/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ad42bb2010d2b192065bfa0d559e83801dcf82da ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ad42bb2010d2b192065bfa0d559e83801dcf82da ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:49:54,074 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:49:54,076 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:49:54,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:49:54,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:49:54,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:49:54,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:49:54,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:49:54,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:49:54,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:49:54,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:49:54,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:49:54,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:49:54,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:49:54,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:49:54,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:49:54,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:49:54,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:49:54,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:49:54,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:49:54,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:49:54,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:49:54,115 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:49:54,115 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:49:54,115 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:49:54,122 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:49:54,123 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:49:54,128 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:49:54,129 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:49:54,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:49:54,130 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:49:54,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:49:54,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:49:54,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:49:54,133 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:49:54,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:49:54,134 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:49:54,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:49:54,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:49:54,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:49:54,165 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:49:54,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:49:54,166 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:49:54,167 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:49:54,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:49:54,167 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:49:54,167 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:49:54,167 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:49:54,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:49:54,168 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:49:54,168 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:49:54,168 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:49:54,168 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:49:54,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:49:54,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:49:54,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:49:54,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:49:54,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:49:54,173 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:49:54,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:49:54,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:49:54,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:49:54,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:49:54,175 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:49:54,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:49:54,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:49:54,175 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-09-20 13:49:54,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:49:54,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:49:54,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:49:54,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:49:54,253 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:49:54,254 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-09-20 13:49:54,648 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb091ca7c/4cf3a3b4522f49f4b1e64acddf1e028a/FLAG796243754 [2018-09-20 13:49:54,807 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:49:54,808 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-09-20 13:49:54,814 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb091ca7c/4cf3a3b4522f49f4b1e64acddf1e028a/FLAG796243754 [2018-09-20 13:49:54,830 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb091ca7c/4cf3a3b4522f49f4b1e64acddf1e028a [2018-09-20 13:49:54,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:49:54,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:49:54,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:54,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:49:54,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:49:54,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:54" (1/1) ... [2018-09-20 13:49:54,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cba804d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:54, skipping insertion in model container [2018-09-20 13:49:54,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:54" (1/1) ... [2018-09-20 13:49:54,862 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:49:55,048 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:55,067 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:49:55,075 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:55,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55 WrapperNode [2018-09-20 13:49:55,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:55,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:49:55,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:49:55,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:49:55,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... [2018-09-20 13:49:55,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:49:55,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:49:55,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:49:55,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:49:55,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:49:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:49:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:49:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:49:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:49:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:49:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:49:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:49:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:49:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:49:55,457 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:49:55,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:55 BoogieIcfgContainer [2018-09-20 13:49:55,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:49:55,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:49:55,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:49:55,463 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:49:55,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:49:54" (1/3) ... [2018-09-20 13:49:55,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7626e5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:55, skipping insertion in model container [2018-09-20 13:49:55,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:55" (2/3) ... [2018-09-20 13:49:55,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7626e5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:55, skipping insertion in model container [2018-09-20 13:49:55,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:55" (3/3) ... [2018-09-20 13:49:55,470 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-09-20 13:49:55,486 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:49:55,496 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:49:55,547 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:49:55,547 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:49:55,547 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:49:55,548 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:49:55,548 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:49:55,548 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:49:55,548 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:49:55,548 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:49:55,548 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:49:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-20 13:49:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-20 13:49:55,571 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:49:55,572 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:49:55,574 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:49:55,580 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-20 13:49:55,582 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:49:55,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:49:55,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:49:55,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:49:55,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:49:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:49:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:49:55,696 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 13:49:55,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:49:55 BoogieIcfgContainer [2018-09-20 13:49:55,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:49:55,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:49:55,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:49:55,718 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:49:55,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:55" (3/4) ... [2018-09-20 13:49:55,723 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 13:49:55,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:49:55,724 INFO L168 Benchmark]: Toolchain (without parser) took 889.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:49:55,727 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:49:55,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.34 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 934.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:55,729 INFO L168 Benchmark]: Boogie Preprocessor took 43.18 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:49:55,729 INFO L168 Benchmark]: RCFGBuilder took 318.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:55,730 INFO L168 Benchmark]: TraceAbstraction took 258.58 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:49:55,731 INFO L168 Benchmark]: Witness Printer took 5.67 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. [2018-09-20 13:49:55,738 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.34 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 934.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.18 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 258.58 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.67 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 someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) VAL [x=77617, y=33096] [L13] CALL __VERIFIER_assert((r >= 0)) 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 0.1.23-40ef509 [2018-09-20 13:49:58,303 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:49:58,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:49:58,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:49:58,319 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:49:58,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:49:58,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:49:58,324 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:49:58,325 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:49:58,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:49:58,327 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:49:58,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:49:58,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:49:58,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:49:58,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:49:58,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:49:58,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:49:58,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:49:58,336 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:49:58,337 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:49:58,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:49:58,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:49:58,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:49:58,343 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:49:58,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:49:58,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:49:58,345 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:49:58,350 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:49:58,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:49:58,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:49:58,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:49:58,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:49:58,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:49:58,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:49:58,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:49:58,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:49:58,359 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:49:58,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:49:58,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:49:58,394 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:49:58,394 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:49:58,394 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:49:58,395 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:49:58,395 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:49:58,395 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:49:58,395 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:49:58,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:49:58,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:49:58,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:49:58,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:49:58,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:49:58,399 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:49:58,400 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:49:58,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:49:58,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:49:58,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:49:58,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:49:58,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:49:58,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:49:58,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:49:58,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:49:58,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:49:58,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:49:58,402 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:49:58,402 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:49:58,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:49:58,402 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:49:58,402 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:49:58,404 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2018-09-20 13:49:58,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:49:58,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:49:58,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:49:58,490 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:49:58,491 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:49:58,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-09-20 13:49:58,903 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c04e7d72/e2f45e96877d44af9275bf7118d6448c/FLAG137e9f172 [2018-09-20 13:49:59,058 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:49:59,058 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_float_true-unreach-call_true-termination.c [2018-09-20 13:49:59,066 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c04e7d72/e2f45e96877d44af9275bf7118d6448c/FLAG137e9f172 [2018-09-20 13:49:59,088 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c04e7d72/e2f45e96877d44af9275bf7118d6448c [2018-09-20 13:49:59,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:49:59,097 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:49:59,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:59,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:49:59,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:49:59,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59, skipping insertion in model container [2018-09-20 13:49:59,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,125 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:49:59,380 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:59,407 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:49:59,424 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:49:59,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59 WrapperNode [2018-09-20 13:49:59,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:49:59,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:49:59,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:49:59,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:49:59,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... [2018-09-20 13:49:59,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:49:59,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:49:59,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:49:59,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:49:59,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:49:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:49:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:49:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:49:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:49:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:49:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:49:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:49:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:49:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:49:59,807 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:49:59,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:59 BoogieIcfgContainer [2018-09-20 13:49:59,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:49:59,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:49:59,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:49:59,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:49:59,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:49:59" (1/3) ... [2018-09-20 13:49:59,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee0dd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:59, skipping insertion in model container [2018-09-20 13:49:59,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:59" (2/3) ... [2018-09-20 13:49:59,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee0dd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:49:59, skipping insertion in model container [2018-09-20 13:49:59,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:59" (3/3) ... [2018-09-20 13:49:59,818 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float_true-unreach-call_true-termination.c [2018-09-20 13:49:59,828 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:49:59,836 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:49:59,888 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:49:59,889 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:49:59,889 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:49:59,889 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:49:59,889 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:49:59,889 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:49:59,889 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:49:59,889 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:49:59,890 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:49:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-20 13:49:59,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-20 13:49:59,914 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:49:59,915 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:49:59,918 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:49:59,924 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-20 13:49:59,929 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:49:59,930 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:49:59,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:50:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:50:02,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:50:02,811 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 5 [2018-09-20 13:50:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:50:02,924 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:50:02,970 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:50:02,971 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-20 13:50:02,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-20 13:50:02,989 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-20 13:50:02,990 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-20 13:50:02,993 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-09-20 13:50:03,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:50:03,129 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-09-20 13:50:03,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 13:50:03,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-09-20 13:50:03,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:50:03,139 INFO L225 Difference]: With dead ends: 24 [2018-09-20 13:50:03,140 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:50:03,145 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-20 13:50:03,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:50:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:50:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:50:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:50:03,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-09-20 13:50:03,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:50:03,170 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:50:03,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-20 13:50:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:50:03,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:50:03,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:50:03,247 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-20 13:50:03,247 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:50:03,247 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:50:03,248 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:50:03,248 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:50:03,248 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:50:03,249 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 6 15) the Hoare annotation is: true [2018-09-20 13:50:03,250 INFO L422 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (= (let ((.cse1 ((_ to_fp 8 24) RNE 77617.0)) (.cse2 ((_ to_fp 8 24) RNE 2.0)) (.cse0 ((_ to_fp 8 24) RNE 33096.0))) (fp.add RNE (fp.add RNE (fp.add RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul RNE (fp.mul RNE .cse1 .cse1) (fp.sub RNE (fp.sub RNE (fp.sub RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE (fp.mul RNE ((_ to_fp 8 24) RNE (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div RNE .cse1 (fp.mul RNE .cse2 .cse0)))) main_~r~0) [2018-09-20 13:50:03,250 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 6 15) no Hoare annotation was computed. [2018-09-20 13:50:03,250 INFO L426 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-09-20 13:50:03,251 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 6 15) no Hoare annotation was computed. [2018-09-20 13:50:03,251 INFO L426 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-09-20 13:50:03,252 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-09-20 13:50:03,252 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-09-20 13:50:03,252 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-09-20 13:50:03,252 INFO L426 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-09-20 13:50:03,252 INFO L426 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-09-20 13:50:03,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:50:03 BoogieIcfgContainer [2018-09-20 13:50:03,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:50:03,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:50:03,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:50:03,257 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:50:03,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:59" (3/4) ... [2018-09-20 13:50:03,262 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:50:03,270 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:50:03,270 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:50:03,270 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-09-20 13:50:03,275 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-09-20 13:50:03,275 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 13:50:03,276 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:50:03,317 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:50:03,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:50:03,318 INFO L168 Benchmark]: Toolchain (without parser) took 4224.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:03,319 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-09-20 13:50:03,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:03,323 INFO L168 Benchmark]: Boogie Preprocessor took 42.72 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:50:03,324 INFO L168 Benchmark]: RCFGBuilder took 309.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:03,327 INFO L168 Benchmark]: TraceAbstraction took 3447.54 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:03,329 INFO L168 Benchmark]: Witness Printer took 60.26 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:50:03,337 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 357.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.72 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 309.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3447.54 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.26 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: 6.7 MB). Peak memory consumption was 6.7 MB. 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, 3.3s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s 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, 195 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 1640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 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...