/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621a_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 cd7d022a1ff6fee6b2d925b7876c30126acc994c ........................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621a_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 cd7d022a1ff6fee6b2d925b7876c30126acc994c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:14:08,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:14:08,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:14:08,224 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:14:08,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:14:08,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:14:08,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:14:08,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:14:08,234 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:14:08,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:14:08,238 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:14:08,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:14:08,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:14:08,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:14:08,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:14:08,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:14:08,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:14:08,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:14:08,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:14:08,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:14:08,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:14:08,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:14:08,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:14:08,275 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:14:08,275 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:14:08,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:14:08,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:14:08,283 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:14:08,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:14:08,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:14:08,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:14:08,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:14:08,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:14:08,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:14:08,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:14:08,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:14:08,292 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:14:08,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:14:08,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:14:08,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:14:08,318 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:14:08,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:14:08,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:14:08,319 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:14:08,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:14:08,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:14:08,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:14:08,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:14:08,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:14:08,320 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:14:08,320 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:14:08,320 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:14:08,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:14:08,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:14:08,321 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:14:08,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:14:08,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:14:08,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:14:08,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:14:08,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:14:08,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:14:08,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:14:08,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:14:08,322 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:14:08,322 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:14:08,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:14:08,323 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 -> cd7d022a1ff6fee6b2d925b7876c30126acc994c [2018-09-20 15:14:08,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:14:08,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:14:08,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:14:08,418 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:14:08,419 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:14:08,420 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-09-20 15:14:08,811 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855bd5f15/ba8017496fca43d0becf2ed3fc5e9b45/FLAG395ce0970 [2018-09-20 15:14:08,996 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:14:08,997 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-09-20 15:14:09,006 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855bd5f15/ba8017496fca43d0becf2ed3fc5e9b45/FLAG395ce0970 [2018-09-20 15:14:09,021 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855bd5f15/ba8017496fca43d0becf2ed3fc5e9b45 [2018-09-20 15:14:09,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:14:09,030 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:14:09,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:09,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:14:09,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:14:09,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b3ca2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09, skipping insertion in model container [2018-09-20 15:14:09,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,056 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:14:09,286 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:09,308 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:14:09,336 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:09,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09 WrapperNode [2018-09-20 15:14:09,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:09,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:14:09,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:14:09,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:14:09,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... [2018-09-20 15:14:09,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:14:09,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:14:09,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:14:09,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:14:09,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:14:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:14:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:14:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:14:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:14:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:14:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:14:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:14:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:14:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:14:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:14:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:14:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:14:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:14:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:14:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:14:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:14:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:14:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:14:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:14:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:14:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:14:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:14:10,300 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:14:10,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:10 BoogieIcfgContainer [2018-09-20 15:14:10,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:14:10,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:14:10,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:14:10,306 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:14:10,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:14:09" (1/3) ... [2018-09-20 15:14:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34769822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:10, skipping insertion in model container [2018-09-20 15:14:10,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:09" (2/3) ... [2018-09-20 15:14:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34769822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:10, skipping insertion in model container [2018-09-20 15:14:10,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:10" (3/3) ... [2018-09-20 15:14:10,310 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a_true-unreach-call.c [2018-09-20 15:14:10,320 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:14:10,329 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:14:10,379 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:14:10,380 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:14:10,380 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:14:10,380 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:14:10,380 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:14:10,380 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:14:10,381 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:14:10,381 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:14:10,381 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:14:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-09-20 15:14:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:14:10,409 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:10,410 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:10,412 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:10,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1907182082, now seen corresponding path program 1 times [2018-09-20 15:14:10,422 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:14:10,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:14:10,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:10,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:10,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:14:10,610 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:10,610 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:14:10,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:14:10,630 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:14:10,632 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:14:10,635 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-09-20 15:14:10,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:10,667 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2018-09-20 15:14:10,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:14:10,669 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:14:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:10,680 INFO L225 Difference]: With dead ends: 130 [2018-09-20 15:14:10,681 INFO L226 Difference]: Without dead ends: 65 [2018-09-20 15:14:10,685 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:14:10,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-20 15:14:10,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-09-20 15:14:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-09-20 15:14:10,731 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 17 [2018-09-20 15:14:10,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:10,731 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-09-20 15:14:10,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:14:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-09-20 15:14:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:14:10,733 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:10,733 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:10,734 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:10,735 INFO L82 PathProgramCache]: Analyzing trace with hash -26949235, now seen corresponding path program 1 times [2018-09-20 15:14:10,735 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:14:10,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:14:10,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:10,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:10,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:14:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:14:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:14:10,862 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:14:10,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:14:10 BoogieIcfgContainer [2018-09-20 15:14:10,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:14:10,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:14:10,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:14:10,902 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:14:10,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:10" (3/4) ... [2018-09-20 15:14:10,908 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:14:10,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:14:10,909 INFO L168 Benchmark]: Toolchain (without parser) took 1882.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:10,911 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:14:10,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.87 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:10,913 INFO L168 Benchmark]: Boogie Preprocessor took 54.72 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:10,914 INFO L168 Benchmark]: RCFGBuilder took 877.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:10,916 INFO L168 Benchmark]: TraceAbstraction took 599.61 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:14:10,916 INFO L168 Benchmark]: Witness Printer took 6.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:14:10,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.87 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.72 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 877.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 599.61 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.29 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: 131]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 68. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L46-L50] 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, }; [L52-L54] 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 [\old(huge_atan)=26, \old(huge_floor)=22, \old(one_atan)=13, \old(pi)=23, \old(pi_o_2)=14, \old(pi_o_4)=19, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L127] float x = 1.0f / 0.0f; VAL [huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L128] CALL, EXPR atan_float(x) VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L57] float w, s1, s2, z; [L58] __int32_t ix, hx, id; VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L61] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=21, gf_u={17:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L62] FCALL gf_u.value = (x) VAL [\old(x)=21, gf_u={17:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L63] EXPR, FCALL gf_u.word VAL [\old(x)=21, gf_u={17:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L63] (hx) = gf_u.word VAL [\old(x)=21, gf_u={17:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L63] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=20, \old(x)=21, gf_u={17:0}, gf_u.word=12, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L64] COND FALSE !(0) VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L65] ix = hx & 0x7fffffff VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L66] COND TRUE ix >= 0x50800000 VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L67] COND TRUE ((ix) > 0x7f800000L) [L68] RET return x + x; VAL [\old(x)=21, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=12, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L128] EXPR atan_float(x) VAL [atan_float(x)=18, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=21] [L128] float res = atan_float(x); [L130] COND TRUE res != pi_o_2 VAL [huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=18, x=21] [L131] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=18, x=21] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 72 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 79 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=69occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 0.1.23-40ef509 [2018-09-20 15:14:13,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:14:13,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:14:13,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:14:13,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:14:13,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:14:13,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:14:13,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:14:13,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:14:13,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:14:13,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:14:13,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:14:13,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:14:13,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:14:13,338 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:14:13,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:14:13,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:14:13,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:14:13,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:14:13,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:14:13,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:14:13,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:14:13,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:14:13,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:14:13,352 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:14:13,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:14:13,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:14:13,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:14:13,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:14:13,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:14:13,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:14:13,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:14:13,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:14:13,360 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:14:13,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:14:13,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:14:13,366 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:14:13,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:14:13,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:14:13,396 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:14:13,396 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:14:13,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:14:13,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:14:13,397 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:14:13,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:14:13,397 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:14:13,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:14:13,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:14:13,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:14:13,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:14:13,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:14:13,402 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:14:13,402 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:14:13,402 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:14:13,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:14:13,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:14:13,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:14:13,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:14:13,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:14:13,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:14:13,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:14:13,405 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:14:13,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:14:13,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:14:13,405 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:14:13,406 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:14:13,406 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:14:13,406 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:14:13,406 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 -> cd7d022a1ff6fee6b2d925b7876c30126acc994c [2018-09-20 15:14:13,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:14:13,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:14:13,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:14:13,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:14:13,486 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:14:13,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-09-20 15:14:13,855 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7af6138c/d0a1f44c97144a0187dfd4dfe8a903cb/FLAG59c3f1645 [2018-09-20 15:14:14,042 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:14:14,043 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-09-20 15:14:14,052 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7af6138c/d0a1f44c97144a0187dfd4dfe8a903cb/FLAG59c3f1645 [2018-09-20 15:14:14,070 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7af6138c/d0a1f44c97144a0187dfd4dfe8a903cb [2018-09-20 15:14:14,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:14:14,078 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:14:14,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:14,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:14:14,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:14:14,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b98c1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14, skipping insertion in model container [2018-09-20 15:14:14,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,104 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:14:14,380 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:14,422 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:14:14,461 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:14:14,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14 WrapperNode [2018-09-20 15:14:14,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:14:14,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:14:14,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:14:14,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:14:14,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... [2018-09-20 15:14:14,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:14:14,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:14:14,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:14:14,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:14:14,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:14:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:14:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:14:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:14:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:14:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-09-20 15:14:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:14:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:14:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:14:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:14:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:14:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:14:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:14:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:14:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:14:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:14:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:14:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-09-20 15:14:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:14:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:14:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:14:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:14:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:14:19,168 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:19,181 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:20,004 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:22,153 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:14:28,497 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:14:28,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:28 BoogieIcfgContainer [2018-09-20 15:14:28,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:14:28,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:14:28,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:14:28,503 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:14:28,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:14:14" (1/3) ... [2018-09-20 15:14:28,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152e2ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:28, skipping insertion in model container [2018-09-20 15:14:28,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:14:14" (2/3) ... [2018-09-20 15:14:28,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152e2ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:14:28, skipping insertion in model container [2018-09-20 15:14:28,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:28" (3/3) ... [2018-09-20 15:14:28,507 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a_true-unreach-call.c [2018-09-20 15:14:28,516 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:14:28,523 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:14:28,580 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:14:28,581 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:14:28,582 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:14:28,582 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:14:28,582 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:14:28,582 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:14:28,582 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:14:28,582 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:14:28,583 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:14:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-09-20 15:14:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:14:28,611 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:28,612 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:28,615 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1907182082, now seen corresponding path program 1 times [2018-09-20 15:14:28,625 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:28,625 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:14:28,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:28,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:14:28,762 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:14:28,781 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:28,781 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:14:28,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:14:28,799 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:14:28,800 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:14:28,802 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-09-20 15:14:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:28,830 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2018-09-20 15:14:28,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:14:28,832 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:14:28,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:28,845 INFO L225 Difference]: With dead ends: 130 [2018-09-20 15:14:28,845 INFO L226 Difference]: Without dead ends: 65 [2018-09-20 15:14:28,849 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:14:28,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-20 15:14:28,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-09-20 15:14:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-09-20 15:14:28,903 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 17 [2018-09-20 15:14:28,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:28,903 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-09-20 15:14:28,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:14:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-09-20 15:14:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:14:28,905 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:28,905 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:28,906 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:28,906 INFO L82 PathProgramCache]: Analyzing trace with hash -26949235, now seen corresponding path program 1 times [2018-09-20 15:14:28,907 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:28,908 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 [2018-09-20 15:14:28,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:29,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:29,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:14:29,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:14:29,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,212 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:14:29,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:14:29,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:14:29,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:14:29,347 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:14:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:14:29,763 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:14:29,778 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:14:29,779 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:14:29,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:14:29,781 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:14:29,782 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:14:29,782 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 9 states. [2018-09-20 15:14:46,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:14:46,116 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2018-09-20 15:14:46,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:14:46,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-09-20 15:14:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:14:46,178 INFO L225 Difference]: With dead ends: 75 [2018-09-20 15:14:46,178 INFO L226 Difference]: Without dead ends: 69 [2018-09-20 15:14:46,180 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:14:46,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-20 15:14:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-09-20 15:14:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:14:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2018-09-20 15:14:46,191 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 26 [2018-09-20 15:14:46,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:14:46,191 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2018-09-20 15:14:46,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:14:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-09-20 15:14:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:14:46,193 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:14:46,193 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:14:46,194 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:14:46,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1376969991, now seen corresponding path program 1 times [2018-09-20 15:14:46,195 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:14:46,195 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 [2018-09-20 15:14:46,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:14:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:14:46,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:14:48,314 INFO L303 Elim1Store]: Index analysis took 2019 ms [2018-09-20 15:14:48,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 34 [2018-09-20 15:14:52,366 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select v_arrayElimArr_1 (_ bv0 32))) [2018-09-20 15:14:52,368 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:14:52,370 INFO L303 Elim1Store]: Index analysis took 4053 ms [2018-09-20 15:14:52,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2018-09-20 15:14:54,650 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:14:56,661 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select v_arrayElimArr_2 (_ bv1 32))) [2018-09-20 15:14:56,662 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:14:58,671 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-20 15:14:58,672 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:14:58,674 INFO L303 Elim1Store]: Index analysis took 6300 ms [2018-09-20 15:14:58,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 76 [2018-09-20 15:15:01,221 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:01,888 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:02,082 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:03,895 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:04,136 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:06,080 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:06,083 INFO L303 Elim1Store]: Index analysis took 7404 ms [2018-09-20 15:15:06,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 121 [2018-09-20 15:15:06,087 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:17,816 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:27,174 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:33,826 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:42,804 INFO L303 Elim1Store]: Index analysis took 248 ms [2018-09-20 15:15:42,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 34 [2018-09-20 15:15:43,205 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:43,206 INFO L303 Elim1Store]: Index analysis took 400 ms [2018-09-20 15:15:43,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 46 [2018-09-20 15:15:43,849 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,084 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,179 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,181 INFO L303 Elim1Store]: Index analysis took 971 ms [2018-09-20 15:15:44,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 76 [2018-09-20 15:15:44,291 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,363 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,380 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,424 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,443 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,524 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:44,526 INFO L303 Elim1Store]: Index analysis took 340 ms [2018-09-20 15:15:44,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 121 [2018-09-20 15:15:44,530 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:44,666 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:44,729 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:44,797 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:44,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:44,929 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:70, output treesize:80 [2018-09-20 15:15:45,075 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-20 15:15:45,384 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-09-20 15:15:45,427 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,432 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,436 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,440 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,444 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,449 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 61 [2018-09-20 15:15:45,455 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:45,741 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,747 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,748 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,749 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,751 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,752 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:15:45,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 63 [2018-09-20 15:15:45,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:45,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:45,828 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:22 [2018-09-20 15:15:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:15:45,958 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:15:45,968 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:15:45,969 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:15:45,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:15:45,969 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:15:45,969 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:15:45,970 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand 6 states. [2018-09-20 15:15:52,927 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-09-20 15:15:53,178 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-09-20 15:15:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:15:56,642 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2018-09-20 15:15:56,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-20 15:15:56,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-09-20 15:15:56,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:15:56,647 INFO L225 Difference]: With dead ends: 73 [2018-09-20 15:15:56,647 INFO L226 Difference]: Without dead ends: 67 [2018-09-20 15:15:56,648 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:15:56,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-09-20 15:15:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2018-09-20 15:15:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-20 15:15:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2018-09-20 15:15:56,663 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 27 [2018-09-20 15:15:56,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:15:56,664 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2018-09-20 15:15:56,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:15:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2018-09-20 15:15:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:15:56,666 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:15:56,666 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:15:56,666 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:15:56,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1348340840, now seen corresponding path program 1 times [2018-09-20 15:15:56,668 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:15:56,668 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) [2018-09-20 15:15:56,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:15:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:15:56,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:15:56,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:15:56,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:15:56,825 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:56,829 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:56,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:56,843 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:15:56,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:15:56,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:15:56,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:15:56,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:56,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:15:56,882 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:15:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:15:56,985 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:15:56,995 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:15:56,996 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:15:56,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:15:56,996 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:15:56,996 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:15:56,997 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand 8 states. [2018-09-20 15:16:07,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:07,712 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-09-20 15:16:07,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:16:07,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-09-20 15:16:07,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:07,786 INFO L225 Difference]: With dead ends: 74 [2018-09-20 15:16:07,786 INFO L226 Difference]: Without dead ends: 66 [2018-09-20 15:16:07,787 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:16:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-09-20 15:16:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2018-09-20 15:16:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-20 15:16:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2018-09-20 15:16:07,800 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 27 [2018-09-20 15:16:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:07,801 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2018-09-20 15:16:07,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:16:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2018-09-20 15:16:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-20 15:16:07,802 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:07,802 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:07,802 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:07,803 INFO L82 PathProgramCache]: Analyzing trace with hash -370068822, now seen corresponding path program 1 times [2018-09-20 15:16:07,803 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:07,803 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 [2018-09-20 15:16:07,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:07,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:07,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:16:07,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:16:07,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:07,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:07,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:07,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:16:07,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:16:07,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:16:07,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:07,998 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:08,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:08,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:16:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:16:08,182 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:08,193 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:08,193 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:16:08,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:16:08,194 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:16:08,194 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:16:08,194 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 9 states. [2018-09-20 15:16:08,675 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:16:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:20,609 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-09-20 15:16:20,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:16:20,675 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-09-20 15:16:20,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:20,676 INFO L225 Difference]: With dead ends: 71 [2018-09-20 15:16:20,676 INFO L226 Difference]: Without dead ends: 65 [2018-09-20 15:16:20,676 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:16:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-20 15:16:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-09-20 15:16:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-20 15:16:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-09-20 15:16:20,690 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 28 [2018-09-20 15:16:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:20,691 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-09-20 15:16:20,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:16:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-09-20 15:16:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:16:20,692 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:16:20,693 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:16:20,693 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:16:20,694 INFO L82 PathProgramCache]: Analyzing trace with hash 769793096, now seen corresponding path program 1 times [2018-09-20 15:16:20,694 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:16:20,694 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:16:20,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:16:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:16:21,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:16:21,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:16:21,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:16:21,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:21,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:21,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:21,789 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:16:21,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:16:21,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:16:21,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:16:21,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:21,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:16:21,819 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:16:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:16:21,937 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:16:21,963 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:16:21,963 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:16:21,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:16:21,963 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:16:21,964 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:16:21,964 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 9 states. [2018-09-20 15:16:32,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:16:32,999 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-09-20 15:16:33,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:16:33,069 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:16:33,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:16:33,070 INFO L225 Difference]: With dead ends: 64 [2018-09-20 15:16:33,070 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:16:33,071 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:16:33,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:16:33,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:16:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:16:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:16:33,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-09-20 15:16:33,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:16:33,073 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:16:33,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:16:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:16:33,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:16:33,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:16:33,396 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-20 15:16:33,576 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 1 [2018-09-20 15:16:34,111 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-09-20 15:16:34,911 WARN L178 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2018-09-20 15:16:35,347 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2018-09-20 15:16:35,350 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 15) no Hoare annotation was computed. [2018-09-20 15:16:35,350 INFO L426 ceAbstractionStarter]: For program point isnan_floatENTRY(line 15) no Hoare annotation was computed. [2018-09-20 15:16:35,350 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 15) no Hoare annotation was computed. [2018-09-20 15:16:35,350 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:16:35,350 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:16:35,350 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:16:35,350 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 17 30) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-20 15:16:35,351 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 17 30) no Hoare annotation was computed. [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-09-20 15:16:35,352 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 17 30) the Hoare annotation is: true [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 17 30) no Hoare annotation was computed. [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 15:16:35,352 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:16:35,353 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32))) (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0)))) (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0)))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv0 32))) (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0)))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32))) (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0)))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv3 32)))) [2018-09-20 15:16:35,354 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:16:35,354 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:16:35,354 INFO L422 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv1 32)))) (not (= (select ~atanlo_atan~0 (_ bv3 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32)))) (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) (not (= (select ~atanhi_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))))) (not (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0)))))) [2018-09-20 15:16:35,354 INFO L426 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-09-20 15:16:35,354 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 120 136) the Hoare annotation is: true [2018-09-20 15:16:35,354 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 120 136) no Hoare annotation was computed. [2018-09-20 15:16:35,354 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2018-09-20 15:16:35,355 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 120 136) no Hoare annotation was computed. [2018-09-20 15:16:35,355 INFO L426 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-09-20 15:16:35,355 INFO L426 ceAbstractionStarter]: For program point L130(lines 130 133) no Hoare annotation was computed. [2018-09-20 15:16:35,355 INFO L429 ceAbstractionStarter]: At program point atan_floatENTRY(lines 56 118) the Hoare annotation is: true [2018-09-20 15:16:35,355 INFO L426 ceAbstractionStarter]: For program point atan_floatFINAL(lines 56 118) no Hoare annotation was computed. [2018-09-20 15:16:35,355 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-09-20 15:16:35,355 INFO L422 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (= |atan_float_#in~x| atan_float_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv1 32)))) (not (= (select ~atanlo_atan~0 (_ bv3 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32)))) (not (= (select ~atanhi_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))))) (not (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0)))))) [2018-09-20 15:16:35,355 INFO L426 ceAbstractionStarter]: For program point L60-4(lines 60 64) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L422 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3447321717.0 100000000000000000.0))) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 37748947079.0 1000000000000000000.0))) (select ~atanlo_atan~0 (_ bv1 32)))) (not (= (select ~atanlo_atan~0 (_ bv3 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 98279368877.0 100000000000.0))) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 1253039561.0 250000000000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))) (select ~atanhi_atan~0 (_ bv3 32)))) (not (= (select ~atanhi_atan~0 (_ bv0 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 46364760399.0 100000000000.0))))) (not (= (select ~atanhi_atan~0 (_ bv1 32)) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 20000000000.0))))) (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand atan_float_~hx~0 (_ bv2147483647 32)) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (not (bvsge (bvand atan_float_~hx~0 (_ bv2147483647 32)) (_ bv1350565888 32))))) (= |atan_float_#in~x| atan_float_~x))) [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L81-1(line 81) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L61-3(line 61) no Hoare annotation was computed. [2018-09-20 15:16:35,356 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 98) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 99) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 73) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L116-2(line 116) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L112(lines 112 117) no Hoare annotation was computed. [2018-09-20 15:16:35,357 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 78) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point L67(lines 67 68) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point atan_floatEXIT(lines 56 118) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point L63-2(line 63) no Hoare annotation was computed. [2018-09-20 15:16:35,358 INFO L426 ceAbstractionStarter]: For program point L76(lines 76 77) no Hoare annotation was computed. [2018-09-20 15:16:35,367 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,370 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,370 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,371 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,371 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,371 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,371 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,371 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,372 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,372 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,372 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,372 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,372 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,373 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,373 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,373 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,373 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,373 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,377 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,377 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,377 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,377 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,378 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,378 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,378 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,378 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,379 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,379 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,379 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,379 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,379 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,380 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,380 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,380 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,380 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,380 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:16:35 BoogieIcfgContainer [2018-09-20 15:16:35,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:16:35,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:16:35,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:16:35,386 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:16:35,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:28" (3/4) ... [2018-09-20 15:16:35,390 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:16:35,396 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:16:35,396 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:16:35,396 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:16:35,397 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:16:35,397 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-09-20 15:16:35,403 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-09-20 15:16:35,403 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-09-20 15:16:35,404 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:16:35,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3447321717/100000000000000000)) == atanlo_atan[2bv32]) || !(pi_o_2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/2000000000)))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 37748947079/1000000000000000000)) == atanlo_atan[1bv32])) || !(atanlo_atan[3bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 75497894159/1000000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 98279368877/100000000000)) == atanhi_atan[2bv32])) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1253039561/250000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/10000000000)) == atanhi_atan[3bv32])) || !(atanhi_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 46364760399/100000000000)))) || !(atanhi_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/20000000000))) [2018-09-20 15:16:35,477 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:16:35,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:16:35,480 INFO L168 Benchmark]: Toolchain (without parser) took 141405.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:35,481 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:35,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:35,482 INFO L168 Benchmark]: Boogie Preprocessor took 56.85 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:16:35,487 INFO L168 Benchmark]: RCFGBuilder took 13926.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:35,487 INFO L168 Benchmark]: TraceAbstraction took 126885.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:35,490 INFO L168 Benchmark]: Witness Printer took 94.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:16:35,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 432.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.85 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 13926.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 126885.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 11.5 GB. * Witness Printer took 94.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 131]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant [2018-09-20 15:16:35,508 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,508 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,508 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,508 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,515 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,515 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,515 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,515 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,515 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,516 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,516 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,516 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,516 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,516 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,519 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,519 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,520 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,520 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,524 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,525 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,525 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,525 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,525 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,526 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,526 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,526 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,526 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,526 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,528 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,528 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,529 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,529 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,529 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,529 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,529 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:16:35,529 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3447321717/100000000000000000)) == atanlo_atan[2bv32]) || !(pi_o_2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/2000000000)))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 37748947079/1000000000000000000)) == atanlo_atan[1bv32])) || !(atanlo_atan[3bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 75497894159/1000000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 98279368877/100000000000)) == atanhi_atan[2bv32])) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1253039561/250000000000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/10000000000)) == atanhi_atan[3bv32])) || !(atanhi_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 46364760399/100000000000)))) || !(atanhi_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/20000000000))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 72 locations, 1 error locations. SAFE Result, 126.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 61.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 291 SDslu, 1364 SDs, 0 SdLazy, 465 SolverSat, 22 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 56.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 410 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 911 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 61.2s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 149 ConstructedInterpolants, 20 QuantifiedInterpolants, 69226 SizeOfPredicates, 35 NumberOfNonLiveVariables, 488 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...