./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0620a_true-unreach-call.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-newlib/float_req_bl_0620a_true-unreach-call.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 bc7b929d20445456da87d92c4566355380c50982 ...................................................................................................................................................................................................................................................................................................... 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-newlib/float_req_bl_0620a_true-unreach-call.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 bc7b929d20445456da87d92c4566355380c50982 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:11:24,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:11:24,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:11:24,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:11:24,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:11:24,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:11:24,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:11:24,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:11:24,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:11:24,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:11:24,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:11:24,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:11:24,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:11:24,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:11:24,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:11:24,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:11:24,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:11:24,605 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:11:24,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:11:24,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:11:24,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:11:24,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:11:24,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:11:24,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:11:24,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:11:24,617 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:11:24,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:11:24,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:11:24,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:11:24,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:11:24,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:11:24,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:11:24,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:11:24,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:11:24,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:11:24,626 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:11:24,626 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:11:24,655 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:11:24,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:11:24,661 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:11:24,661 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:11:24,661 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:11:24,662 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:11:24,662 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:11:24,662 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:11:24,662 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:11:24,662 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:11:24,662 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:11:24,663 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:11:24,664 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:11:24,664 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:11:24,664 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:11:24,664 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:11:24,664 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:11:24,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:11:24,667 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:11:24,667 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:11:24,667 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:11:24,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:11:24,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:11:24,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:11:24,668 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:11:24,668 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:11:24,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:11:24,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:11:24,668 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 -> bc7b929d20445456da87d92c4566355380c50982 [2019-01-12 09:11:24,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:11:24,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:11:24,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:11:24,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:11:24,742 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:11:24,742 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2019-01-12 09:11:24,804 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4a4c7d3/de382a6296904e98933aeb3f1f14a1a6/FLAGcd719cf5c [2019-01-12 09:11:25,270 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:11:25,271 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2019-01-12 09:11:25,279 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4a4c7d3/de382a6296904e98933aeb3f1f14a1a6/FLAGcd719cf5c [2019-01-12 09:11:25,618 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4a4c7d3/de382a6296904e98933aeb3f1f14a1a6 [2019-01-12 09:11:25,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:11:25,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:11:25,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:25,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:11:25,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:11:25,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:25,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc26039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25, skipping insertion in model container [2019-01-12 09:11:25,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:25,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:11:25,681 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:11:25,907 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:25,925 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:11:25,971 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:25,997 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:11:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25 WrapperNode [2019-01-12 09:11:25,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:25,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:25,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:11:25,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:11:26,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:26,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:11:26,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:11:26,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:11:26,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (1/1) ... [2019-01-12 09:11:26,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:11:26,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:11:26,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:11:26,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:11:26,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (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 09:11:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:11:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:11:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:11:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:11:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:11:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:11:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:11:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:11:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:11:26,874 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:11:26,875 INFO L286 CfgBuilder]: Removed 18 assue(true) statements. [2019-01-12 09:11:26,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:26 BoogieIcfgContainer [2019-01-12 09:11:26,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:11:26,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:11:26,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:11:26,881 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:11:26,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:11:25" (1/3) ... [2019-01-12 09:11:26,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9366c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:26, skipping insertion in model container [2019-01-12 09:11:26,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:25" (2/3) ... [2019-01-12 09:11:26,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9366c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:26, skipping insertion in model container [2019-01-12 09:11:26,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:26" (3/3) ... [2019-01-12 09:11:26,886 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a_true-unreach-call.c [2019-01-12 09:11:26,897 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:11:26,907 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:11:26,927 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:11:26,961 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:11:26,961 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:11:26,962 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:11:26,962 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:11:26,962 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:11:26,963 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:11:26,963 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:11:26,963 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:11:26,963 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:11:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-01-12 09:11:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:11:26,983 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:26,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:26,986 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:26,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1030429181, now seen corresponding path program 1 times [2019-01-12 09:11:26,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:11:26,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:11:27,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:27,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:27,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:27,137 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 09:11:27,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:27,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:11:27,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:11:27,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:11:27,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:27,157 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-01-12 09:11:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:27,173 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2019-01-12 09:11:27,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:11:27,175 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:11:27,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:27,186 INFO L225 Difference]: With dead ends: 72 [2019-01-12 09:11:27,186 INFO L226 Difference]: Without dead ends: 34 [2019-01-12 09:11:27,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:27,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-12 09:11:27,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-12 09:11:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-12 09:11:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-01-12 09:11:27,220 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 10 [2019-01-12 09:11:27,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:27,220 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-01-12 09:11:27,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:11:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2019-01-12 09:11:27,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:11:27,221 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:27,222 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:27,222 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:27,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:27,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1304878016, now seen corresponding path program 1 times [2019-01-12 09:11:27,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:11:27,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:11:27,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:27,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:27,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:11:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:11:27,405 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:11:27,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:11:27 BoogieIcfgContainer [2019-01-12 09:11:27,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:11:27,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:11:27,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:11:27,453 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:11:27,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:26" (3/4) ... [2019-01-12 09:11:27,459 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:11:27,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:11:27,460 INFO L168 Benchmark]: Toolchain (without parser) took 1837.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -108.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:27,463 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 09:11:27,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.80 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:27,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 936.5 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:27,467 INFO L168 Benchmark]: Boogie Preprocessor took 44.64 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. [2019-01-12 09:11:27,467 INFO L168 Benchmark]: RCFGBuilder took 702.58 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:27,468 INFO L168 Benchmark]: TraceAbstraction took 573.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:27,470 INFO L168 Benchmark]: Witness Printer took 7.04 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. [2019-01-12 09:11:27,475 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 372.80 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 130.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 936.5 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.64 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. * RCFGBuilder took 702.58 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 573.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.04 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: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = 0.0f; [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (hx) = gf_u.word [L62] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] COND TRUE ix >= 0x50800000 VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] return x + x; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] float res = atan_float(x); [L141] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L141] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L142] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 09:11:29,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:11:29,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:11:29,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:11:29,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:11:29,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:11:29,915 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:11:29,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:11:29,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:11:29,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:11:29,926 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:11:29,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:11:29,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:11:29,930 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:11:29,934 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:11:29,935 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:11:29,936 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:11:29,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:11:29,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:11:29,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:11:29,959 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:11:29,960 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:11:29,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:11:29,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:11:29,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:11:29,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:11:29,971 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:11:29,971 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:11:29,975 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:11:29,978 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:11:29,978 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:11:29,979 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:11:29,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:11:29,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:11:29,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:11:29,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:11:29,983 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:11:30,015 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:11:30,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:11:30,018 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:11:30,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:11:30,019 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:11:30,019 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:11:30,020 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:11:30,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:11:30,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:11:30,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:11:30,021 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:11:30,021 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:11:30,022 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:11:30,022 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:11:30,022 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:11:30,023 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:11:30,023 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:11:30,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:11:30,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:11:30,024 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:11:30,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:11:30,024 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:11:30,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:11:30,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:11:30,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:11:30,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:11:30,027 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:11:30,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:11:30,028 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:11:30,028 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:11:30,028 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> bc7b929d20445456da87d92c4566355380c50982 [2019-01-12 09:11:30,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:11:30,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:11:30,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:11:30,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:11:30,104 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:11:30,105 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2019-01-12 09:11:30,176 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff796d145/e6ff26ef32fa4f2d80e16786461a8f27/FLAGce5ac19c5 [2019-01-12 09:11:30,643 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:11:30,646 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2019-01-12 09:11:30,656 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff796d145/e6ff26ef32fa4f2d80e16786461a8f27/FLAGce5ac19c5 [2019-01-12 09:11:30,968 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff796d145/e6ff26ef32fa4f2d80e16786461a8f27 [2019-01-12 09:11:30,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:11:30,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:11:30,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:30,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:11:30,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:11:30,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:30" (1/1) ... [2019-01-12 09:11:30,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c80fa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:30, skipping insertion in model container [2019-01-12 09:11:30,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:30" (1/1) ... [2019-01-12 09:11:30,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:11:31,022 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:11:31,356 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:31,374 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:11:31,428 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:31,462 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:11:31,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31 WrapperNode [2019-01-12 09:11:31,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:31,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:31,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:11:31,464 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:11:31,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:31,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:11:31,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:11:31,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:11:31,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (1/1) ... [2019-01-12 09:11:31,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:11:31,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:11:31,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:11:31,683 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:11:31,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (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 09:11:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-01-12 09:11:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:11:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:11:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:11:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:11:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:11:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:11:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:11:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:11:32,036 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:32,132 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:32,622 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:41,070 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:41,122 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:11:41,123 INFO L286 CfgBuilder]: Removed 18 assue(true) statements. [2019-01-12 09:11:41,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:41 BoogieIcfgContainer [2019-01-12 09:11:41,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:11:41,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:11:41,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:11:41,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:11:41,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:11:30" (1/3) ... [2019-01-12 09:11:41,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d801f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:41, skipping insertion in model container [2019-01-12 09:11:41,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:31" (2/3) ... [2019-01-12 09:11:41,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d801f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:41, skipping insertion in model container [2019-01-12 09:11:41,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:41" (3/3) ... [2019-01-12 09:11:41,137 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a_true-unreach-call.c [2019-01-12 09:11:41,148 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:11:41,157 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:11:41,177 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:11:41,202 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:11:41,202 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:11:41,203 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:11:41,203 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:11:41,203 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:11:41,203 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:11:41,203 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:11:41,203 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:11:41,204 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:11:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-01-12 09:11:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:11:41,228 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:41,229 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:41,231 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:41,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:41,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1030429181, now seen corresponding path program 1 times [2019-01-12 09:11:41,241 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:41,241 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 09:11:41,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:41,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:41,405 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 09:11:41,406 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:41,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:41,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:11:41,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:11:41,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:11:41,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:41,441 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-01-12 09:11:41,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:41,459 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2019-01-12 09:11:41,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:11:41,461 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:11:41,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:41,473 INFO L225 Difference]: With dead ends: 72 [2019-01-12 09:11:41,473 INFO L226 Difference]: Without dead ends: 34 [2019-01-12 09:11:41,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-12 09:11:41,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-12 09:11:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-12 09:11:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-01-12 09:11:41,510 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 10 [2019-01-12 09:11:41,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:41,510 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-01-12 09:11:41,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:11:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2019-01-12 09:11:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:11:41,512 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:41,512 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:41,512 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:41,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1304878016, now seen corresponding path program 1 times [2019-01-12 09:11:41,515 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:41,515 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:11:41,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:41,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:41,907 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 09:11:41,908 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:41,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:41,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:11:41,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:11:41,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:11:41,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:11:41,928 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand 5 states. [2019-01-12 09:11:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:47,309 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2019-01-12 09:11:47,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:11:47,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 09:11:47,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:47,311 INFO L225 Difference]: With dead ends: 57 [2019-01-12 09:11:47,312 INFO L226 Difference]: Without dead ends: 32 [2019-01-12 09:11:47,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:11:47,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-12 09:11:47,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2019-01-12 09:11:47,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-12 09:11:47,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-01-12 09:11:47,318 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 11 [2019-01-12 09:11:47,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:47,318 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-01-12 09:11:47,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:11:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-01-12 09:11:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 09:11:47,319 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:47,320 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:47,320 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:47,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:47,320 INFO L82 PathProgramCache]: Analyzing trace with hash -413875709, now seen corresponding path program 1 times [2019-01-12 09:11:47,321 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:47,321 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:11:47,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:47,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:47,609 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 09:11:47,609 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:47,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:47,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:11:47,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:11:47,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:11:47,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:11:47,626 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2019-01-12 09:11:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:51,493 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-01-12 09:11:51,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:11:51,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-01-12 09:11:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:51,496 INFO L225 Difference]: With dead ends: 35 [2019-01-12 09:11:51,496 INFO L226 Difference]: Without dead ends: 32 [2019-01-12 09:11:51,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:11:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-12 09:11:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2019-01-12 09:11:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-12 09:11:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-01-12 09:11:51,503 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2019-01-12 09:11:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:51,503 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-01-12 09:11:51,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:11:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-01-12 09:11:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 09:11:51,504 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:51,504 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:51,504 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1848532469, now seen corresponding path program 1 times [2019-01-12 09:11:51,505 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:51,505 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:11:51,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:52,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:52,766 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 09:11:52,766 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:52,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:52,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:11:52,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:11:52,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:11:52,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:11:52,795 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 4 states. [2019-01-12 09:11:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:52,860 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-01-12 09:11:52,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:11:52,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-01-12 09:11:52,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:52,867 INFO L225 Difference]: With dead ends: 32 [2019-01-12 09:11:52,867 INFO L226 Difference]: Without dead ends: 18 [2019-01-12 09:11:52,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:11:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-01-12 09:11:52,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-01-12 09:11:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-12 09:11:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-01-12 09:11:52,873 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2019-01-12 09:11:52,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:52,873 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-01-12 09:11:52,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:11:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-01-12 09:11:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:11:52,875 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:52,875 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:52,876 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:52,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:52,876 INFO L82 PathProgramCache]: Analyzing trace with hash 712330328, now seen corresponding path program 1 times [2019-01-12 09:11:52,877 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:52,877 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-01-12 09:11:52,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:53,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:53,354 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 09:11:53,354 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:53,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:53,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-12 09:11:53,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-12 09:11:53,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-12 09:11:53,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:11:53,371 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 9 states. [2019-01-12 09:11:53,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:53,728 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-01-12 09:11:53,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-12 09:11:53,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-01-12 09:11:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:53,730 INFO L225 Difference]: With dead ends: 18 [2019-01-12 09:11:53,730 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:11:53,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-01-12 09:11:53,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:11:53,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:11:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:11:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:11:53,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-01-12 09:11:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:53,732 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:11:53,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-12 09:11:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:11:53,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:11:53,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:11:53,942 WARN L181 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-01-12 09:11:54,071 INFO L444 ceAbstractionStarter]: At program point L126(lines 117 127) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) |ULTIMATE.start_main_#t~short29| (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_atan_float_~x) (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (= |ULTIMATE.start_atan_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2019-01-12 09:11:54,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:11:54,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:11:54,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2019-01-12 09:11:54,071 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:11:54,072 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) |ULTIMATE.start_main_#t~short29| (= (_ +zero 8 24) ULTIMATE.start_atan_float_~x) (= |ULTIMATE.start_atan_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2019-01-12 09:11:54,072 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2019-01-12 09:11:54,072 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:11:54,072 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2019-01-12 09:11:54,072 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2019-01-12 09:11:54,072 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2019-01-12 09:11:54,072 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2019-01-12 09:11:54,073 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2019-01-12 09:11:54,073 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2019-01-12 09:11:54,073 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2019-01-12 09:11:54,073 INFO L451 ceAbstractionStarter]: At program point L146(lines 129 147) the Hoare annotation is: true [2019-01-12 09:11:54,073 INFO L448 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2019-01-12 09:11:54,073 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2019-01-12 09:11:54,073 INFO L448 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2019-01-12 09:11:54,074 INFO L444 ceAbstractionStarter]: At program point L113-3(lines 53 115) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= (_ +zero 8 24) ULTIMATE.start_atan_float_~x) (= |ULTIMATE.start_atan_float_#res| (_ +zero 8 24))) [2019-01-12 09:11:54,074 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2019-01-12 09:11:54,074 INFO L448 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2019-01-12 09:11:54,074 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2019-01-12 09:11:54,074 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2019-01-12 09:11:54,074 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:11:54,075 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2019-01-12 09:11:54,075 INFO L444 ceAbstractionStarter]: At program point L57-2(lines 57 61) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= (_ +zero 8 24) ULTIMATE.start_atan_float_~x)) [2019-01-12 09:11:54,075 INFO L448 ceAbstractionStarter]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2019-01-12 09:11:54,075 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-01-12 09:11:54,075 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2019-01-12 09:11:54,075 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2019-01-12 09:11:54,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:11:54,076 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-01-12 09:11:54,076 INFO L448 ceAbstractionStarter]: For program point L141-2(lines 141 144) no Hoare annotation was computed. [2019-01-12 09:11:54,076 INFO L444 ceAbstractionStarter]: At program point L26(lines 14 27) the Hoare annotation is: false [2019-01-12 09:11:54,076 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-01-12 09:11:54,076 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2019-01-12 09:11:54,090 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,091 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,091 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,092 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,099 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,100 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,100 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,108 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,110 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,111 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,111 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,111 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,112 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,114 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,114 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,115 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,117 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,118 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,119 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,120 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:11:54 BoogieIcfgContainer [2019-01-12 09:11:54,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:11:54,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:11:54,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:11:54,124 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:11:54,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:41" (3/4) ... [2019-01-12 09:11:54,130 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:11:54,146 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:11:54,148 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:11:54,149 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:11:54,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE() [2019-01-12 09:11:54,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2019-01-12 09:11:54,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result) && \result == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2019-01-12 09:11:54,249 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:11:54,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:11:54,251 INFO L168 Benchmark]: Toolchain (without parser) took 23277.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.7 MB in the beginning and 892.1 MB in the end (delta: 60.6 MB). Peak memory consumption was 158.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:54,252 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 09:11:54,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.71 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:54,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:54,253 INFO L168 Benchmark]: Boogie Preprocessor took 66.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:11:54,254 INFO L168 Benchmark]: RCFGBuilder took 9448.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:54,255 INFO L168 Benchmark]: TraceAbstraction took 12998.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 898.9 MB in the end (delta: 145.3 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:54,256 INFO L168 Benchmark]: Witness Printer took 125.94 ms. Allocated memory is still 1.1 GB. Free memory was 898.9 MB in the beginning and 892.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:54,259 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 487.71 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9448.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12998.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 898.9 MB in the end (delta: 145.3 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. * Witness Printer took 125.94 ms. Allocated memory is still 1.1 GB. Free memory was 898.9 MB in the beginning and 892.1 MB 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2019-01-12 09:11:54,266 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,266 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,275 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,275 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,276 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,276 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,277 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,277 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 57]: Loop Invariant [2019-01-12 09:11:54,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,280 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,280 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,281 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,281 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant [2019-01-12 09:11:54,281 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,282 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,282 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,282 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,282 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,286 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,286 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,286 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2019-01-12 09:11:54,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,288 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,291 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,292 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,292 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:54,292 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result) && \result == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 9.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 123 SDslu, 128 SDs, 0 SdLazy, 65 SolverSat, 10 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 110 HoareAnnotationTreeSize, 7 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 1 QuantifiedInterpolants, 3931 SizeOfPredicates, 25 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...