/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_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/double_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 ef69b30587e0c4301fdaba0084db3fa6fe256bc6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/double_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 ef69b30587e0c4301fdaba0084db3fa6fe256bc6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:35:36,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:35:36,366 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:35:36,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:35:36,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:35:36,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:35:36,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:35:36,387 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:35:36,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:35:36,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:35:36,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:35:36,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:35:36,391 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:35:36,392 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:35:36,393 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:35:36,394 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:35:36,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:35:36,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:35:36,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:35:36,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:35:36,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:35:36,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:35:36,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:35:36,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:35:36,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:35:36,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:35:36,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:35:36,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:35:36,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:35:36,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:35:36,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:35:36,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:35:36,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:35:36,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:35:36,412 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:35:36,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:35:36,413 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:35:36,428 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:35:36,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:35:36,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:35:36,430 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:35:36,430 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:35:36,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:35:36,431 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:35:36,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:35:36,431 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:35:36,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:35:36,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:35:36,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:35:36,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:35:36,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:35:36,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:35:36,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:35:36,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:35:36,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:35:36,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:35:36,434 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:35:36,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:35:36,434 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:35:36,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:35:36,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:35:36,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:35:36,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:35:36,435 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:35:36,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:35:36,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:35:36,436 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 -> ef69b30587e0c4301fdaba0084db3fa6fe256bc6 [2018-09-20 14:35:36,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:35:36,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:35:36,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:35:36,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:35:36,503 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:35:36,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-09-20 14:35:36,850 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b13fbc5d/b973e99f12bc4a5ba3ae54474f4938ba/FLAG23e350e55 [2018-09-20 14:35:36,997 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:35:36,997 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-09-20 14:35:37,006 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b13fbc5d/b973e99f12bc4a5ba3ae54474f4938ba/FLAG23e350e55 [2018-09-20 14:35:37,023 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b13fbc5d/b973e99f12bc4a5ba3ae54474f4938ba [2018-09-20 14:35:37,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:35:37,030 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:35:37,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:37,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:35:37,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:35:37,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@954fe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37, skipping insertion in model container [2018-09-20 14:35:37,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,056 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:35:37,430 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:37,457 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:35:37,508 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:37,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37 WrapperNode [2018-09-20 14:35:37,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:37,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:35:37,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:35:37,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:35:37,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (1/1) ... [2018-09-20 14:35:37,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:35:37,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:35:37,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:35:37,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:35:37,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (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 14:35:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:35:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:35:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:35:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-20 14:35:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:35:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:35:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:35:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:35:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:35:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:35:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:35:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:35:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:35:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:35:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-20 14:35:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:35:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:35:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:35:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:35:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:35:38,580 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:35:38,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:35:38 BoogieIcfgContainer [2018-09-20 14:35:38,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:35:38,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:35:38,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:35:38,587 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:35:38,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:35:37" (1/3) ... [2018-09-20 14:35:38,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4c8726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:35:38, skipping insertion in model container [2018-09-20 14:35:38,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:37" (2/3) ... [2018-09-20 14:35:38,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4c8726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:35:38, skipping insertion in model container [2018-09-20 14:35:38,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:35:38" (3/3) ... [2018-09-20 14:35:38,592 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a_true-unreach-call.c [2018-09-20 14:35:38,602 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:35:38,611 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:35:38,659 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:35:38,659 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:35:38,660 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:35:38,660 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:35:38,660 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:35:38,660 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:35:38,660 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:35:38,661 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:35:38,661 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:35:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2018-09-20 14:35:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 14:35:38,690 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:35:38,692 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:35:38,694 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:35:38,700 INFO L82 PathProgramCache]: Analyzing trace with hash 652954868, now seen corresponding path program 1 times [2018-09-20 14:35:38,702 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:35:38,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:35:38,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:38,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:35:38,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:35:38,879 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 14:35:38,882 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:35:38,883 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:35:38,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:35:38,902 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:35:38,903 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:35:38,906 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2018-09-20 14:35:38,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:35:38,941 INFO L93 Difference]: Finished difference Result 154 states and 193 transitions. [2018-09-20 14:35:38,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:35:38,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 14:35:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:35:38,955 INFO L225 Difference]: With dead ends: 154 [2018-09-20 14:35:38,955 INFO L226 Difference]: Without dead ends: 77 [2018-09-20 14:35:38,960 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 14:35:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-09-20 14:35:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-09-20 14:35:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-09-20 14:35:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-09-20 14:35:39,006 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 18 [2018-09-20 14:35:39,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:35:39,006 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-09-20 14:35:39,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:35:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-09-20 14:35:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-20 14:35:39,008 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:35:39,008 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 14:35:39,009 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:35:39,009 INFO L82 PathProgramCache]: Analyzing trace with hash 2090612603, now seen corresponding path program 1 times [2018-09-20 14:35:39,009 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:35:39,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:35:39,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:39,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:35:39,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:35:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:35:39,156 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:35:39,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:35:39 BoogieIcfgContainer [2018-09-20 14:35:39,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:35:39,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:35:39,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:35:39,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:35:39,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:35:38" (3/4) ... [2018-09-20 14:35:39,212 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:35:39,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:35:39,213 INFO L168 Benchmark]: Toolchain (without parser) took 2186.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:39,215 INFO L168 Benchmark]: CDTParser took 0.21 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 14:35:39,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.24 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:39,216 INFO L168 Benchmark]: Boogie Preprocessor took 98.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:35:39,217 INFO L168 Benchmark]: RCFGBuilder took 927.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:39,218 INFO L168 Benchmark]: TraceAbstraction took 624.94 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:39,219 INFO L168 Benchmark]: Witness Printer took 4.66 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:39,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 519.24 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.99 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 927.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 624.94 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.66 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 141, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [\old(huge_atan)=6442450957, \old(one_atan)=6442450945, \old(pi)=6442450953, \old(pi_o_2)=6442450946, \old(pi_o_4)=6442450949, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L141] double x = 1.0 / 0.0; VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L142] CALL, EXPR atan_double(x) VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L69] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=6442450948, gh_u={6442450952:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L70] FCALL gh_u.value = (x) VAL [\old(x)=6442450948, gh_u={6442450952:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L71] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=6442450948, gh_u={6442450952:0}, gh_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L71] (hx) = gh_u.parts.msw VAL [\old(x)=6442450948, gh_u={6442450952:0}, gh_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L71] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=6442450959, \old(x)=6442450948, gh_u={6442450952:0}, gh_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L72] COND FALSE !(0) VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L73] ix = hx & 0x7fffffff VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L74] COND FALSE !(ix >= 0x44100000) VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L88] COND TRUE ix < 0x3fdc0000 VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L89] COND TRUE ix < 0x3e200000 VAL [\old(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L90] COND TRUE huge_atan + x > one_atan [L91] RET return x; VAL [\old(x)=6442450948, \result=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L142] EXPR atan_double(x) VAL [atan_double(x)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450948] [L142] double res = atan_double(x); [L144] COND TRUE res != pi_o_2 VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450948, x=6442450948] [L145] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450948, x=6442450948] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 91 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=81occurred 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 14:35:41,605 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:35:41,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:35:41,625 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:35:41,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:35:41,627 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:35:41,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:35:41,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:35:41,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:35:41,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:35:41,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:35:41,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:35:41,639 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:35:41,642 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:35:41,651 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:35:41,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:35:41,655 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:35:41,657 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:35:41,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:35:41,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:35:41,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:35:41,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:35:41,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:35:41,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:35:41,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:35:41,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:35:41,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:35:41,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:35:41,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:35:41,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:35:41,680 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:35:41,680 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:35:41,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:35:41,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:35:41,681 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:35:41,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:35:41,684 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:35:41,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:35:41,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:35:41,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:35:41,712 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:35:41,713 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:35:41,713 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:35:41,714 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:35:41,714 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:35:41,715 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:35:41,715 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:35:41,715 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:35:41,715 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:35:41,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:35:41,715 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:35:41,716 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:35:41,716 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:35:41,716 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:35:41,716 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:35:41,716 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:35:41,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:35:41,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:35:41,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:35:41,718 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:35:41,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:35:41,719 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:35:41,719 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:35:41,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:35:41,719 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:35:41,720 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:35:41,720 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:35:41,720 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:35:41,720 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 -> ef69b30587e0c4301fdaba0084db3fa6fe256bc6 [2018-09-20 14:35:41,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:35:41,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:35:41,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:35:41,831 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:35:41,832 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:35:41,832 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-09-20 14:35:42,175 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67a42b5d/52dc4e5a552f4db696fbf57f38fe964c/FLAG80084c19f [2018-09-20 14:35:42,321 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:35:42,322 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-09-20 14:35:42,330 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67a42b5d/52dc4e5a552f4db696fbf57f38fe964c/FLAG80084c19f [2018-09-20 14:35:42,347 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67a42b5d/52dc4e5a552f4db696fbf57f38fe964c [2018-09-20 14:35:42,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:35:42,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:35:42,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:42,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:35:42,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:35:42,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a97ebab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42, skipping insertion in model container [2018-09-20 14:35:42,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,381 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:35:42,636 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:42,668 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:35:42,707 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:42,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42 WrapperNode [2018-09-20 14:35:42,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:42,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:35:42,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:35:42,767 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:35:42,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:35:42,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:35:42,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:35:42,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:35:42,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (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 14:35:43,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:35:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:35:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:35:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-20 14:35:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:35:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:35:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:35:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:35:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:35:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:35:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:35:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:35:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:35:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:35:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-20 14:35:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:35:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:35:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:35:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:35:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:35:43,511 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:35:43,535 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:35:43,586 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,282 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,303 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,334 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,353 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:03,394 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:36:03,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:36:03 BoogieIcfgContainer [2018-09-20 14:36:03,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:36:03,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:36:03,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:36:03,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:36:03,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:35:42" (1/3) ... [2018-09-20 14:36:03,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df14d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:36:03, skipping insertion in model container [2018-09-20 14:36:03,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (2/3) ... [2018-09-20 14:36:03,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df14d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:36:03, skipping insertion in model container [2018-09-20 14:36:03,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:36:03" (3/3) ... [2018-09-20 14:36:03,404 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a_true-unreach-call.c [2018-09-20 14:36:03,414 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:36:03,424 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:36:03,472 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:36:03,473 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:36:03,473 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:36:03,473 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:36:03,474 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:36:03,474 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:36:03,474 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:36:03,474 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:36:03,474 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:36:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2018-09-20 14:36:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-20 14:36:03,501 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:03,503 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:36:03,505 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:03,511 INFO L82 PathProgramCache]: Analyzing trace with hash 652954868, now seen corresponding path program 1 times [2018-09-20 14:36:03,516 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:03,517 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 14:36:03,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:36:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:36:03,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:36:03,690 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 14:36:03,690 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:36:03,709 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:36:03,709 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:36:03,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:36:03,727 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:36:03,728 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:36:03,730 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2018-09-20 14:36:03,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:36:03,761 INFO L93 Difference]: Finished difference Result 154 states and 193 transitions. [2018-09-20 14:36:03,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:36:03,762 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-20 14:36:03,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:36:03,773 INFO L225 Difference]: With dead ends: 154 [2018-09-20 14:36:03,774 INFO L226 Difference]: Without dead ends: 77 [2018-09-20 14:36:03,778 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 14:36:03,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-09-20 14:36:03,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-09-20 14:36:03,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-09-20 14:36:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-09-20 14:36:03,823 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 18 [2018-09-20 14:36:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:36:03,823 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-09-20 14:36:03,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:36:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-09-20 14:36:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-20 14:36:03,825 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:03,825 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 14:36:03,826 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash 2090612603, now seen corresponding path program 1 times [2018-09-20 14:36:03,827 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:03,827 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 14:36:03,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:36:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:36:04,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:36:04,170 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 14 treesize of output 11 [2018-09-20 14:36:04,177 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 11 treesize of output 10 [2018-09-20 14:36:04,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:36:04,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:36:04,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:36:04,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:36:04,298 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 20 treesize of output 16 [2018-09-20 14:36:04,305 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 16 treesize of output 4 [2018-09-20 14:36:04,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:36:04,312 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:36:04,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:36:04,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:36:04,817 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 14:36:04,818 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:36:04,834 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:36:04,834 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:36:04,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:36:04,839 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:36:04,839 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:36:04,839 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 9 states. [2018-09-20 14:36:05,246 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:36:05,709 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:36:06,432 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 14:36:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:36:27,897 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2018-09-20 14:36:28,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 14:36:28,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-09-20 14:36:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:36:28,303 INFO L225 Difference]: With dead ends: 87 [2018-09-20 14:36:28,303 INFO L226 Difference]: Without dead ends: 81 [2018-09-20 14:36:28,305 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:36:28,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-20 14:36:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2018-09-20 14:36:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-09-20 14:36:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2018-09-20 14:36:28,319 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 28 [2018-09-20 14:36:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:36:28,319 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2018-09-20 14:36:28,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:36:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-09-20 14:36:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 14:36:28,322 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:28,322 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 14:36:28,322 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:28,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1110976039, now seen corresponding path program 1 times [2018-09-20 14:36:28,323 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:28,324 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 14:36:28,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:36:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:36:32,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:36:32,874 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 14 treesize of output 11 [2018-09-20 14:36:32,882 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 11 treesize of output 10 [2018-09-20 14:36:32,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:36:32,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:36:32,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:36:32,907 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:36:32,956 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 20 treesize of output 16 [2018-09-20 14:36:32,962 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 16 treesize of output 4 [2018-09-20 14:36:32,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:36:32,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:36:32,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:36:32,979 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:36:33,255 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 14:36:33,256 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:36:33,341 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:36:33,341 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:36:33,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:36:33,342 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:36:33,342 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:36:33,343 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 9 states. [2018-09-20 14:36:33,580 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:36:33,823 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:36:34,493 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:37:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:37:00,499 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2018-09-20 14:37:00,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:37:00,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 14:37:00,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:37:00,590 INFO L225 Difference]: With dead ends: 90 [2018-09-20 14:37:00,590 INFO L226 Difference]: Without dead ends: 76 [2018-09-20 14:37:00,591 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:37:00,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-20 14:37:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-09-20 14:37:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-20 14:37:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-09-20 14:37:00,605 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 30 [2018-09-20 14:37:00,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:37:00,605 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-09-20 14:37:00,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:37:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-09-20 14:37:00,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-20 14:37:00,608 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:37:00,608 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, 1, 1, 1, 1, 1, 1] [2018-09-20 14:37:00,609 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:37:00,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1277129167, now seen corresponding path program 1 times [2018-09-20 14:37:00,609 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:37:00,610 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:37:00,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:37:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:37:00,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:37:00,793 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 14 treesize of output 11 [2018-09-20 14:37:00,802 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 11 treesize of output 10 [2018-09-20 14:37:00,802 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:37:00,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:37:01,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:37:01,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 14:37:01,119 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 20 treesize of output 16 [2018-09-20 14:37:01,127 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 16 treesize of output 4 [2018-09-20 14:37:01,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:37:01,157 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:37:01,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:37:01,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 14:37:02,001 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 14:37:02,112 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 12 treesize of output 9 [2018-09-20 14:37:02,118 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 9 treesize of output 8 [2018-09-20 14:37:02,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:37:02,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:37:02,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:37:02,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-20 14:37:02,240 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 16 treesize of output 12 [2018-09-20 14:37:02,247 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 12 treesize of output 4 [2018-09-20 14:37:02,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:37:02,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:37:02,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:37:02,279 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:40, output treesize:29 [2018-09-20 14:37:02,723 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 14:37:02,724 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:37:02,741 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:37:02,741 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 14:37:02,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 14:37:02,742 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 14:37:02,742 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-09-20 14:37:02,742 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 12 states. [2018-09-20 14:37:03,522 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:37:04,169 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-09-20 14:37:04,903 WARN L178 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-09-20 14:37:05,310 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-09-20 14:37:07,735 WARN L178 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-09-20 14:37:08,191 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-20 14:37:29,057 WARN L178 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-09-20 14:38:14,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:38:14,500 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-09-20 14:38:14,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 14:38:14,599 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-09-20 14:38:14,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:38:14,601 INFO L225 Difference]: With dead ends: 82 [2018-09-20 14:38:14,601 INFO L226 Difference]: Without dead ends: 76 [2018-09-20 14:38:14,603 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=103, Invalid=353, Unknown=6, NotChecked=0, Total=462 [2018-09-20 14:38:14,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-20 14:38:14,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-09-20 14:38:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-20 14:38:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2018-09-20 14:38:14,615 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 36 [2018-09-20 14:38:14,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:38:14,616 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2018-09-20 14:38:14,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 14:38:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2018-09-20 14:38:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-20 14:38:14,618 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:38:14,618 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:38:14,619 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:38:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1451358020, now seen corresponding path program 1 times [2018-09-20 14:38:14,619 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:38:14,619 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 14:38:14,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:38:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:38:14,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:38:14,999 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 14 treesize of output 11 [2018-09-20 14:38:15,005 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 11 treesize of output 10 [2018-09-20 14:38:15,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:38:15,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:38:15,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:38:15,026 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:38:15,071 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 20 treesize of output 16 [2018-09-20 14:38:15,088 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 16 treesize of output 4 [2018-09-20 14:38:15,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:38:15,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:38:15,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:38:15,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:38:15,270 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 14:38:15,270 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:38:15,287 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:38:15,287 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:38:15,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:38:15,287 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:38:15,288 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:38:15,288 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 8 states. [2018-09-20 14:38:15,843 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:38:16,095 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:38:35,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:38:35,835 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-09-20 14:38:35,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 14:38:35,836 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-09-20 14:38:35,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:38:35,838 INFO L225 Difference]: With dead ends: 85 [2018-09-20 14:38:35,838 INFO L226 Difference]: Without dead ends: 76 [2018-09-20 14:38:35,839 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:38:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-20 14:38:35,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-09-20 14:38:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-20 14:38:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-09-20 14:38:35,856 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 37 [2018-09-20 14:38:35,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:38:35,857 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-09-20 14:38:35,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:38:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-09-20 14:38:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-20 14:38:35,859 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:38:35,859 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:38:35,859 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:38:35,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1479987171, now seen corresponding path program 1 times [2018-09-20 14:38:35,861 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:38:35,862 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 14:38:35,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:38:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:38:36,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:38:38,134 INFO L303 Elim1Store]: Index analysis took 2032 ms [2018-09-20 14:38:38,135 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 23 treesize of output 26 [2018-09-20 14:38:41,625 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:41,629 INFO L303 Elim1Store]: Index analysis took 3491 ms [2018-09-20 14:38:41,630 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 26 treesize of output 36 [2018-09-20 14:38:45,708 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 (_ bv1 32)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-20 14:38:45,709 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:47,721 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0))) [2018-09-20 14:38:47,722 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:49,382 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:49,386 INFO L303 Elim1Store]: Index analysis took 7754 ms [2018-09-20 14:38:49,387 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 36 treesize of output 62 [2018-09-20 14:38:51,614 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:51,890 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:52,578 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:52,823 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:53,120 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:55,135 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select v_arrayElimArr_3 (_ bv2 32))) [2018-09-20 14:38:55,135 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:38:55,139 INFO L303 Elim1Store]: Index analysis took 5749 ms [2018-09-20 14:38:55,141 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 62 treesize of output 101 [2018-09-20 14:38:55,141 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:03,903 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:09,893 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:15,110 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:26,122 INFO L303 Elim1Store]: Index analysis took 135 ms [2018-09-20 14:39:26,123 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 23 treesize of output 26 [2018-09-20 14:39:26,865 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:26,868 INFO L303 Elim1Store]: Index analysis took 743 ms [2018-09-20 14:39:26,869 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 26 treesize of output 36 [2018-09-20 14:39:26,996 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,046 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,086 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,089 INFO L303 Elim1Store]: Index analysis took 218 ms [2018-09-20 14:39:27,090 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 36 treesize of output 62 [2018-09-20 14:39:27,140 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,161 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,180 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,199 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,223 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,246 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:27,249 INFO L303 Elim1Store]: Index analysis took 156 ms [2018-09-20 14:39:27,250 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 62 treesize of output 101 [2018-09-20 14:39:27,251 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:27,434 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:27,536 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:27,636 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:27,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:27,909 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:52, output treesize:62 [2018-09-20 14:39:28,185 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-20 14:39:29,102 WARN L178 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-20 14:39:29,157 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,164 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,172 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,178 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,186 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,192 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,196 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 39 treesize of output 53 [2018-09-20 14:39:29,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:29,517 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,518 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,520 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,526 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,528 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,529 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:39:29,533 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 39 treesize of output 53 [2018-09-20 14:39:29,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:29,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:29,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:16 [2018-09-20 14:39:29,728 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 14:39:29,729 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:39:29,750 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:39:29,750 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 14:39:29,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 14:39:29,753 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 14:39:29,753 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-09-20 14:39:29,754 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 6 states. [2018-09-20 14:39:36,854 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-20 14:39:37,234 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-20 14:39:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:39:42,009 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2018-09-20 14:39:42,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-20 14:39:42,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-09-20 14:39:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:39:42,016 INFO L225 Difference]: With dead ends: 82 [2018-09-20 14:39:42,016 INFO L226 Difference]: Without dead ends: 64 [2018-09-20 14:39:42,017 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:39:42,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-09-20 14:39:42,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-09-20 14:39:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-20 14:39:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-09-20 14:39:42,036 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 37 [2018-09-20 14:39:42,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:39:42,036 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-09-20 14:39:42,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 14:39:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-09-20 14:39:42,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-20 14:39:42,045 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:39:42,045 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, 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 14:39:42,046 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:39:42,046 INFO L82 PathProgramCache]: Analyzing trace with hash -339391493, now seen corresponding path program 1 times [2018-09-20 14:39:42,047 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:39:42,047 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 14:39:42,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:39:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:39:47,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:39:47,259 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 14 treesize of output 11 [2018-09-20 14:39:47,267 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 11 treesize of output 10 [2018-09-20 14:39:47,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:47,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:47,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:39:47,306 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:39:47,366 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 20 treesize of output 16 [2018-09-20 14:39:47,384 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 16 treesize of output 4 [2018-09-20 14:39:47,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:47,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:47,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:39:47,407 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:39:47,615 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 14:39:47,616 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:39:47,715 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:39:47,715 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:39:47,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:39:47,716 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:39:47,716 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:39:47,717 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 9 states. [2018-09-20 14:39:48,886 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 14:40:06,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:40:06,799 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2018-09-20 14:40:06,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:40:06,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-20 14:40:06,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:40:06,802 INFO L225 Difference]: With dead ends: 72 [2018-09-20 14:40:06,802 INFO L226 Difference]: Without dead ends: 62 [2018-09-20 14:40:06,803 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:40:06,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-20 14:40:06,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-09-20 14:40:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-20 14:40:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2018-09-20 14:40:06,815 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 58 [2018-09-20 14:40:06,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:40:06,817 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2018-09-20 14:40:06,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:40:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2018-09-20 14:40:06,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-20 14:40:06,818 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:40:06,818 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, 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 14:40:06,818 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:40:06,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1148738119, now seen corresponding path program 1 times [2018-09-20 14:40:06,820 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:40:06,821 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 14:40:06,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:40:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:40:11,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:40:12,030 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 14 treesize of output 11 [2018-09-20 14:40:12,037 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 11 treesize of output 10 [2018-09-20 14:40:12,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:40:12,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:40:12,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:40:12,061 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:40:12,103 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 20 treesize of output 16 [2018-09-20 14:40:12,110 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 16 treesize of output 4 [2018-09-20 14:40:12,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:40:12,115 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:40:12,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:40:12,127 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:40:12,354 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 14:40:12,354 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:40:12,459 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:40:12,460 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:40:12,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:40:12,460 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:40:12,460 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:40:12,461 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand 9 states. [2018-09-20 14:40:27,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:40:27,231 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2018-09-20 14:40:27,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:40:27,233 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-20 14:40:27,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:40:27,234 INFO L225 Difference]: With dead ends: 72 [2018-09-20 14:40:27,234 INFO L226 Difference]: Without dead ends: 61 [2018-09-20 14:40:27,235 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:40:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-09-20 14:40:27,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-09-20 14:40:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-09-20 14:40:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-09-20 14:40:27,248 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-09-20 14:40:27,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:40:27,249 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-09-20 14:40:27,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:40:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-09-20 14:40:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-20 14:40:27,250 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:40:27,252 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, 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 14:40:27,253 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:40:27,253 INFO L82 PathProgramCache]: Analyzing trace with hash -856544517, now seen corresponding path program 1 times [2018-09-20 14:40:27,253 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:40:27,254 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:40:27,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-09-20 14:40:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:40:32,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:40:32,450 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 14 treesize of output 11 [2018-09-20 14:40:32,457 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 11 treesize of output 10 [2018-09-20 14:40:32,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:40:32,467 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:40:32,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:40:32,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:40:32,539 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 20 treesize of output 16 [2018-09-20 14:40:32,544 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 16 treesize of output 4 [2018-09-20 14:40:32,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:40:32,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:40:32,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:40:32,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:40:32,829 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 14:40:32,829 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:40:32,924 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:40:32,924 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:40:32,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:40:32,925 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:40:32,925 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:40:32,926 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 9 states. [2018-09-20 14:40:33,221 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:40:33,444 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:40:33,680 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:40:34,096 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 14:40:46,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:40:46,296 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-09-20 14:40:46,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:40:46,298 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-09-20 14:40:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:40:46,298 INFO L225 Difference]: With dead ends: 61 [2018-09-20 14:40:46,298 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:40:46,299 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:40:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:40:46,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:40:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:40:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:40:46,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-09-20 14:40:46,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:40:46,300 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:40:46,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:40:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:40:46,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:40:46,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:40:46,755 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-20 14:40:46,924 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-20 14:40:47,127 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-20 14:40:47,337 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-20 14:40:48,605 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2018-09-20 14:40:49,459 WARN L178 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-09-20 14:40:50,770 WARN L178 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 174 DAG size of output: 84 [2018-09-20 14:40:51,543 WARN L178 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-09-20 14:40:51,697 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-09-20 14:40:51,700 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 14:40:51,700 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 14:40:51,700 INFO L426 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-09-20 14:40:51,700 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 14:40:51,701 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 14:40:51,701 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-20 14:40:51,701 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 14:40:51,701 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-20 14:40:51,701 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-20 14:40:51,701 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L28-2(line 28) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L429 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 14:40:51,702 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:40:51,703 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:40:51,703 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L422 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (= atan_double_~x |atan_double_#in~x|) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))))) [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 14:40:51,704 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L69-3(line 69) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-09-20 14:40:51,705 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L422 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_8|)) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |atan_double_#in~x|) (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv2147483647 32))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (not (bvsge (bvand ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv2147483647 32)) (_ bv1141899264 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |atan_double_#in~x|)))) (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))))) [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point L71-1(line 71) no Hoare annotation was computed. [2018-09-20 14:40:51,706 INFO L426 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-09-20 14:40:51,707 INFO L426 ceAbstractionStarter]: For program point L71-2(line 71) no Hoare annotation was computed. [2018-09-20 14:40:51,707 INFO L426 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-09-20 14:40:51,707 INFO L429 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-09-20 14:40:51,707 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-09-20 14:40:51,707 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-20 14:40:51,707 INFO L426 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-09-20 14:40:51,707 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))) (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))) (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_8|) (_ bv2147483647 32))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_10|)) (= atan_double_~x (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|)))))))) [2018-09-20 14:40:51,707 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-09-20 14:40:51,708 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-09-20 14:40:51,708 INFO L426 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-09-20 14:40:51,708 INFO L426 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-09-20 14:40:51,708 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-20 14:40:51,708 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:40:51,708 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (and (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32))) (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32))) (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32))) (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0))) (= ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv1 32))) (= .cse0 (select ~atanhi_atan~0 (_ bv3 32))) (= .cse0 ~pi_o_2~0) (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32))) (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32))))) [2018-09-20 14:40:51,708 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:40:51,709 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:40:51,709 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-20 14:40:51,709 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-09-20 14:40:51,709 INFO L422 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE (/ 785398163397448279.0 500000000000000000.0)))) (or (not (= ((_ to_fp 11 53) RNE (/ 491396861623664527041.0 500000000000000000000.0)) (select ~atanhi_atan~0 (_ bv2 32)))) (not (= .cse0 (select ~atanhi_atan~0 (_ bv3 32)))) (not (= .cse0 ~pi_o_2~0)) (not (= ((_ to_fp 11 53) RNE (/ 34758277578077496129.0 2500000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv2 32)))) (not (= (select ~atanlo_atan~0 (_ bv1 32)) ((_ to_fp 11 53) RNE (/ 306161699786838301793.0 10000000000000000000000000000000000000.0)))) (= (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)) main_~x~0) (not (= (select ~atanlo_atan~0 (_ bv0 32)) ((_ to_fp 11 53) RNE (/ 56746943632404217731.0 2500000000000000000000000000000000000.0)))) (not (= ((_ to_fp 11 53) RNE (/ 612323399573676603587.0 10000000000000000000000000000000000000.0)) (select ~atanlo_atan~0 (_ bv3 32)))) (not (= ((_ to_fp 11 53) RNE (/ 785398163397448278999.0 1000000000000000000000.0)) (select ~atanhi_atan~0 (_ bv1 32)))) (not (= ((_ to_fp 11 53) RNE (/ 92729521800161218703.0 200000000000000000000.0)) (select ~atanhi_atan~0 (_ bv0 32)))))) [2018-09-20 14:40:51,709 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 134 149) the Hoare annotation is: true [2018-09-20 14:40:51,709 INFO L426 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-09-20 14:40:51,709 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 134 149) no Hoare annotation was computed. [2018-09-20 14:40:51,709 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 134 149) no Hoare annotation was computed. [2018-09-20 14:40:51,710 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-09-20 14:40:51,720 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,721 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,723 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,723 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,723 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,723 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,724 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,724 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,724 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,724 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,724 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,725 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,729 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,730 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,730 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,730 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,730 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,731 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,733 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,735 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,735 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,735 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,735 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,735 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,737 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,737 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,737 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,737 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,738 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,738 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,738 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,738 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,739 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:40:51 BoogieIcfgContainer [2018-09-20 14:40:51,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:40:51,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:40:51,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:40:51,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:40:51,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:36:03" (3/4) ... [2018-09-20 14:40:51,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:40:51,754 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-09-20 14:40:51,754 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:40:51,755 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-09-20 14:40:51,755 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:40:51,762 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-09-20 14:40:51,763 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-20 14:40:51,763 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 14:40:51,796 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 491396861623664527041/500000000000000000000) == atanhi_atan[2bv32]) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == atanhi_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == pi_o_2)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 34758277578077496129/2500000000000000000000000000000000000) == atanlo_atan[2bv32])) || !(atanlo_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 306161699786838301793/10000000000000000000000000000000000000))) || x == \old(x)) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 56746943632404217731/2500000000000000000000000000000000000))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 612323399573676603587/10000000000000000000000000000000000000) == atanlo_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448278999/1000000000000000000000) == atanhi_atan[1bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 92729521800161218703/200000000000000000000) == atanhi_atan[0bv32]) [2018-09-20 14:40:51,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 491396861623664527041/500000000000000000000) == atanhi_atan[2bv32]) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == atanhi_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == pi_o_2)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 34758277578077496129/2500000000000000000000000000000000000) == atanlo_atan[2bv32])) || !(atanlo_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 306161699786838301793/10000000000000000000000000000000000000))) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 56746943632404217731/2500000000000000000000000000000000000))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 612323399573676603587/10000000000000000000000000000000000000) == atanlo_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448278999/1000000000000000000000) == atanhi_atan[1bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 92729521800161218703/200000000000000000000) == atanhi_atan[0bv32])) || ((x == \old(x) && (\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && ix == ~bvand32(v_q#valueAsBitvector_8[63:32], 2147483647bv32))) && (\exists v_q#valueAsBitvector_10 : bv64 :: hx == v_q#valueAsBitvector_10[63:32] && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) [2018-09-20 14:40:51,857 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:40:51,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:40:51,863 INFO L168 Benchmark]: Toolchain (without parser) took 309509.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.6 MB). Free memory was 951.8 MB in the beginning and 1.2 GB in the end (delta: -222.7 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:40:51,863 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 14:40:51,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:40:51,864 INFO L168 Benchmark]: Boogie Preprocessor took 104.43 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:40:51,864 INFO L168 Benchmark]: RCFGBuilder took 20523.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:40:51,867 INFO L168 Benchmark]: TraceAbstraction took 288345.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.9 MB). Peak memory consumption was 376.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:40:51,869 INFO L168 Benchmark]: Witness Printer took 120.04 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:40:51,871 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 410.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.43 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 20523.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 288345.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.9 MB). Peak memory consumption was 376.6 MB. Max. memory is 11.5 GB. * Witness Printer took 120.04 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - 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: 145]: 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: 76]: Loop Invariant [2018-09-20 14:40:51,889 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,889 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,889 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,890 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,890 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,890 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,890 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,890 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,898 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,898 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,898 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,898 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,898 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,901 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,901 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,901 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,902 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,910 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,910 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-09-20 14:40:51,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:40:51,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] Derived loop invariant: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 491396861623664527041/500000000000000000000) == atanhi_atan[2bv32]) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == atanhi_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == pi_o_2)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 34758277578077496129/2500000000000000000000000000000000000) == atanlo_atan[2bv32])) || !(atanlo_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 306161699786838301793/10000000000000000000000000000000000000))) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 56746943632404217731/2500000000000000000000000000000000000))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 612323399573676603587/10000000000000000000000000000000000000) == atanlo_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448278999/1000000000000000000000) == atanhi_atan[1bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 92729521800161218703/200000000000000000000) == atanhi_atan[0bv32])) || ((x == \old(x) && (\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && ix == ~bvand32(v_q#valueAsBitvector_8[63:32], 2147483647bv32))) && (\exists v_q#valueAsBitvector_10 : bv64 :: hx == v_q#valueAsBitvector_10[63:32] && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) - InvariantResult [Line: 68]: Loop Invariant [2018-09-20 14:40:51,914 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,915 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,915 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,915 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,915 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,916 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,916 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,916 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,916 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,917 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,917 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,917 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,917 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,920 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,921 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,921 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,921 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:40:51,921 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((((((!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 491396861623664527041/500000000000000000000) == atanhi_atan[2bv32]) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == atanhi_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448279/500000000000000000) == pi_o_2)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 34758277578077496129/2500000000000000000000000000000000000) == atanlo_atan[2bv32])) || !(atanlo_atan[1bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 306161699786838301793/10000000000000000000000000000000000000))) || x == \old(x)) || !(atanlo_atan[0bv32] == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 56746943632404217731/2500000000000000000000000000000000000))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 612323399573676603587/10000000000000000000000000000000000000) == atanlo_atan[3bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 785398163397448278999/1000000000000000000000) == atanhi_atan[1bv32])) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 92729521800161218703/200000000000000000000) == atanhi_atan[0bv32]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 81 locations, 1 error locations. SAFE Result, 288.2s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 202.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 563 SDtfs, 483 SDslu, 2453 SDs, 0 SdLazy, 777 SolverSat, 49 SolverUnsat, 58 SolverUnknown, 0 SolverNotchecked, 159.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 31.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 13 PreInvPairs, 17 NumberOfFragments, 453 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 1100 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 18.5s SatisfiabilityAnalysisTime, 60.6s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 351 ConstructedInterpolants, 129 QuantifiedInterpolants, 183846 SizeOfPredicates, 64 NumberOfNonLiveVariables, 951 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...