./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/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 773baadb55b498633b84884838d360efb3aec808 .................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/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 773baadb55b498633b84884838d360efb3aec808 ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:16:01,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:16:01,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:16:01,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:16:01,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:16:01,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:16:01,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:16:01,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:16:01,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:16:01,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:16:01,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:16:01,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:16:01,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:16:01,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:16:01,333 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:16:01,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:16:01,335 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:16:01,336 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:16:01,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:16:01,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:16:01,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:16:01,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:16:01,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:16:01,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:16:01,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:16:01,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:16:01,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:16:01,344 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:16:01,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:16:01,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:16:01,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:16:01,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:16:01,346 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:16:01,346 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:16:01,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:16:01,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:16:01,347 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 02:16:01,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:16:01,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:16:01,358 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:16:01,358 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:16:01,358 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:16:01,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:16:01,359 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 02:16:01,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:16:01,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:16:01,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:16:01,359 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:16:01,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:16:01,360 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:16:01,360 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:16:01,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:16:01,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:16:01,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:16:01,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:16:01,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:16:01,361 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:16:01,361 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 02:16:01,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:16:01,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:16:01,362 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_18e681ba-5adb-4b71-aa95-b7388dcf9084/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 -> 773baadb55b498633b84884838d360efb3aec808 [2018-11-10 02:16:01,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:16:01,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:16:01,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:16:01,396 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:16:01,397 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:16:01,397 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 02:16:01,435 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/49a05a730/c335822e8e4443d682acabb978c28e89/FLAG7e3feb8cf [2018-11-10 02:16:01,853 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:16:01,854 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 02:16:01,860 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/49a05a730/c335822e8e4443d682acabb978c28e89/FLAG7e3feb8cf [2018-11-10 02:16:01,872 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/49a05a730/c335822e8e4443d682acabb978c28e89 [2018-11-10 02:16:01,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:16:01,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 02:16:01,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:01,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:16:01,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:16:01,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:01" (1/1) ... [2018-11-10 02:16:01,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:01, skipping insertion in model container [2018-11-10 02:16:01,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:01" (1/1) ... [2018-11-10 02:16:01,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:16:01,910 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:16:02,028 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:02,031 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:16:02,041 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:02,050 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:16:02,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02 WrapperNode [2018-11-10 02:16:02,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:02,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:16:02,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:16:02,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:16:02,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... [2018-11-10 02:16:02,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:16:02,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:16:02,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:16:02,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:16:02,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/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 [2018-11-10 02:16:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:16:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:16:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 02:16:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:16:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 02:16:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 02:16:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:16:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:16:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:16:02,229 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:16:02,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:02 BoogieIcfgContainer [2018-11-10 02:16:02,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:16:02,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:16:02,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:16:02,233 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:16:02,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:16:01" (1/3) ... [2018-11-10 02:16:02,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36839c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:16:02, skipping insertion in model container [2018-11-10 02:16:02,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:02" (2/3) ... [2018-11-10 02:16:02,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36839c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:16:02, skipping insertion in model container [2018-11-10 02:16:02,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:02" (3/3) ... [2018-11-10 02:16:02,235 INFO L112 eAbstractionObserver]: Analyzing ICFG float_double_true-unreach-call_true-termination.c [2018-11-10 02:16:02,241 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:16:02,245 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:16:02,253 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:16:02,270 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:16:02,270 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:16:02,270 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:16:02,270 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:16:02,270 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:16:02,270 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:16:02,270 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:16:02,270 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:16:02,270 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:16:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-10 02:16:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 02:16:02,283 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:16:02,283 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:16:02,285 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:16:02,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:16:02,289 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-10 02:16:02,290 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:16:02,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:16:02,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:16:02,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:16:02,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:16:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:16:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:16:02,360 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 02:16:02,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:16:02 BoogieIcfgContainer [2018-11-10 02:16:02,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:16:02,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:16:02,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:16:02,373 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:16:02,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:02" (3/4) ... [2018-11-10 02:16:02,375 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 02:16:02,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:16:02,376 INFO L168 Benchmark]: Toolchain (without parser) took 500.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:02,377 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:02,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:02,378 INFO L168 Benchmark]: Boogie Preprocessor took 17.82 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:02,378 INFO L168 Benchmark]: RCFGBuilder took 160.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:02,379 INFO L168 Benchmark]: TraceAbstraction took 142.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:02,379 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:02,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.82 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 160.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 142.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] double x = 1e20 + 1.; [L9] float y = x; VAL [x=2, y=2] [L10] CALL __VERIFIER_assert(x != y) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:16:03,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:16:03,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:16:03,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:16:03,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:16:03,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:16:03,853 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:16:03,855 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:16:03,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:16:03,856 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:16:03,857 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:16:03,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:16:03,858 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:16:03,858 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:16:03,859 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:16:03,860 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:16:03,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:16:03,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:16:03,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:16:03,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:16:03,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:16:03,865 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:16:03,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:16:03,867 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:16:03,867 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:16:03,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:16:03,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:16:03,869 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:16:03,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:16:03,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:16:03,871 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:16:03,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:16:03,871 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:16:03,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:16:03,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:16:03,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:16:03,873 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 02:16:03,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:16:03,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:16:03,884 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:16:03,884 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:16:03,884 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:16:03,885 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:16:03,885 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 02:16:03,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:16:03,885 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:16:03,885 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:16:03,885 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:16:03,886 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:16:03,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:16:03,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:16:03,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:16:03,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:16:03,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:16:03,887 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:16:03,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:16:03,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:16:03,888 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 02:16:03,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:16:03,888 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 02:16:03,888 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 02:16:03,888 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_18e681ba-5adb-4b71-aa95-b7388dcf9084/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 -> 773baadb55b498633b84884838d360efb3aec808 [2018-11-10 02:16:03,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:16:03,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:16:03,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:16:03,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:16:03,928 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:16:03,928 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 02:16:03,962 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/52a6306d0/1894dda953004ad384dd764c6817e6f3/FLAGd92770cd8 [2018-11-10 02:16:04,253 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:16:04,253 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 02:16:04,257 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/52a6306d0/1894dda953004ad384dd764c6817e6f3/FLAGd92770cd8 [2018-11-10 02:16:04,266 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/data/52a6306d0/1894dda953004ad384dd764c6817e6f3 [2018-11-10 02:16:04,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:16:04,269 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 02:16:04,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:04,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:16:04,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:16:04,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c6de17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04, skipping insertion in model container [2018-11-10 02:16:04,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:16:04,291 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:16:04,393 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:04,398 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:16:04,406 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:16:04,415 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:16:04,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04 WrapperNode [2018-11-10 02:16:04,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:16:04,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:16:04,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:16:04,416 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:16:04,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... [2018-11-10 02:16:04,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:16:04,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:16:04,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:16:04,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:16:04,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/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 [2018-11-10 02:16:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:16:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:16:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 02:16:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:16:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 02:16:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 02:16:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:16:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:16:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:16:04,612 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:16:04,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:04 BoogieIcfgContainer [2018-11-10 02:16:04,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:16:04,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:16:04,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:16:04,614 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:16:04,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:16:04" (1/3) ... [2018-11-10 02:16:04,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3645fdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:16:04, skipping insertion in model container [2018-11-10 02:16:04,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:16:04" (2/3) ... [2018-11-10 02:16:04,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3645fdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:16:04, skipping insertion in model container [2018-11-10 02:16:04,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:04" (3/3) ... [2018-11-10 02:16:04,617 INFO L112 eAbstractionObserver]: Analyzing ICFG float_double_true-unreach-call_true-termination.c [2018-11-10 02:16:04,622 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:16:04,626 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:16:04,635 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:16:04,653 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:16:04,653 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:16:04,654 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:16:04,654 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:16:04,654 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:16:04,654 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:16:04,654 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:16:04,654 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:16:04,654 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:16:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-10 02:16:04,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 02:16:04,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:16:04,669 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 02:16:04,671 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:16:04,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:16:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-11-10 02:16:04,679 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:16:04,680 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 02:16:04,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:16:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:16:04,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:16:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:16:04,905 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 02:16:04,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:16:04,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 02:16:04,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 02:16:04,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 02:16:04,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 02:16:04,926 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-10 02:16:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:16:05,101 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-10 02:16:05,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 02:16:05,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-10 02:16:05,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:16:05,110 INFO L225 Difference]: With dead ends: 24 [2018-11-10 02:16:05,110 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 02:16:05,112 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 02:16:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 02:16:05,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 02:16:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 02:16:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 02:16:05,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-10 02:16:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:16:05,127 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 02:16:05,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 02:16:05,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 02:16:05,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:16:05,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 02:16:05,167 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 02:16:05,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:16:05,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:16:05,167 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 02:16:05,167 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 02:16:05,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 02:16:05,168 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 6 12) the Hoare annotation is: true [2018-11-10 02:16:05,168 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6 12) no Hoare annotation was computed. [2018-11-10 02:16:05,168 INFO L421 ceAbstractionStarter]: At program point L10(line 10) the Hoare annotation is: (= (fp.add RNE ((_ to_fp 11 53) RNE 100000000000000000000.0) ((_ to_fp 11 53) RNE 1.0)) main_~x~0) [2018-11-10 02:16:05,168 INFO L425 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2018-11-10 02:16:05,168 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6 12) no Hoare annotation was computed. [2018-11-10 02:16:05,168 INFO L425 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-11-10 02:16:05,168 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-11-10 02:16:05,169 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-11-10 02:16:05,169 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-10 02:16:05,169 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-10 02:16:05,169 INFO L425 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-11-10 02:16:05,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:16:05 BoogieIcfgContainer [2018-11-10 02:16:05,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:16:05,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:16:05,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:16:05,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:16:05,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:16:04" (3/4) ... [2018-11-10 02:16:05,175 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:16:05,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 02:16:05,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 02:16:05,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 02:16:05,184 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 02:16:05,185 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 02:16:05,185 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 02:16:05,206 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18e681ba-5adb-4b71-aa95-b7388dcf9084/bin-2019/uautomizer/witness.graphml [2018-11-10 02:16:05,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:16:05,207 INFO L168 Benchmark]: Toolchain (without parser) took 938.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). Peak memory consumption was 460.8 kB. Max. memory is 11.5 GB. [2018-11-10 02:16:05,208 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:05,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:05,208 INFO L168 Benchmark]: Boogie Preprocessor took 18.04 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 939.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:05,209 INFO L168 Benchmark]: RCFGBuilder took 178.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:05,209 INFO L168 Benchmark]: TraceAbstraction took 558.68 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:05,210 INFO L168 Benchmark]: Witness Printer took 34.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:05,211 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.04 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 939.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 558.68 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Witness Printer took 34.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 15 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...