./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/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_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 00:34:10,427 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:34:10,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:34:10,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:34:10,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:34:10,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:34:10,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:34:10,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:34:10,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:34:10,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:34:10,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:34:10,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:34:10,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:34:10,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:34:10,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:34:10,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:34:10,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:34:10,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:34:10,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:34:10,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:34:10,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:34:10,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:34:10,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:34:10,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:34:10,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:34:10,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:34:10,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:34:10,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:34:10,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:34:10,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:34:10,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:34:10,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:34:10,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:34:10,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:34:10,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:34:10,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:34:10,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:34:10,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:34:10,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:34:10,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:34:10,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:34:10,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-11 00:34:10,603 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:34:10,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:34:10,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:34:10,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:34:10,607 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:34:10,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:34:10,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:34:10,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:34:10,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:34:10,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:34:10,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:34:10,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:34:10,610 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-10-11 00:34:10,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:34:10,611 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:34:10,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:34:10,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:34:10,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:34:10,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:34:10,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:34:10,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:34:10,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:34:10,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:34:10,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:34:10,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:34:10,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:34:10,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:34:10,614 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_94ac672d-0240-4cd9-9906-199c90cb3632/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2
[2021-10-11 00:34:10,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:34:10,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:34:10,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:34:10,962 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:34:10,963 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:34:10,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c
[2021-10-11 00:34:11,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/data/a2c437b35/7b84fec2f5cf4a2c93001771e9a1b2df/FLAG818511283
[2021-10-11 00:34:11,558 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:34:11,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c
[2021-10-11 00:34:11,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/data/a2c437b35/7b84fec2f5cf4a2c93001771e9a1b2df/FLAG818511283
[2021-10-11 00:34:11,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/data/a2c437b35/7b84fec2f5cf4a2c93001771e9a1b2df
[2021-10-11 00:34:11,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:34:11,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:34:11,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:34:11,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:34:11,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:34:11,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:11" (1/1) ...
[2021-10-11 00:34:11,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41411525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:11, skipping insertion in model container
[2021-10-11 00:34:11,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:11" (1/1) ...
[2021-10-11 00:34:11,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:34:11,981 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:34:12,161 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:34:12,164 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:34:12,178 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:34:12,189 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:34:12,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12 WrapperNode
[2021-10-11 00:34:12,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:34:12,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:34:12,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:34:12,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:34:12,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:34:12,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:34:12,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:34:12,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:34:12,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
[2021-10-11 00:34:12,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:34:12,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:34:12,285 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:34:12,285 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:34:12,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/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 00:34:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:34:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:34:12,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:34:12,629 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-11 00:34:12,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:12 BoogieIcfgContainer
[2021-10-11 00:34:12,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:34:12,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:34:12,634 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:34:12,638 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:34:12,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:11" (1/3) ...
[2021-10-11 00:34:12,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29422c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:12, skipping insertion in model container
[2021-10-11 00:34:12,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:12" (2/3) ...
[2021-10-11 00:34:12,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29422c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:12, skipping insertion in model container
[2021-10-11 00:34:12,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:12" (3/3) ...
[2021-10-11 00:34:12,642 INFO L111 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig8a-modified.c
[2021-10-11 00:34:12,658 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:34:12,661 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations.
[2021-10-11 00:34:12,672 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-10-11 00:34:12,699 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:34:12,699 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:34:12,699 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:34:12,699 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:34:12,700 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:34:12,700 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:34:12,700 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:34:12,700 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:34:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states.
[2021-10-11 00:34:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-11 00:34:12,719 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:12,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-10-11 00:34:12,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2021-10-11 00:34:12,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:12,727 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times
[2021-10-11 00:34:12,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:12,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981727806]
[2021-10-11 00:34:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:13,017 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 00:34:13,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981727806]
[2021-10-11 00:34:13,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:13,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:34:13,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042819736]
[2021-10-11 00:34:13,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:34:13,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:13,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:34:13,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:34:13,065 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 5 states.
[2021-10-11 00:34:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:13,229 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions.
[2021-10-11 00:34:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:34:13,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4
[2021-10-11 00:34:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:13,243 INFO L225 Difference]: With dead ends: 23
[2021-10-11 00:34:13,243 INFO L226 Difference]: Without dead ends: 14
[2021-10-11 00:34:13,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:34:13,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2021-10-11 00:34:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2021-10-11 00:34:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-10-11 00:34:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions.
[2021-10-11 00:34:13,282 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 4
[2021-10-11 00:34:13,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:13,282 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions.
[2021-10-11 00:34:13,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:34:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions.
[2021-10-11 00:34:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-11 00:34:13,283 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:13,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-10-11 00:34:13,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:34:13,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2021-10-11 00:34:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:13,285 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times
[2021-10-11 00:34:13,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:13,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17618315]
[2021-10-11 00:34:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:13,314 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 00:34:13,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17618315]
[2021-10-11 00:34:13,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:13,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:34:13,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397908578]
[2021-10-11 00:34:13,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:34:13,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:13,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:34:13,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:34:13,320 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 3 states.
[2021-10-11 00:34:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:13,373 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions.
[2021-10-11 00:34:13,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:34:13,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4
[2021-10-11 00:34:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:13,376 INFO L225 Difference]: With dead ends: 20
[2021-10-11 00:34:13,377 INFO L226 Difference]: Without dead ends: 19
[2021-10-11 00:34:13,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 00:34:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2021-10-11 00:34:13,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18.
[2021-10-11 00:34:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-10-11 00:34:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions.
[2021-10-11 00:34:13,383 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 4
[2021-10-11 00:34:13,383 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:13,383 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions.
[2021-10-11 00:34:13,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:34:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2021-10-11 00:34:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-11 00:34:13,384 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:13,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-11 00:34:13,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:34:13,385 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2021-10-11 00:34:13,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:13,386 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times
[2021-10-11 00:34:13,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:13,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066004219]
[2021-10-11 00:34:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:13,413 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 00:34:13,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066004219]
[2021-10-11 00:34:13,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:13,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:34:13,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991848799]
[2021-10-11 00:34:13,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:34:13,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:13,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:34:13,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:34:13,418 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 3 states.
[2021-10-11 00:34:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:13,443 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions.
[2021-10-11 00:34:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:34:13,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5
[2021-10-11 00:34:13,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:13,445 INFO L225 Difference]: With dead ends: 18
[2021-10-11 00:34:13,445 INFO L226 Difference]: Without dead ends: 17
[2021-10-11 00:34:13,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 00:34:13,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2021-10-11 00:34:13,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2021-10-11 00:34:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-10-11 00:34:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions.
[2021-10-11 00:34:13,452 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 5
[2021-10-11 00:34:13,452 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:13,452 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions.
[2021-10-11 00:34:13,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:34:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions.
[2021-10-11 00:34:13,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-11 00:34:13,453 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:13,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-11 00:34:13,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:34:13,454 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2021-10-11 00:34:13,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:13,455 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times
[2021-10-11 00:34:13,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:13,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26201609]
[2021-10-11 00:34:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:13,511 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 00:34:13,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26201609]
[2021-10-11 00:34:13,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:13,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:34:13,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208792839]
[2021-10-11 00:34:13,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:34:13,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:13,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:34:13,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:34:13,514 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 4 states.
[2021-10-11 00:34:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:13,566 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions.
[2021-10-11 00:34:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:34:13,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5
[2021-10-11 00:34:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:13,568 INFO L225 Difference]: With dead ends: 17
[2021-10-11 00:34:13,568 INFO L226 Difference]: Without dead ends: 16
[2021-10-11 00:34:13,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 00:34:13,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2021-10-11 00:34:13,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2021-10-11 00:34:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-10-11 00:34:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions.
[2021-10-11 00:34:13,575 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 5
[2021-10-11 00:34:13,575 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:13,575 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions.
[2021-10-11 00:34:13,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:34:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions.
[2021-10-11 00:34:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-10-11 00:34:13,576 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:13,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1]
[2021-10-11 00:34:13,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:34:13,577 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2021-10-11 00:34:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:13,578 INFO L82 PathProgramCache]: Analyzing trace with hash 784501312, now seen corresponding path program 1 times
[2021-10-11 00:34:13,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:13,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282986292]
[2021-10-11 00:34:13,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:34:13,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282986292]
[2021-10-11 00:34:13,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696709889]
[2021-10-11 00:34:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:34:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:13,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-11 00:34:13,793 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:34:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-11 00:34:13,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-11 00:34:13,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5
[2021-10-11 00:34:13,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559311622]
[2021-10-11 00:34:13,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-10-11 00:34:13,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:13,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-11 00:34:13,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:34:13,889 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 7 states.
[2021-10-11 00:34:13,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:13,941 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions.
[2021-10-11 00:34:13,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:34:13,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8
[2021-10-11 00:34:13,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:13,943 INFO L225 Difference]: With dead ends: 16
[2021-10-11 00:34:13,944 INFO L226 Difference]: Without dead ends: 15
[2021-10-11 00:34:13,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-10-11 00:34:13,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2021-10-11 00:34:13,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12.
[2021-10-11 00:34:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-10-11 00:34:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions.
[2021-10-11 00:34:13,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 8
[2021-10-11 00:34:13,950 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:13,950 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions.
[2021-10-11 00:34:13,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2021-10-11 00:34:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions.
[2021-10-11 00:34:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-10-11 00:34:13,951 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:34:13,951 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:34:14,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:34:14,175 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]===
[2021-10-11 00:34:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:34:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash 784501120, now seen corresponding path program 1 times
[2021-10-11 00:34:14,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:34:14,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723576951]
[2021-10-11 00:34:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:34:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:34:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:34:14,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723576951]
[2021-10-11 00:34:14,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:34:14,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:34:14,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332457156]
[2021-10-11 00:34:14,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:34:14,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:34:14,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:34:14,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:34:14,239 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 4 states.
[2021-10-11 00:34:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:34:14,305 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions.
[2021-10-11 00:34:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:34:14,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8
[2021-10-11 00:34:14,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:34:14,307 INFO L225 Difference]: With dead ends: 21
[2021-10-11 00:34:14,307 INFO L226 Difference]: Without dead ends: 0
[2021-10-11 00:34:14,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:34:14,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:34:14,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:34:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:34:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:34:14,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2021-10-11 00:34:14,313 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:34:14,313 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:34:14,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:34:14,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:34:14,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:34:14,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:34:14,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:34:14,413 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-10-11 00:34:14,413 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-11 00:34:14,413 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-10-11 00:34:14,413 INFO L262 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2021-10-11 00:34:14,422 INFO L262 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-10-11 00:34:14,422 INFO L262 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2021-10-11 00:34:14,422 INFO L262 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2021-10-11 00:34:14,423 INFO L262 CegarLoopResult]: For program point L17-2(lines 17 23) no Hoare annotation was computed.
[2021-10-11 00:34:14,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2021-10-11 00:34:14,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-10-11 00:34:14,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-11 00:34:14,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-11 00:34:14,424 INFO L258 CegarLoopResult]: At program point L24(lines 13 25) the Hoare annotation is: (or (<= ULTIMATE.start_main_~x~0 2147483646) (<= (+ ULTIMATE.start_main_~K~0 1) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~K~0 ULTIMATE.start_main_~x~0))
[2021-10-11 00:34:14,424 INFO L262 CegarLoopResult]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2021-10-11 00:34:14,424 INFO L258 CegarLoopResult]: At program point L18-2(lines 17 23) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= 0 (+ ULTIMATE.start_main_~K~0 2147483648)) (<= ULTIMATE.start_main_~K~0 2147483647))
[2021-10-11 00:34:14,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:34:14 BoogieIcfgContainer
[2021-10-11 00:34:14,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:34:14,451 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:34:14,451 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:34:14,452 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:34:14,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:12" (3/4) ...
[2021-10-11 00:34:14,457 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:34:14,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-10-11 00:34:14,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-10-11 00:34:14,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ac672d-0240-4cd9-9906-199c90cb3632/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:34:14,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:34:14,530 INFO L168 Benchmark]: Toolchain (without parser) took 2603.63 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 77.5 MB in the beginning and 80.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,536 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 117.4 MB. Free memory is still 94.2 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.77 ms. Allocated memory is still 117.4 MB. Free memory was 77.3 MB in the beginning and 93.0 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.91 ms. Allocated memory is still 117.4 MB. Free memory was 93.0 MB in the beginning and 91.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,539 INFO L168 Benchmark]: Boogie Preprocessor took 40.03 ms. Allocated memory is still 117.4 MB. Free memory was 91.9 MB in the beginning and 90.9 MB in the end (delta: 986.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,540 INFO L168 Benchmark]: RCFGBuilder took 347.57 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 81.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,544 INFO L168 Benchmark]: TraceAbstraction took 1815.87 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 80.9 MB in the beginning and 83.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,549 INFO L168 Benchmark]: Witness Printer took 77.00 ms. Allocated memory is still 142.6 MB. Free memory was 83.0 MB in the beginning and 80.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:34:14,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34 ms. Allocated memory is still 117.4 MB. Free memory is still 94.2 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 253.77 ms. Allocated memory is still 117.4 MB. Free memory was 77.3 MB in the beginning and 93.0 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 50.91 ms. Allocated memory is still 117.4 MB. Free memory was 93.0 MB in the beginning and 91.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Boogie Preprocessor took 40.03 ms. Allocated memory is still 117.4 MB. Free memory was 91.9 MB in the beginning and 90.9 MB in the end (delta: 986.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 347.57 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 81.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 1815.87 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 80.9 MB in the beginning and 83.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB.
* Witness Printer took 77.00 ms. Allocated memory is still 142.6 MB. Free memory was 83.0 MB in the beginning and 80.9 MB in the end (delta: 2.0 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: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= K + 2147483648) && K <= 2147483647
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: (x <= 2147483646 || K + 1 <= x) || K == x
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 53 SDslu, 3 SDs, 0 SdLazy, 101 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=2, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 29 HoareAnnotationTreeSize, 2 FomulaSimplifications, 117 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 784 SizeOfPredicates, 1 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 4/8 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...