./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:30:59,892 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:30:59,895 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:30:59,925 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:30:59,926 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:30:59,928 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:30:59,929 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:30:59,932 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:30:59,934 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:30:59,936 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:30:59,937 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:30:59,938 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:30:59,939 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:30:59,940 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:30:59,942 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:30:59,944 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:30:59,945 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:30:59,947 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:30:59,949 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:30:59,951 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:30:59,953 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:30:59,955 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:30:59,957 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:30:59,958 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:30:59,962 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:30:59,962 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:30:59,963 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:30:59,964 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:30:59,965 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:30:59,966 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:30:59,967 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:30:59,968 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:30:59,969 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:30:59,970 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:30:59,971 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:30:59,972 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:30:59,973 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:30:59,973 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:30:59,974 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:30:59,975 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:30:59,976 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:30:59,983 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-11-13 17:31:00,014 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 17:31:00,015 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:31:00,015 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:31:00,015 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:31:00,016 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:31:00,016 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:31:00,017 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:31:00,018 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 17:31:00,018 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 17:31:00,018 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:31:00,018 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-13 17:31:00,019 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 17:31:00,019 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 17:31:00,019 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-13 17:31:00,019 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 17:31:00,020 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:31:00,020 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:31:00,020 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:31:00,020 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-11-13 17:31:00,020 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-13 17:31:00,021 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 17:31:00,021 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 17:31:00,021 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:31:00,021 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:31:00,022 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 17:31:00,022 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 17:31:00,022 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:00,022 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:31:00,023 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:31:00,023 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:31:00,023 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 17:31:00,023 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:31:00,023 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:31:00,024 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 17:31:00,024 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/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_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d
[2021-11-13 17:31:00,300 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:31:00,328 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:31:00,332 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:31:00,334 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 17:31:00,335 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 17:31:00,338 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/recursive-simple/id_o20.c
[2021-11-13 17:31:00,436 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/data/e7655fc95/42bc22500d3e43219c39b3bf31a8590c/FLAG08ee043b2
[2021-11-13 17:31:00,932 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 17:31:00,935 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/sv-benchmarks/c/recursive-simple/id_o20.c
[2021-11-13 17:31:00,946 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/data/e7655fc95/42bc22500d3e43219c39b3bf31a8590c/FLAG08ee043b2
[2021-11-13 17:31:01,293 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/data/e7655fc95/42bc22500d3e43219c39b3bf31a8590c
[2021-11-13 17:31:01,296 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:31:01,298 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:31:01,299 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:01,300 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:31:01,303 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:31:01,304 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,305 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86beeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01, skipping insertion in model container
[2021-11-13 17:31:01,306 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,313 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 17:31:01,325 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:31:01,467 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/sv-benchmarks/c/recursive-simple/id_o20.c[516,529]
[2021-11-13 17:31:01,468 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:01,480 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 17:31:01,508 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/sv-benchmarks/c/recursive-simple/id_o20.c[516,529]
[2021-11-13 17:31:01,510 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:01,524 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 17:31:01,524 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01 WrapperNode
[2021-11-13 17:31:01,525 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:01,526 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:01,526 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:31:01,527 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:31:01,533 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,539 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,556 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:01,557 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:31:01,557 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:31:01,557 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:31:01,565 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,565 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,567 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,567 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,570 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,571 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,572 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,574 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:31:01,574 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:31:01,575 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:31:01,575 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:31:01,577 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ...
[2021-11-13 17:31:01,584 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:01,593 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:31:01,607 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:01,609 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:31:01,644 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:31:01,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:31:01,645 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:31:01,645 INFO  L130     BoogieDeclarations]: Found specification of procedure id
[2021-11-13 17:31:01,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure id
[2021-11-13 17:31:01,645 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:31:01,815 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:31:01,816 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 17:31:01,817 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01 BoogieIcfgContainer
[2021-11-13 17:31:01,818 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:31:01,819 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:31:01,820 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:31:01,823 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:31:01,824 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:01" (1/3) ...
[2021-11-13 17:31:01,825 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0d440f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:01, skipping insertion in model container
[2021-11-13 17:31:01,825 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (2/3) ...
[2021-11-13 17:31:01,826 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0d440f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:01, skipping insertion in model container
[2021-11-13 17:31:01,826 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01" (3/3) ...
[2021-11-13 17:31:01,827 INFO  L111   eAbstractionObserver]: Analyzing ICFG id_o20.c
[2021-11-13 17:31:01,833 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:31:01,833 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2021-11-13 17:31:01,835 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0d440f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:31:01, skipping insertion in model container
[2021-11-13 17:31:01,835 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:31:01,836 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:31:01,836 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:31:01,837 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 17:31:01,837 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01" (3/3) ...
[2021-11-13 17:31:01,841 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-11-13 17:31:01,847 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure id
[2021-11-13 17:31:01,851 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 17:31:01,851 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 17:31:01,852 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 17:31:01,852 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 17:31:01,887 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:31:01,887 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:31:01,889 INFO  L158              Benchmark]: Toolchain (without parser) took 590.31ms. Allocated memory is still 115.3MB. Free memory was 74.1MB in the beginning and 75.8MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:01,889 INFO  L158              Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:01,890 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 225.84ms. Allocated memory is still 115.3MB. Free memory was 73.9MB in the beginning and 91.1MB in the end (delta: -17.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 17:31:01,891 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.74ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:01,891 INFO  L158              Benchmark]: Boogie Preprocessor took 17.13ms. Allocated memory is still 115.3MB. Free memory was 89.7MB in the beginning and 88.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:01,892 INFO  L158              Benchmark]: RCFGBuilder took 243.25ms. Allocated memory is still 115.3MB. Free memory was 88.7MB in the beginning and 79.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:31:01,893 INFO  L158              Benchmark]: TraceAbstraction took 15.95ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 996.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:01,894 INFO  L158              Benchmark]: Witness Printer took 50.98ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:01,898 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 225.84ms. Allocated memory is still 115.3MB. Free memory was 73.9MB in the beginning and 91.1MB in the end (delta: -17.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 29.74ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 17.13ms. Allocated memory is still 115.3MB. Free memory was 89.7MB in the beginning and 88.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 243.25ms. Allocated memory is still 115.3MB. Free memory was 88.7MB in the beginning and 79.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 15.95ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 996.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Witness Printer took 50.98ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - AllSpecificationsHoldResult: All specifications hold
    We were not able to verify any specifiation because the program does not contain any specification.
RESULT: Ultimate proved your program to be correct!
[2021-11-13 17:31:01,945 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be72b093-c48a-462f-bc42-6e87fcf3208f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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