,519 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 18:35:42,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 18:35:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 18:35:42,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 18:35:42,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-23 18:35:42,525 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-23 18:35:42,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-23 18:35:42,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-23 18:35:42,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:35:42,530 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-23 18:35:42,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 18:35:42,560 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:35:42,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:35:42 BoogieIcfgContainer
[2024-11-23 18:35:42,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:35:42,574 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:35:42,578 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:35:42,578 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:35:42,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:41" (3/4) ...
[2024-11-23 18:35:42,581 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 18:35:42,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-23 18:35:42,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-23 18:35:42,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2024-11-23 18:35:42,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-23 18:35:42,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 18:35:42,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 18:35:42,680 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:35:42,681 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:35:42,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:35:42,682 INFO L158 Benchmark]: Toolchain (without parser) took 3263.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.4MB in the beginning and 272.2MB in the end (delta: -181.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB.
[2024-11-23 18:35:42,682 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:35:42,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1270.05ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 81.3MB in the end (delta: 9.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
[2024-11-23 18:35:42,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.10ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:35:42,683 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:35:42,684 INFO L158 Benchmark]: RCFGBuilder took 416.15ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 63.0MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 18:35:42,684 INFO L158 Benchmark]: TraceAbstraction took 1369.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 277.8MB in the end (delta: -215.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB.
[2024-11-23 18:35:42,685 INFO L158 Benchmark]: Witness Printer took 107.02ms. Allocated memory is still 352.3MB. Free memory was 277.8MB in the beginning and 272.2MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:35:42,687 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1270.05ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 81.3MB in the end (delta: 9.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.10ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 46.85ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 416.15ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 63.0MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1369.92ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 277.8MB in the end (delta: -215.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB.
* Witness Printer took 107.02ms. Allocated memory is still 352.3MB. Free memory was 277.8MB in the beginning and 272.2MB in the end (delta: 5.6MB). 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
- PositiveResult [Line: 1600]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1600]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1609]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1609]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 218 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 90 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 18:35:42,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3931ab0-501b-4741-a2e0-f5fa214a9807/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
Result:
TRUE