./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_cut_trace.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_cut_trace.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC --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 3feb469d07acd39974a1fc4df1508d8628022f63
..................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:25:45,956 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:25:45,959 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:25:45,999 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:25:45,999 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:25:46,001 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:25:46,004 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:25:46,010 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:25:46,012 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:25:46,018 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:25:46,020 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:25:46,021 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:25:46,023 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:25:46,027 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:25:46,029 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:25:46,031 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:25:46,032 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:25:46,040 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:25:46,042 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:25:46,044 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:25:46,049 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:25:46,051 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:25:46,052 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:25:46,055 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:25:46,058 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:25:46,062 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:25:46,064 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:25:46,066 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:25:46,068 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:25:46,070 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:25:46,072 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:25:46,073 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:25:46,074 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:25:46,076 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:25:46,078 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:25:46,078 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:25:46,079 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:25:46,080 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:25:46,080 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:25:46,081 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:25:46,082 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:25:46,082 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:25:46,122 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:25:46,123 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:25:46,125 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:25:46,125 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:25:46,125 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:25:46,126 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:25:46,126 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:25:46,126 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:25:46,126 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:25:46,127 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:25:46,133 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:25:46,134 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:25:46,134 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:25:46,134 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:25:46,135 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:25:46,135 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:25:46,135 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:25:46,135 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:25:46,135 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:25:46,136 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:25:46,136 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:25:46,136 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:25:46,136 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:25:46,137 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:25:46,137 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:25:46,137 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:25:46,137 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:25:46,138 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:25:46,138 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_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/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_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC
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 -> 3feb469d07acd39974a1fc4df1508d8628022f63
[2021-10-11 00:25:46,417 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:25:46,449 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:25:46,455 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:25:46,457 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:25:46,457 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:25:46,458 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-regression/test_cut_trace.i
[2021-10-11 00:25:46,551 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/data/8a78498b1/31f438730cd04bffacd9a17b2199a1de/FLAG312bafc9f
[2021-10-11 00:25:46,978 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:25:46,978 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/sv-benchmarks/c/ldv-regression/test_cut_trace.i
[2021-10-11 00:25:46,984 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/data/8a78498b1/31f438730cd04bffacd9a17b2199a1de/FLAG312bafc9f
[2021-10-11 00:25:47,373 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/data/8a78498b1/31f438730cd04bffacd9a17b2199a1de
[2021-10-11 00:25:47,376 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:25:47,378 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:25:47,380 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:47,380 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:25:47,390 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:25:47,391 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,394 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233a2760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47, skipping insertion in model container
[2021-10-11 00:25:47,394 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,402 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:25:47,421 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:25:47,550 WARN  L226   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_162afc11-8237-4057-a823-1f3742171155/sv-benchmarks/c/ldv-regression/test_cut_trace.i[296,309]
[2021-10-11 00:25:47,570 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:47,596 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:25:47,617 WARN  L226   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_162afc11-8237-4057-a823-1f3742171155/sv-benchmarks/c/ldv-regression/test_cut_trace.i[296,309]
[2021-10-11 00:25:47,619 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:47,631 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:25:47,631 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47 WrapperNode
[2021-10-11 00:25:47,632 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:47,633 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:25:47,633 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:25:47,633 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:25:47,642 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,648 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,664 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:25:47,665 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:25:47,665 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:25:47,666 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:25:47,674 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,674 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,675 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,676 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,678 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,680 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,681 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
[2021-10-11 00:25:47,683 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:25:47,684 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:25:47,684 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:25:47,684 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:25:47,685 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:25:47,753 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:25:47,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:25:47,754 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:25:47,754 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:25:47,946 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:25:47,947 INFO  L299             CfgBuilder]: Removed 8 assume(true) statements.
[2021-10-11 00:25:47,948 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:47 BoogieIcfgContainer
[2021-10-11 00:25:47,948 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:25:47,950 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:25:47,950 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:25:47,954 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:25:47,955 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:47" (1/3) ...
[2021-10-11 00:25:47,956 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f154d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:47, skipping insertion in model container
[2021-10-11 00:25:47,956 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:47" (2/3) ...
[2021-10-11 00:25:47,956 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f154d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:47, skipping insertion in model container
[2021-10-11 00:25:47,957 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:47" (3/3) ...
[2021-10-11 00:25:47,958 INFO  L111   eAbstractionObserver]: Analyzing ICFG test_cut_trace.i
[2021-10-11 00:25:47,973 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:25:47,976 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-10-11 00:25:47,988 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-10-11 00:25:48,012 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:25:48,012 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:25:48,012 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:25:48,013 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:25:48,013 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:25:48,013 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:25:48,013 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:25:48,014 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:25:48,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states.
[2021-10-11 00:25:48,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-11 00:25:48,031 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:25:48,032 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-10-11 00:25:48,032 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:48,037 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:48,038 INFO  L82        PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times
[2021-10-11 00:25:48,047 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:48,047 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574003758]
[2021-10-11 00:25:48,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:48,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:48,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:48,189 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574003758]
[2021-10-11 00:25:48,190 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:48,191 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:25:48,192 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291017560]
[2021-10-11 00:25:48,196 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:25:48,196 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:48,209 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:25:48,210 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:25:48,212 INFO  L87              Difference]: Start difference. First operand 13 states. Second operand 3 states.
[2021-10-11 00:25:48,231 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:48,232 INFO  L93              Difference]: Finished difference Result 21 states and 22 transitions.
[2021-10-11 00:25:48,232 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:25:48,234 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 4
[2021-10-11 00:25:48,234 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:48,242 INFO  L225             Difference]: With dead ends: 21
[2021-10-11 00:25:48,242 INFO  L226             Difference]: Without dead ends: 7
[2021-10-11 00:25:48,245 INFO  L677         BasicCegarLoop]: 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
[2021-10-11 00:25:48,262 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7 states.
[2021-10-11 00:25:48,271 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2021-10-11 00:25:48,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-10-11 00:25:48,273 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions.
[2021-10-11 00:25:48,275 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4
[2021-10-11 00:25:48,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:48,275 INFO  L481      AbstractCegarLoop]: Abstraction has 7 states and 6 transitions.
[2021-10-11 00:25:48,275 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:25:48,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions.
[2021-10-11 00:25:48,276 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-11 00:25:48,276 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:25:48,276 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:48,277 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:25:48,277 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:48,278 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:48,278 INFO  L82        PathProgramCache]: Analyzing trace with hash 889512749, now seen corresponding path program 1 times
[2021-10-11 00:25:48,278 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:48,279 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953544621]
[2021-10-11 00:25:48,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:48,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:48,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:48,367 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953544621]
[2021-10-11 00:25:48,367 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:48,367 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:25:48,368 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757467066]
[2021-10-11 00:25:48,369 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:48,369 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:48,370 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:48,371 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:48,371 INFO  L87              Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 4 states.
[2021-10-11 00:25:48,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:48,387 INFO  L93              Difference]: Finished difference Result 7 states and 6 transitions.
[2021-10-11 00:25:48,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-11 00:25:48,388 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 6
[2021-10-11 00:25:48,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:48,388 INFO  L225             Difference]: With dead ends: 7
[2021-10-11 00:25:48,388 INFO  L226             Difference]: Without dead ends: 0
[2021-10-11 00:25:48,389 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:48,389 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:25:48,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:25:48,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:25:48,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:25:48,390 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2021-10-11 00:25:48,390 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:48,390 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:25:48,390 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:48,391 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:25:48,391 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:25:48,391 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:25:48,393 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:25:48,403 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2021-10-11 00:25:48,403 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8)  no Hoare annotation was computed.
[2021-10-11 00:25:48,403 INFO  L258        CegarLoopResult]: At program point  L21(lines 15 22)  the Hoare annotation is:  (= ULTIMATE.start_main_~z~0 0)
[2021-10-11 00:25:48,403 INFO  L262        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2021-10-11 00:25:48,403 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startENTRY(line -1)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  L20(line 20)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  L18(line 18)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  L8(line 8)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  L8-1(line 8)  no Hoare annotation was computed.
[2021-10-11 00:25:48,404 INFO  L262        CegarLoopResult]: For program point  L6(lines 1 22)  no Hoare annotation was computed.
[2021-10-11 00:25:48,405 INFO  L262        CegarLoopResult]: For program point  L6-1(lines 1 22)  no Hoare annotation was computed.
[2021-10-11 00:25:48,418 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:48 BoogieIcfgContainer
[2021-10-11 00:25:48,419 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:25:48,419 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:25:48,420 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:25:48,420 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:25:48,420 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:47" (3/4) ...
[2021-10-11 00:25:48,423 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:25:48,445 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2021-10-11 00:25:48,445 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:25:48,445 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:25:48,445 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:25:48,492 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162afc11-8237-4057-a823-1f3742171155/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:25:48,497 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:25:48,499 INFO  L168              Benchmark]: Toolchain (without parser) took 1120.00 ms. Allocated memory is still 111.1 MB. Free memory was 73.7 MB in the beginning and 46.8 MB in the end (delta: 26.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,501 INFO  L168              Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 111.1 MB. Free memory was 89.8 MB in the beginning and 89.7 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,503 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 252.39 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 87.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,504 INFO  L168              Benchmark]: Boogie Procedure Inliner took 31.60 ms. Allocated memory is still 111.1 MB. Free memory was 87.0 MB in the beginning and 85.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,505 INFO  L168              Benchmark]: Boogie Preprocessor took 17.93 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 84.9 MB in the end (delta: 723.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,505 INFO  L168              Benchmark]: RCFGBuilder took 264.78 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 74.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,507 INFO  L168              Benchmark]: TraceAbstraction took 468.72 ms. Allocated memory is still 111.1 MB. Free memory was 73.8 MB in the beginning and 49.3 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,509 INFO  L168              Benchmark]: Witness Printer took 77.60 ms. Allocated memory is still 111.1 MB. Free memory was 49.3 MB in the beginning and 46.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:48,512 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.87 ms. Allocated memory is still 111.1 MB. Free memory was 89.8 MB in the beginning and 89.7 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 252.39 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 87.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 31.60 ms. Allocated memory is still 111.1 MB. Free memory was 87.0 MB in the beginning and 85.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 17.93 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 84.9 MB in the end (delta: 723.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 264.78 ms. Allocated memory is still 111.1 MB. Free memory was 84.5 MB in the beginning and 74.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 468.72 ms. Allocated memory is still 111.1 MB. Free memory was 73.8 MB in the beginning and 49.3 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
 * Witness Printer took 77.60 ms. Allocated memory is still 111.1 MB. Free memory was 49.3 MB in the beginning and 46.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 8]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 8]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
  - InvariantResult [Line: 15]: Loop Invariant
    Derived loop invariant: z == 0
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 3 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
RESULT: Ultimate proved your program to be correct!
Received shutdown request...