./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/trex01_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/trex01_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac73664c6b6c540fa41a6c75f0a1d02ae5fcc2e0 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:20:59,987 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:20:59,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:20:59,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:20:59,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:20:59,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:20:59,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:20:59,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:20:59,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:20:59,998 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:20:59,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:20:59,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:21:00,000 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:21:00,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:21:00,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:21:00,002 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:21:00,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:21:00,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:21:00,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:21:00,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:21:00,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:21:00,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:21:00,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:21:00,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:21:00,010 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:21:00,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:21:00,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:21:00,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:21:00,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:21:00,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:21:00,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:21:00,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:21:00,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:21:00,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:21:00,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:21:00,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:21:00,015 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 12:21:00,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:21:00,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:21:00,024 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:21:00,024 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 12:21:00,025 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:21:00,025 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:21:00,025 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:21:00,025 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:21:00,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:21:00,027 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:21:00,027 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:21:00,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:21:00,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:21:00,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:21:00,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:21:00,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:21:00,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:21:00,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:21:00,028 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:21:00,028 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:21:00,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:21:00,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:21:00,028 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer 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(__VERIFIER_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 -> ac73664c6b6c540fa41a6c75f0a1d02ae5fcc2e0 [2018-11-18 12:21:00,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:21:00,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:21:00,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:21:00,060 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:21:00,061 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:21:00,061 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/../../sv-benchmarks/c/loops/trex01_true-unreach-call_true-termination.i [2018-11-18 12:21:00,094 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/data/ddb1b6f56/8518f98b328c4382aec8b0bdf743a0ce/FLAG6c425b731 [2018-11-18 12:21:00,494 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:21:00,495 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/sv-benchmarks/c/loops/trex01_true-unreach-call_true-termination.i [2018-11-18 12:21:00,500 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/data/ddb1b6f56/8518f98b328c4382aec8b0bdf743a0ce/FLAG6c425b731 [2018-11-18 12:21:00,510 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/data/ddb1b6f56/8518f98b328c4382aec8b0bdf743a0ce [2018-11-18 12:21:00,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:21:00,514 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:21:00,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:21:00,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:21:00,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:21:00,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2e80a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00, skipping insertion in model container [2018-11-18 12:21:00,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:21:00,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:21:00,675 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:21:00,677 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:21:00,691 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:21:00,702 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:21:00,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00 WrapperNode [2018-11-18 12:21:00,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:21:00,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:21:00,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:21:00,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:21:00,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... [2018-11-18 12:21:00,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:21:00,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:21:00,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:21:00,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:21:00,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/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 [2018-11-18 12:21:00,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:21:00,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:21:00,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 12:21:00,816 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-18 12:21:00,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:21:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:21:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 12:21:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 12:21:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2018-11-18 12:21:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:21:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-18 12:21:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:21:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:21:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:21:00,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:21:00,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:21:00 BoogieIcfgContainer [2018-11-18 12:21:00,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:21:00,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:21:00,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:21:00,978 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:21:00,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:21:00" (1/3) ... [2018-11-18 12:21:00,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eec3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:21:00, skipping insertion in model container [2018-11-18 12:21:00,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:21:00" (2/3) ... [2018-11-18 12:21:00,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eec3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:21:00, skipping insertion in model container [2018-11-18 12:21:00,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:21:00" (3/3) ... [2018-11-18 12:21:00,980 INFO L112 eAbstractionObserver]: Analyzing ICFG trex01_true-unreach-call_true-termination.i [2018-11-18 12:21:00,985 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:21:00,990 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:21:01,000 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:21:01,024 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:21:01,025 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:21:01,025 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:21:01,025 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:21:01,025 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:21:01,025 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:21:01,025 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:21:01,025 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:21:01,025 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:21:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-18 12:21:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:21:01,042 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:01,042 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:01,044 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:01,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:01,047 INFO L82 PathProgramCache]: Analyzing trace with hash -623240960, now seen corresponding path program 1 times [2018-11-18 12:21:01,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:21:01,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:21:01,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:01,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:01,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:01,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:01,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:21:01,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:21:01,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:21:01,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:21:01,149 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-11-18 12:21:01,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:01,163 INFO L93 Difference]: Finished difference Result 54 states and 73 transitions. [2018-11-18 12:21:01,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:21:01,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-18 12:21:01,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:01,169 INFO L225 Difference]: With dead ends: 54 [2018-11-18 12:21:01,169 INFO L226 Difference]: Without dead ends: 17 [2018-11-18 12:21:01,171 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:21:01,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-18 12:21:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-18 12:21:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-18 12:21:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-18 12:21:01,194 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-11-18 12:21:01,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:01,194 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-18 12:21:01,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:21:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-18 12:21:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:21:01,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:21:01,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:21:01,195 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:21:01,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:21:01,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1863782436, now seen corresponding path program 1 times [2018-11-18 12:21:01,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:21:01,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:21:01,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:01,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:21:01,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:21:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:21:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:21:01,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:21:01,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:21:01,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:21:01,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:21:01,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:21:01,245 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 5 states. [2018-11-18 12:21:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:21:01,273 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-18 12:21:01,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:21:01,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-18 12:21:01,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:21:01,273 INFO L225 Difference]: With dead ends: 17 [2018-11-18 12:21:01,273 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:21:01,274 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:21:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:21:01,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:21:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:21:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:21:01,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-18 12:21:01,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:21:01,274 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:21:01,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:21:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:21:01,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:21:01,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:21:01,291 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point L17(lines 11 33) no Hoare annotation was computed. [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point fEXIT(lines 11 33) no Hoare annotation was computed. [2018-11-18 12:21:01,291 INFO L428 ceAbstractionStarter]: At program point fENTRY(lines 11 33) the Hoare annotation is: true [2018-11-18 12:21:01,291 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 31) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L428 ceAbstractionStarter]: At program point L24-2(lines 22 32) the Hoare annotation is: true [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 32) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point L22-3(lines 11 33) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L421 ceAbstractionStarter]: At program point L16-3(line 16) the Hoare annotation is: (<= 1 f_~z~0) [2018-11-18 12:21:01,292 INFO L421 ceAbstractionStarter]: At program point L16-4(line 16) the Hoare annotation is: (<= 1 f_~z~0) [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:21:01,292 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 34 42) the Hoare annotation is: true [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 34 42) no Hoare annotation was computed. [2018-11-18 12:21:01,292 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 34 42) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L428 ceAbstractionStarter]: At program point L39(line 39) the Hoare annotation is: true [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 36 40) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L428 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: true [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-18 12:21:01,293 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-18 12:21:01,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:21:01 BoogieIcfgContainer [2018-11-18 12:21:01,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:21:01,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:21:01,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:21:01,301 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:21:01,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:21:00" (3/4) ... [2018-11-18 12:21:01,303 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:21:01,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:21:01,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2018-11-18 12:21:01,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:21:01,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 12:21:01,310 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 12:21:01,310 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:21:01,311 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:21:01,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7ce341a-2ef2-43f9-a2ff-048eb52b70c6/bin-2019/uautomizer/witness.graphml [2018-11-18 12:21:01,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:21:01,340 INFO L168 Benchmark]: Toolchain (without parser) took 827.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:01,342 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:21:01,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:01,342 INFO L168 Benchmark]: Boogie Preprocessor took 23.73 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:01,343 INFO L168 Benchmark]: RCFGBuilder took 247.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:01,343 INFO L168 Benchmark]: TraceAbstraction took 324.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:01,343 INFO L168 Benchmark]: Witness Printer took 39.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:21:01,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.73 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 247.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 324.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 <= z - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 1 SDslu, 35 SDs, 0 SdLazy, 8 SolverSat, 1 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 16 PreInvPairs, 20 NumberOfFragments, 15 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 533 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...