./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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 /storage/repos/svcomp/c/float-benchs/nan_float_range_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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ..................................................................................................................................................................................................................... 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 /storage/repos/svcomp/c/float-benchs/nan_float_range_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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 08:28:04,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:28:04,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:28:04,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:28:04,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:28:04,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:28:04,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:28:04,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:28:04,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:28:04,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:28:04,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:28:04,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:28:04,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:28:04,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:28:04,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:28:04,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:28:04,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:28:04,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:28:04,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:28:04,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:28:04,455 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:28:04,456 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:28:04,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:28:04,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:28:04,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:28:04,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:28:04,462 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:28:04,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:28:04,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:28:04,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:28:04,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:28:04,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:28:04,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:28:04,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:28:04,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:28:04,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:28:04,469 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 08:28:04,489 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:28:04,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:28:04,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:28:04,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:28:04,491 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:28:04,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:28:04,492 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:28:04,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 08:28:04,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:28:04,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:28:04,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:28:04,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:28:04,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:28:04,494 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:28:04,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:28:04,495 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:28:04,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:28:04,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:28:04,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:28:04,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:28:04,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:28:04,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:28:04,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:28:04,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:28:04,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:28:04,498 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 08:28:04,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:28:04,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 08:28:04,499 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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2019-01-12 08:28:04,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:28:04,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:28:04,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:28:04,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:28:04,566 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:28:04,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2019-01-12 08:28:04,642 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d06c70e05/eeaf536ebcde480fbfc941fa80f77ffe/FLAG1617b2e9e [2019-01-12 08:28:05,053 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:28:05,054 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2019-01-12 08:28:05,059 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d06c70e05/eeaf536ebcde480fbfc941fa80f77ffe/FLAG1617b2e9e [2019-01-12 08:28:05,435 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d06c70e05/eeaf536ebcde480fbfc941fa80f77ffe [2019-01-12 08:28:05,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:28:05,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:28:05,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:28:05,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:28:05,445 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:28:05,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aef9ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05, skipping insertion in model container [2019-01-12 08:28:05,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:28:05,477 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:28:05,695 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:28:05,700 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 08:28:05,717 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:28:05,733 INFO L195 MainTranslator]: Completed translation [2019-01-12 08:28:05,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05 WrapperNode [2019-01-12 08:28:05,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 08:28:05,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 08:28:05,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 08:28:05,735 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 08:28:05,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 08:28:05,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 08:28:05,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 08:28:05,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 08:28:05,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (1/1) ... [2019-01-12 08:28:05,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 08:28:05,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 08:28:05,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 08:28:05,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 08:28:05,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (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 [2019-01-12 08:28:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 08:28:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:28:06,255 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:28:06,255 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-12 08:28:06,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:28:06 BoogieIcfgContainer [2019-01-12 08:28:06,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:28:06,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:28:06,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:28:06,265 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:28:06,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 08:28:05" (1/3) ... [2019-01-12 08:28:06,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf43785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:28:06, skipping insertion in model container [2019-01-12 08:28:06,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:05" (2/3) ... [2019-01-12 08:28:06,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf43785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:28:06, skipping insertion in model container [2019-01-12 08:28:06,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:28:06" (3/3) ... [2019-01-12 08:28:06,271 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2019-01-12 08:28:06,283 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:28:06,293 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 08:28:06,313 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 08:28:06,353 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:28:06,353 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:28:06,353 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:28:06,354 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:28:06,354 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:28:06,354 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:28:06,354 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:28:06,354 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:28:06,354 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:28:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-01-12 08:28:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 08:28:06,383 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:28:06,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 08:28:06,391 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:28:06,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:28:06,398 INFO L82 PathProgramCache]: Analyzing trace with hash 957382, now seen corresponding path program 1 times [2019-01-12 08:28:06,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 08:28:06,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 08:28:06,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 08:28:06,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:28:06,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 08:28:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 08:28:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 08:28:06,491 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 08:28:06,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 08:28:06 BoogieIcfgContainer [2019-01-12 08:28:06,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 08:28:06,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 08:28:06,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 08:28:06,508 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 08:28:06,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:28:06" (3/4) ... [2019-01-12 08:28:06,513 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 08:28:06,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 08:28:06,514 INFO L168 Benchmark]: Toolchain (without parser) took 1074.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 55.6 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -68.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:06,516 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:06,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.57 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:06,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:06,519 INFO L168 Benchmark]: Boogie Preprocessor took 26.56 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:06,520 INFO L168 Benchmark]: RCFGBuilder took 455.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 55.6 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:06,521 INFO L168 Benchmark]: TraceAbstraction took 246.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:06,522 INFO L168 Benchmark]: Witness Printer took 4.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:06,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.57 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.56 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 455.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 55.6 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 246.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 [L6] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 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=9occurred 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, 4 NumberOfCodeBlocks, 4 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 0.1.24-0ed9222-m [2019-01-12 08:28:08,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:28:08,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:28:08,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:28:08,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:28:08,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:28:08,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:28:08,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:28:08,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:28:08,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:28:08,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:28:08,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:28:08,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:28:08,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:28:08,856 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:28:08,857 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:28:08,858 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:28:08,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:28:08,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:28:08,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:28:08,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:28:08,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:28:08,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:28:08,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:28:08,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:28:08,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:28:08,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:28:08,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:28:08,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:28:08,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:28:08,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:28:08,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:28:08,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:28:08,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:28:08,880 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:28:08,881 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:28:08,882 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 08:28:08,898 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:28:08,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:28:08,900 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:28:08,900 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:28:08,900 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:28:08,901 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:28:08,901 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:28:08,902 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:28:08,902 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:28:08,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:28:08,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:28:08,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:28:08,903 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 08:28:08,903 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 08:28:08,904 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:28:08,904 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:28:08,904 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:28:08,904 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:28:08,904 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:28:08,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:28:08,905 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:28:08,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:28:08,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:28:08,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:28:08,905 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:28:08,906 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:28:08,907 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 08:28:08,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:28:08,908 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 08:28:08,908 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 08:28:08,908 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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2019-01-12 08:28:08,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:28:08,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:28:08,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:28:08,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:28:08,976 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:28:08,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2019-01-12 08:28:09,047 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c441a43/01a6318cb6f14c51820d15af56c228cd/FLAG1d6d7809e [2019-01-12 08:28:09,448 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:28:09,449 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2019-01-12 08:28:09,456 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c441a43/01a6318cb6f14c51820d15af56c228cd/FLAG1d6d7809e [2019-01-12 08:28:09,826 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c441a43/01a6318cb6f14c51820d15af56c228cd [2019-01-12 08:28:09,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:28:09,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:28:09,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:28:09,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:28:09,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:28:09,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:28:09" (1/1) ... [2019-01-12 08:28:09,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3860a044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:09, skipping insertion in model container [2019-01-12 08:28:09,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:28:09" (1/1) ... [2019-01-12 08:28:09,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:28:09,864 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:28:10,030 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:28:10,040 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 08:28:10,056 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:28:10,072 INFO L195 MainTranslator]: Completed translation [2019-01-12 08:28:10,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10 WrapperNode [2019-01-12 08:28:10,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 08:28:10,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 08:28:10,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 08:28:10,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 08:28:10,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 08:28:10,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 08:28:10,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 08:28:10,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 08:28:10,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (1/1) ... [2019-01-12 08:28:10,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 08:28:10,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 08:28:10,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 08:28:10,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 08:28:10,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (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 [2019-01-12 08:28:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 08:28:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:28:10,617 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:28:10,617 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-12 08:28:10,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:28:10 BoogieIcfgContainer [2019-01-12 08:28:10,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:28:10,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:28:10,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:28:10,622 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:28:10,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 08:28:09" (1/3) ... [2019-01-12 08:28:10,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646ffa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:28:10, skipping insertion in model container [2019-01-12 08:28:10,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:28:10" (2/3) ... [2019-01-12 08:28:10,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646ffa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:28:10, skipping insertion in model container [2019-01-12 08:28:10,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:28:10" (3/3) ... [2019-01-12 08:28:10,625 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2019-01-12 08:28:10,634 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:28:10,641 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 08:28:10,655 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 08:28:10,686 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:28:10,687 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:28:10,687 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:28:10,687 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:28:10,687 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:28:10,688 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:28:10,688 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:28:10,688 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:28:10,688 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:28:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-01-12 08:28:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-12 08:28:10,709 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:28:10,710 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-12 08:28:10,712 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:28:10,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:28:10,719 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2019-01-12 08:28:10,723 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 08:28:10,724 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 [2019-01-12 08:28:10,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:28:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 08:28:10,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 08:28:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 08:28:10,995 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 08:28:11,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 08:28:11,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 08:28:11,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 08:28:11,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 08:28:11,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 08:28:11,025 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-01-12 08:28:11,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 08:28:11,046 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-01-12 08:28:11,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 08:28:11,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-12 08:28:11,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 08:28:11,057 INFO L225 Difference]: With dead ends: 18 [2019-01-12 08:28:11,057 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 08:28:11,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 08:28:11,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 08:28:11,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 08:28:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 08:28:11,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 08:28:11,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-01-12 08:28:11,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 08:28:11,089 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 08:28:11,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 08:28:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 08:28:11,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 08:28:11,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 08:28:11,132 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 08:28:11,132 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 08:28:11,132 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 08:28:11,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 08:28:11,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-01-12 08:28:11,134 INFO L451 ceAbstractionStarter]: At program point L16(lines 8 17) the Hoare annotation is: true [2019-01-12 08:28:11,134 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2019-01-12 08:28:11,134 INFO L451 ceAbstractionStarter]: At program point L13-1(lines 13 15) the Hoare annotation is: true [2019-01-12 08:28:11,134 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-01-12 08:28:11,135 INFO L448 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-01-12 08:28:11,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 08:28:11 BoogieIcfgContainer [2019-01-12 08:28:11,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 08:28:11,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 08:28:11,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 08:28:11,141 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 08:28:11,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:28:10" (3/4) ... [2019-01-12 08:28:11,146 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 08:28:11,158 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 08:28:11,158 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 08:28:11,158 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 08:28:11,202 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 08:28:11,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 08:28:11,204 INFO L168 Benchmark]: Toolchain (without parser) took 1374.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:11,206 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:11,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.36 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:11,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:11,208 INFO L168 Benchmark]: Boogie Preprocessor took 22.27 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:28:11,208 INFO L168 Benchmark]: RCFGBuilder took 485.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:11,209 INFO L168 Benchmark]: TraceAbstraction took 521.42 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:11,210 INFO L168 Benchmark]: Witness Printer took 62.04 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 08:28:11,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.36 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.27 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 485.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 521.42 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Witness Printer took 62.04 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 3 NumberOfNonLiveVariables, 10 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...