./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 2329fc70
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_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3ed36aa6701f38e4437e494734e2c4cd3d174950cdc9cef44311577dda2ee95
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 11:59:29,071 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-12-13 11:59:29,073 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 11:59:29,097 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 11:59:29,097 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 11:59:29,099 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 11:59:29,101 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 11:59:29,103 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 11:59:29,106 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 11:59:29,107 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 11:59:29,108 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 11:59:29,110 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 11:59:29,111 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 11:59:29,112 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 11:59:29,114 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 11:59:29,115 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 11:59:29,116 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 11:59:29,118 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 11:59:29,120 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 11:59:29,123 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 11:59:29,125 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 11:59:29,127 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 11:59:29,128 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 11:59:29,129 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 11:59:29,137 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 11:59:29,137 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 11:59:29,137 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 11:59:29,138 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 11:59:29,138 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 11:59:29,139 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 11:59:29,139 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 11:59:29,139 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 11:59:29,140 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 11:59:29,140 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 11:59:29,141 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 11:59:29,141 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 11:59:29,142 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 11:59:29,142 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 11:59:29,142 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 11:59:29,142 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 11:59:29,143 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 11:59:29,143 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-12-13 11:59:29,157 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-12-13 11:59:29,157 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 11:59:29,158 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 11:59:29,158 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 11:59:29,158 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 11:59:29,158 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 11:59:29,159 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 11:59:29,159 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-12-13 11:59:29,166 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-12-13 11:59:29,166 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 11:59:29,167 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-12-13 11:59:29,168 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-12-13 11:59:29,168 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-12-13 11:59:29,168 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-12-13 11:59:29,168 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 11:59:29,168 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-12-13 11:59:29,168 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-12-13 11:59:29,168 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 11:59:29,169 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 11:59:29,169 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 11:59:29,169 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 11:59:29,169 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-12-13 11:59:29,169 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 11:59:29,169 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 11:59:29,169 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 11:59:29,170 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 11:59:29,170 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 11:59:29,170 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 11:59:29,170 INFO  L138        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_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/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_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8
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 ! call(reach_error())) )


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 -> d3ed36aa6701f38e4437e494734e2c4cd3d174950cdc9cef44311577dda2ee95
[2022-12-13 11:59:29,326 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 11:59:29,343 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 11:59:29,345 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 11:59:29,346 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-12-13 11:59:29,346 INFO  L275        PluginConnector]: CDTParser initialized
[2022-12-13 11:59:29,347 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c
[2022-12-13 11:59:32,046 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-12-13 11:59:32,192 INFO  L351              CDTParser]: Found 1 translation units.
[2022-12-13 11:59:32,192 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c
[2022-12-13 11:59:32,197 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/data/724360a5f/e2d01ce6d00b4c0d9da47cc9c552a95c/FLAG93cbbcf20
[2022-12-13 11:59:32,207 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/data/724360a5f/e2d01ce6d00b4c0d9da47cc9c552a95c
[2022-12-13 11:59:32,209 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 11:59:32,210 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 11:59:32,211 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 11:59:32,211 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 11:59:32,214 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 11:59:32,215 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,215 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4453062c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32, skipping insertion in model container
[2022-12-13 11:59:32,215 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,221 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-12-13 11:59:32,231 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-12-13 11:59:32,331 WARN  L237   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_7b66a1c2-a166-4759-84b2-1f015f45efb9/sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c[386,399]
[2022-12-13 11:59:32,343 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 11:59:32,350 INFO  L203         MainTranslator]: Completed pre-run
[2022-12-13 11:59:32,358 WARN  L237   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_7b66a1c2-a166-4759-84b2-1f015f45efb9/sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c[386,399]
[2022-12-13 11:59:32,362 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 11:59:32,372 INFO  L208         MainTranslator]: Completed translation
[2022-12-13 11:59:32,372 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32 WrapperNode
[2022-12-13 11:59:32,372 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 11:59:32,373 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 11:59:32,373 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 11:59:32,373 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 11:59:32,379 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,384 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,396 INFO  L138                Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59
[2022-12-13 11:59:32,396 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 11:59:32,397 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 11:59:32,397 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 11:59:32,397 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 11:59:32,403 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,403 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,404 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,404 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,407 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,410 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,410 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,411 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,412 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 11:59:32,413 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 11:59:32,413 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 11:59:32,413 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-12-13 11:59:32,413 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (1/1) ...
[2022-12-13 11:59:32,418 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 11:59:32,426 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 11:59:32,436 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 11:59:32,438 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 11:59:32,469 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 11:59:32,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 11:59:32,469 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 11:59:32,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 11:59:32,470 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 11:59:32,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 11:59:32,470 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 11:59:32,470 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 11:59:32,524 INFO  L235             CfgBuilder]: Building ICFG
[2022-12-13 11:59:32,526 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 11:59:32,616 INFO  L276             CfgBuilder]: Performing block encoding
[2022-12-13 11:59:32,621 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 11:59:32,621 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2022-12-13 11:59:32,622 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:59:32 BoogieIcfgContainer
[2022-12-13 11:59:32,623 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 11:59:32,625 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 11:59:32,625 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 11:59:32,627 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-12-13 11:59:32,628 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:59:32" (1/3) ...
[2022-12-13 11:59:32,628 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cffbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:59:32, skipping insertion in model container
[2022-12-13 11:59:32,628 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:59:32" (2/3) ...
[2022-12-13 11:59:32,629 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cffbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:59:32, skipping insertion in model container
[2022-12-13 11:59:32,629 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:59:32" (3/3) ...
[2022-12-13 11:59:32,630 INFO  L112   eAbstractionObserver]: Analyzing ICFG veris.c_sendmail_tTflag_arr_one_loop.c
[2022-12-13 11:59:32,644 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 11:59:32,644 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-12-13 11:59:32,679 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 11:59:32,684 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@50f98be5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 11:59:32,684 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-12-13 11:59:32,688 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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)
[2022-12-13 11:59:32,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-12-13 11:59:32,692 INFO  L187           NwaCegarLoop]: Found error trace
[2022-12-13 11:59:32,693 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 11:59:32,693 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 11:59:32,697 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 11:59:32,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 212076531, now seen corresponding path program 1 times
[2022-12-13 11:59:32,704 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 11:59:32,704 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396292285]
[2022-12-13 11:59:32,705 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 11:59:32,705 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 11:59:32,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 11:59:32,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 11:59:32,863 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 11:59:32,863 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396292285]
[2022-12-13 11:59:32,864 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396292285] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 11:59:32,864 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 11:59:32,864 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-12-13 11:59:32,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505239954]
[2022-12-13 11:59:32,866 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 11:59:32,869 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 11:59:32,869 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 11:59:32,891 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 11:59:32,892 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 11:59:32,893 INFO  L87              Difference]: Start difference. First operand  has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2022-12-13 11:59:32,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 11:59:32,907 INFO  L93              Difference]: Finished difference Result 22 states and 28 transitions.
[2022-12-13 11:59:32,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-13 11:59:32,909 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2022-12-13 11:59:32,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 11:59:32,914 INFO  L225             Difference]: With dead ends: 22
[2022-12-13 11:59:32,914 INFO  L226             Difference]: Without dead ends: 0
[2022-12-13 11:59:32,916 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 11:59:32,919 INFO  L413           NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-12-13 11:59:32,920 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 11:59:32,933 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-12-13 11:59:32,937 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-12-13 11:59:32,938 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)
[2022-12-13 11:59:32,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-12-13 11:59:32,939 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2022-12-13 11:59:32,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-12-13 11:59:32,939 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-12-13 11:59:32,940 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2022-12-13 11:59:32,940 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-12-13 11:59:32,940 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-12-13 11:59:32,942 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-12-13 11:59:32,943 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 11:59:32,944 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-12-13 11:59:32,955 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-12-13 11:59:32,955 INFO  L902   garLoopResultBuilder]: At program point L29-2(lines 29 35) the Hoare annotation is: true
[2022-12-13 11:59:32,955 INFO  L899   garLoopResultBuilder]: For program point L29-3(lines 29 35) no Hoare annotation was computed.
[2022-12-13 11:59:32,955 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2022-12-13 11:59:32,955 INFO  L895   garLoopResultBuilder]: At program point main_returnLabel#1(lines 12 39) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1)
[2022-12-13 11:59:32,956 INFO  L899   garLoopResultBuilder]: For program point L7(lines 7 9) no Hoare annotation was computed.
[2022-12-13 11:59:32,956 INFO  L895   garLoopResultBuilder]: At program point L7-2(lines 6 11) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1)
[2022-12-13 11:59:32,956 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-12-13 11:59:32,956 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-12-13 11:59:32,956 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2022-12-13 11:59:32,956 INFO  L899   garLoopResultBuilder]: For program point L20-2(lines 20 22) no Hoare annotation was computed.
[2022-12-13 11:59:32,957 INFO  L902   garLoopResultBuilder]: At program point L20-3(lines 20 22) the Hoare annotation is: true
[2022-12-13 11:59:32,957 INFO  L899   garLoopResultBuilder]: For program point L20-4(lines 20 22) no Hoare annotation was computed.
[2022-12-13 11:59:32,957 INFO  L899   garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed.
[2022-12-13 11:59:32,959 INFO  L445         BasicCegarLoop]: Path program histogram: [1]
[2022-12-13 11:59:32,961 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 11:59:32,972 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:59:32 BoogieIcfgContainer
[2022-12-13 11:59:32,972 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 11:59:32,973 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 11:59:32,973 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-12-13 11:59:32,974 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-12-13 11:59:32,974 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:59:32" (3/4) ...
[2022-12-13 11:59:32,976 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-12-13 11:59:32,985 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-12-13 11:59:32,985 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-12-13 11:59:32,985 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-12-13 11:59:32,986 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-12-13 11:59:33,024 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/witness.graphml
[2022-12-13 11:59:33,024 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 11:59:33,025 INFO  L158              Benchmark]: Toolchain (without parser) took 814.24ms. Allocated memory is still 136.3MB. Free memory was 95.5MB in the beginning and 106.5MB in the end (delta: -11.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB.
[2022-12-13 11:59:33,025 INFO  L158              Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 11:59:33,026 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 161.53ms. Allocated memory is still 136.3MB. Free memory was 95.1MB in the beginning and 84.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 11:59:33,026 INFO  L158              Benchmark]: Boogie Procedure Inliner took 22.96ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 83.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 11:59:33,027 INFO  L158              Benchmark]: Boogie Preprocessor took 15.64ms. Allocated memory is still 136.3MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 11:59:33,027 INFO  L158              Benchmark]: RCFGBuilder took 210.10ms. Allocated memory is still 136.3MB. Free memory was 82.1MB in the beginning and 71.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-12-13 11:59:33,028 INFO  L158              Benchmark]: TraceAbstraction took 347.86ms. Allocated memory is still 136.3MB. Free memory was 70.9MB in the beginning and 46.9MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2022-12-13 11:59:33,028 INFO  L158              Benchmark]: Witness Printer took 50.75ms. Allocated memory is still 136.3MB. Free memory was 46.9MB in the beginning and 106.5MB in the end (delta: -59.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
[2022-12-13 11:59:33,031 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 161.53ms. Allocated memory is still 136.3MB. Free memory was 95.1MB in the beginning and 84.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 22.96ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 83.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 15.64ms. Allocated memory is still 136.3MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 210.10ms. Allocated memory is still 136.3MB. Free memory was 82.1MB in the beginning and 71.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 347.86ms. Allocated memory is still 136.3MB. Free memory was 70.9MB in the beginning and 46.9MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * Witness Printer took 50.75ms. Allocated memory is still 136.3MB. Free memory was 46.9MB in the beginning and 106.5MB in the end (delta: -59.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 8]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 8 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 12]: Loop Invariant
    Derived loop invariant: cond == 1
  - InvariantResult [Line: 6]: Loop Invariant
    Derived loop invariant: cond == 1
  - InvariantResult [Line: 20]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 29]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-12-13 11:59:33,055 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b66a1c2-a166-4759-84b2-1f015f45efb9/bin/uautomizer-uyxdKDjOR8/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