./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_good.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ad5c494f2d593fe99745ed485e91539b6be6718979acf526dab7fd30555e7880
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:23:45,840 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:23:45,944 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 19:23:45,949 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:23:45,950 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:23:45,982 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:23:45,984 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:23:45,984 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:23:45,985 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:23:45,986 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 19:23:45,988 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:23:45,989 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:23:45,989 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:23:45,990 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 19:23:45,990 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 19:23:45,990 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:23:45,991 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:23:45,991 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 19:23:45,994 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 19:23:45,995 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:23:45,995 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:23:45,996 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:23:45,996 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 19:23:45,996 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 19:23:45,997 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 19:23:45,997 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 19:23:45,997 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 19:23:45,997 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:23:45,998 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 19:23:45,998 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:23:45,998 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 19:23:45,999 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:23:45,999 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:23:45,999 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:23:46,000 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:23:46,000 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 19:23:46,000 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:23:46,000 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:23:46,001 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:23:46,001 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:23:46,001 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:23:46,001 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad5c494f2d593fe99745ed485e91539b6be6718979acf526dab7fd30555e7880
[2024-11-08 19:23:46,350 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:23:46,390 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:23:46,393 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:23:46,394 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 19:23:46,395 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 19:23:46,397 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_good.i
Unable to find full path for "g++"
[2024-11-08 19:23:48,526 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:23:48,989 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 19:23:48,990 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_good.i
[2024-11-08 19:23:49,028 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/data/cf99ef0d8/2c7d794414aa4eccb319536347e2f34d/FLAG7191c9e41
[2024-11-08 19:23:49,049 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/data/cf99ef0d8/2c7d794414aa4eccb319536347e2f34d
[2024-11-08 19:23:49,052 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:23:49,055 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:23:49,058 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:23:49,059 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:23:49,066 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:23:49,067 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:23:49" (1/1) ...
[2024-11-08 19:23:49,070 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5060456c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:49, skipping insertion in model container
[2024-11-08 19:23:49,071 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:23:49" (1/1) ...
[2024-11-08 19:23:49,162 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:23:50,335 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:23:50,352 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 19:23:50,457 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:23:50,663 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 19:23:50,663 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50 WrapperNode
[2024-11-08 19:23:50,664 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:23:50,665 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:23:50,665 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:23:50,665 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:23:50,674 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,698 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,722 INFO  L138                Inliner]: procedures = 502, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80
[2024-11-08 19:23:50,723 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:23:50,724 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:23:50,724 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:23:50,724 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:23:50,736 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,736 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,739 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,759 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].
[2024-11-08 19:23:50,759 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,760 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,765 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,767 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,769 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,770 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,773 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:23:50,774 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:23:50,774 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:23:50,774 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:23:50,775 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (1/1) ...
[2024-11-08 19:23:50,782 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:23:50,795 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:23:50,819 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:23:50,828 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:23:50,857 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-08 19:23:50,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-08 19:23:50,858 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 19:23:50,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 19:23:50,858 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:23:50,859 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:23:50,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:23:50,859 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:23:51,068 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 19:23:51,071 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:23:51,286 INFO  L?                        ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-08 19:23:51,287 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 19:23:51,303 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:23:51,303 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 19:23:51,304 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:23:51 BoogieIcfgContainer
[2024-11-08 19:23:51,304 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:23:51,307 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:23:51,307 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:23:51,311 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:23:51,312 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:23:49" (1/3) ...
[2024-11-08 19:23:51,313 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6971fd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:23:51, skipping insertion in model container
[2024-11-08 19:23:51,313 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:23:50" (2/3) ...
[2024-11-08 19:23:51,313 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6971fd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:23:51, skipping insertion in model container
[2024-11-08 19:23:51,314 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:23:51" (3/3) ...
[2024-11-08 19:23:51,315 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_51_good.i
[2024-11-08 19:23:51,336 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:23:51,336 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-08 19:23:51,401 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:23:51,409 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;@61119b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:23:51,410 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-08 19:23:51,415 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 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)
[2024-11-08 19:23:51,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 19:23:51,425 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 19:23:51,425 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:23:51,426 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)] ===
[2024-11-08 19:23:51,433 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:23:51,434 INFO  L85        PathProgramCache]: Analyzing trace with hash -1713659217, now seen corresponding path program 1 times
[2024-11-08 19:23:51,445 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:23:51,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665842824]
[2024-11-08 19:23:51,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:23:51,447 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:23:51,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:51,834 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:23:51,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:51,850 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:23:51,851 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:23:51,851 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665842824]
[2024-11-08 19:23:51,852 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665842824] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:23:51,852 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:23:51,853 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:23:51,855 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925480096]
[2024-11-08 19:23:51,856 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:23:51,861 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:23:51,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:23:51,889 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:23:51,890 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:23:51,892 INFO  L87              Difference]: Start difference. First operand  has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 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)
[2024-11-08 19:23:51,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:23:51,926 INFO  L93              Difference]: Finished difference Result 40 states and 46 transitions.
[2024-11-08 19:23:51,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 19:23:51,929 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
[2024-11-08 19:23:51,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:23:51,937 INFO  L225             Difference]: With dead ends: 40
[2024-11-08 19:23:51,937 INFO  L226             Difference]: Without dead ends: 26
[2024-11-08 19:23:51,940 INFO  L431           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
[2024-11-08 19:23:51,945 INFO  L432           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
[2024-11-08 19:23:51,946 INFO  L433           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]
[2024-11-08 19:23:51,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 19:23:51,987 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-08 19:23:51,988 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 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)
[2024-11-08 19:23:51,989 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions.
[2024-11-08 19:23:51,991 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 9
[2024-11-08 19:23:51,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:23:51,993 INFO  L471      AbstractCegarLoop]: Abstraction has 26 states and 28 transitions.
[2024-11-08 19:23:51,994 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)
[2024-11-08 19:23:51,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions.
[2024-11-08 19:23:51,995 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-08 19:23:51,996 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 19:23:51,996 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:23:51,996 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:23:51,997 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)] ===
[2024-11-08 19:23:51,997 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:23:51,998 INFO  L85        PathProgramCache]: Analyzing trace with hash -538576133, now seen corresponding path program 1 times
[2024-11-08 19:23:51,998 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:23:51,998 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90340907]
[2024-11-08 19:23:51,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:23:51,999 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:23:52,045 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:52,230 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:23:52,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:52,240 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 19:23:52,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:52,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:23:52,252 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:23:52,252 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90340907]
[2024-11-08 19:23:52,252 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90340907] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:23:52,252 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:23:52,252 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:23:52,253 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651121252]
[2024-11-08 19:23:52,253 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:23:52,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:23:52,254 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:23:52,255 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:23:52,256 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:23:52,256 INFO  L87              Difference]: Start difference. First operand 26 states and 28 transitions. Second operand  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-11-08 19:23:52,315 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:23:52,315 INFO  L93              Difference]: Finished difference Result 26 states and 28 transitions.
[2024-11-08 19:23:52,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 19:23:52,317 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 21
[2024-11-08 19:23:52,317 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:23:52,318 INFO  L225             Difference]: With dead ends: 26
[2024-11-08 19:23:52,318 INFO  L226             Difference]: Without dead ends: 25
[2024-11-08 19:23:52,318 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:23:52,325 INFO  L432           NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:23:52,325 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:23:52,328 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-08 19:23:52,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-08 19:23:52,356 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 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)
[2024-11-08 19:23:52,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions.
[2024-11-08 19:23:52,357 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21
[2024-11-08 19:23:52,357 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:23:52,358 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 27 transitions.
[2024-11-08 19:23:52,358 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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)
[2024-11-08 19:23:52,358 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions.
[2024-11-08 19:23:52,365 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-08 19:23:52,365 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 19:23:52,366 INFO  L215           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]
[2024-11-08 19:23:52,366 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:23:52,366 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)] ===
[2024-11-08 19:23:52,367 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:23:52,367 INFO  L85        PathProgramCache]: Analyzing trace with hash 484009131, now seen corresponding path program 1 times
[2024-11-08 19:23:52,367 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:23:52,367 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540350396]
[2024-11-08 19:23:52,368 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:23:52,368 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:23:52,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:52,454 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:23:52,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:52,461 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 19:23:52,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:23:52,468 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:23:52,468 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:23:52,468 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540350396]
[2024-11-08 19:23:52,469 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540350396] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:23:52,469 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:23:52,469 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:23:52,470 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657490574]
[2024-11-08 19:23:52,470 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:23:52,470 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:23:52,471 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:23:52,472 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:23:52,472 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:23:52,472 INFO  L87              Difference]: Start difference. First operand 25 states and 27 transitions. Second operand  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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)
[2024-11-08 19:23:52,480 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:23:52,481 INFO  L93              Difference]: Finished difference Result 25 states and 27 transitions.
[2024-11-08 19:23:52,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 19:23:52,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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
[2024-11-08 19:23:52,482 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:23:52,482 INFO  L225             Difference]: With dead ends: 25
[2024-11-08 19:23:52,483 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 19:23:52,483 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:23:52,485 INFO  L432           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
[2024-11-08 19:23:52,485 INFO  L433           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]
[2024-11-08 19:23:52,486 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 19:23:52,487 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 19:23:52,487 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)
[2024-11-08 19:23:52,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 19:23:52,488 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2024-11-08 19:23:52,488 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:23:52,488 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 19:23:52,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 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)
[2024-11-08 19:23:52,489 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 19:23:52,489 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 19:23:52,492 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-08 19:23:52,493 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-08 19:23:52,493 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-08 19:23:52,493 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-08 19:23:52,494 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 19:23:52,498 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-08 19:23:52,501 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 19:23:52,529 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:23:52,548 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-08 19:23:52,550 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-08 19:23:52,550 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-08 19:23:52,551 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
[2024-11-08 19:23:52,551 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
[2024-11-08 19:23:52,552 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
[2024-11-08 19:23:52,552 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
[2024-11-08 19:23:52,552 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
[2024-11-08 19:23:52,553 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
[2024-11-08 19:23:52,553 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
[2024-11-08 19:23:52,553 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
[2024-11-08 19:23:52,553 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
[2024-11-08 19:23:52,553 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
[2024-11-08 19:23:52,554 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
[2024-11-08 19:23:52,554 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
[2024-11-08 19:23:52,554 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
[2024-11-08 19:23:52,554 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
[2024-11-08 19:23:52,555 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
[2024-11-08 19:23:52,555 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
[2024-11-08 19:23:52,556 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
[2024-11-08 19:23:52,556 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
[2024-11-08 19:23:52,556 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
[2024-11-08 19:23:52,556 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
[2024-11-08 19:23:52,557 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
[2024-11-08 19:23:52,557 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
[2024-11-08 19:23:52,557 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
[2024-11-08 19:23:52,557 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
[2024-11-08 19:23:52,558 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
[2024-11-08 19:23:52,558 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
[2024-11-08 19:23:52,558 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
[2024-11-08 19:23:52,558 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
[2024-11-08 19:23:52,558 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
[2024-11-08 19:23:52,559 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
[2024-11-08 19:23:52,559 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
[2024-11-08 19:23:52,559 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
[2024-11-08 19:23:52,559 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
[2024-11-08 19:23:52,560 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
[2024-11-08 19:23:52,560 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
[2024-11-08 19:23:52,560 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
[2024-11-08 19:23:52,564 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-08 19:23:52,565 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-08 19:23:52,565 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-08 19:23:52,565 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
[2024-11-08 19:23:52,568 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
[2024-11-08 19:23:52,568 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
[2024-11-08 19:23:52,568 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
[2024-11-08 19:23:52,568 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
[2024-11-08 19:23:52,569 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
[2024-11-08 19:23:52,569 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
[2024-11-08 19:23:52,569 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
[2024-11-08 19:23:52,569 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
[2024-11-08 19:23:52,569 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
[2024-11-08 19:23:52,570 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
[2024-11-08 19:23:52,570 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
[2024-11-08 19:23:52,570 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
[2024-11-08 19:23:52,570 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
[2024-11-08 19:23:52,570 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
[2024-11-08 19:23:52,571 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
[2024-11-08 19:23:52,571 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
[2024-11-08 19:23:52,571 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
[2024-11-08 19:23:52,571 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
[2024-11-08 19:23:52,571 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
[2024-11-08 19:23:52,574 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
[2024-11-08 19:23:52,574 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
[2024-11-08 19:23:52,574 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
[2024-11-08 19:23:52,575 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
[2024-11-08 19:23:52,575 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
[2024-11-08 19:23:52,575 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
[2024-11-08 19:23:52,575 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
[2024-11-08 19:23:52,575 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
[2024-11-08 19:23:52,575 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
[2024-11-08 19:23:52,576 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
[2024-11-08 19:23:52,576 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
[2024-11-08 19:23:52,576 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
[2024-11-08 19:23:52,576 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
[2024-11-08 19:23:52,577 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
[2024-11-08 19:23:52,577 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
[2024-11-08 19:23:52,577 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
[2024-11-08 19:23:52,579 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:23:52 BoogieIcfgContainer
[2024-11-08 19:23:52,579 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:23:52,580 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:23:52,580 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:23:52,580 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 19:23:52,581 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:23:51" (3/4) ...
[2024-11-08 19:23:52,585 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 19:23:52,589 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-08 19:23:52,590 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-08 19:23:52,597 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-11-08 19:23:52,597 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-08 19:23:52,597 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 19:23:52,597 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 19:23:52,733 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:23:52,734 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 19:23:52,734 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:23:52,743 INFO  L158              Benchmark]: Toolchain (without parser) took 3679.82ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 104.4MB in the beginning and 133.9MB in the end (delta: -29.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB.
[2024-11-08 19:23:52,743 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:23:52,744 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1606.45ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 103.8MB in the beginning and 154.2MB in the end (delta: -50.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB.
[2024-11-08 19:23:52,745 INFO  L158              Benchmark]: Boogie Procedure Inliner took 58.32ms. Allocated memory is still 199.2MB. Free memory was 154.2MB in the beginning and 151.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 19:23:52,745 INFO  L158              Benchmark]: Boogie Preprocessor took 49.42ms. Allocated memory is still 199.2MB. Free memory was 151.1MB in the beginning and 148.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:23:52,753 INFO  L158              Benchmark]: RCFGBuilder took 529.92ms. Allocated memory is still 199.2MB. Free memory was 148.9MB in the beginning and 134.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 19:23:52,753 INFO  L158              Benchmark]: TraceAbstraction took 1272.47ms. Allocated memory is still 199.2MB. Free memory was 133.3MB in the beginning and 140.2MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:23:52,754 INFO  L158              Benchmark]: Witness Printer took 154.08ms. Allocated memory is still 199.2MB. Free memory was 139.1MB in the beginning and 133.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 19:23:52,756 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1606.45ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 103.8MB in the beginning and 154.2MB in the end (delta: -50.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 58.32ms. Allocated memory is still 199.2MB. Free memory was 154.2MB in the beginning and 151.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 49.42ms. Allocated memory is still 199.2MB. Free memory was 151.1MB in the beginning and 148.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 529.92ms. Allocated memory is still 199.2MB. Free memory was 148.9MB in the beginning and 134.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1272.47ms. Allocated memory is still 199.2MB. Free memory was 133.3MB in the beginning and 140.2MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 154.08ms. Allocated memory is still 199.2MB. Free memory was 139.1MB in the beginning and 133.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
 * 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: 1590]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1590]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1598]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1598]: 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 90 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 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
  - AllSpecificationsHoldResult: All specifications hold
    4 specifications checked. All of them hold
  - ProcedureContractResult [Line: 1412]: Procedure Contract for printLine
    Derived contract for procedure printLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv)))
  - ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine
    Derived contract for procedure printIntLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 19:23:52,812 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1961a4a-2821-4053-ace8-0755302bc6fc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE