/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a_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_0730a_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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 .............................................................................................................................................................................................................................................................................................................................. 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_0730a_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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 14:44:37,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:44:37,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:44:37,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:44:37,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:44:37,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:44:37,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:44:37,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:44:37,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:44:37,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:44:37,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:44:37,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:44:37,466 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:44:37,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:44:37,474 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:44:37,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:44:37,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:44:37,484 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:44:37,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:44:37,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:44:37,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:44:37,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:44:37,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:44:37,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:44:37,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:44:37,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:44:37,500 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:44:37,501 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:44:37,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:44:37,506 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:44:37,506 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:44:37,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:44:37,507 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:44:37,507 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:44:37,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:44:37,511 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:44:37,511 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:44:37,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:44:37,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:44:37,539 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:44:37,539 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:44:37,540 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:44:37,540 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:44:37,540 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:44:37,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:44:37,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:44:37,541 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:44:37,541 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:44:37,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:44:37,541 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:44:37,541 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:44:37,542 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:44:37,543 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:44:37,543 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:44:37,543 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:44:37,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:44:37,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:44:37,544 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:44:37,544 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:44:37,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:44:37,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:44:37,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:44:37,546 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:44:37,546 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:44:37,546 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:44:37,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:44:37,546 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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 [2018-09-20 14:44:37,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:44:37,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:44:37,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:44:37,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:44:37,648 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:44:37,649 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-20 14:44:37,903 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b7b99f3b/1181329d9ffa43978b9016aa49fa49a5/FLAG1fdf5e0e8 [2018-09-20 14:44:38,158 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:44:38,159 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-20 14:44:38,167 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b7b99f3b/1181329d9ffa43978b9016aa49fa49a5/FLAG1fdf5e0e8 [2018-09-20 14:44:38,183 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b7b99f3b/1181329d9ffa43978b9016aa49fa49a5 [2018-09-20 14:44:38,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:44:38,190 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:44:38,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:44:38,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:44:38,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:44:38,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbb269a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38, skipping insertion in model container [2018-09-20 14:44:38,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,212 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:44:38,493 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:44:38,520 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:44:38,583 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:44:38,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38 WrapperNode [2018-09-20 14:44:38,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:44:38,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:44:38,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:44:38,643 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:44:38,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (1/1) ... [2018-09-20 14:44:38,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:44:38,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:44:38,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:44:38,740 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:44:38,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (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 14:44:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:44:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:44:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:44:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:44:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:44:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:44:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:44:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:44:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:44:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:44:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:44:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:44:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:44:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:44:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:44:39,869 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:44:39,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:44:39 BoogieIcfgContainer [2018-09-20 14:44:39,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:44:39,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:44:39,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:44:39,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:44:39,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:44:38" (1/3) ... [2018-09-20 14:44:39,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658bc233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:44:39, skipping insertion in model container [2018-09-20 14:44:39,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:38" (2/3) ... [2018-09-20 14:44:39,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658bc233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:44:39, skipping insertion in model container [2018-09-20 14:44:39,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:44:39" (3/3) ... [2018-09-20 14:44:39,882 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-09-20 14:44:39,892 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:44:39,902 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:44:39,953 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:44:39,954 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:44:39,954 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:44:39,954 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:44:39,955 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:44:39,955 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:44:39,955 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:44:39,956 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:44:39,956 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:44:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-09-20 14:44:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 14:44:39,990 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:44:39,991 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] [2018-09-20 14:44:39,994 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:44:39,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1342917423, now seen corresponding path program 1 times [2018-09-20 14:44:40,002 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:44:40,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:44:40,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:44:40,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:44:40,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:44:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:44:40,165 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 14:44:40,167 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:44:40,168 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:44:40,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:44:40,185 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:44:40,185 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:44:40,188 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-09-20 14:44:40,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:44:40,222 INFO L93 Difference]: Finished difference Result 198 states and 259 transitions. [2018-09-20 14:44:40,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:44:40,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 14:44:40,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:44:40,233 INFO L225 Difference]: With dead ends: 198 [2018-09-20 14:44:40,233 INFO L226 Difference]: Without dead ends: 99 [2018-09-20 14:44:40,237 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 14:44:40,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-09-20 14:44:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-09-20 14:44:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-09-20 14:44:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2018-09-20 14:44:40,286 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 22 [2018-09-20 14:44:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:44:40,286 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2018-09-20 14:44:40,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:44:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2018-09-20 14:44:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 14:44:40,293 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:44:40,293 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] [2018-09-20 14:44:40,293 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:44:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash -413860329, now seen corresponding path program 1 times [2018-09-20 14:44:40,294 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:44:40,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:44:40,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:44:40,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:44:40,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:44:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:44:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:44:40,519 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:44:40,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:44:40 BoogieIcfgContainer [2018-09-20 14:44:40,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:44:40,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:44:40,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:44:40,564 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:44:40,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:44:39" (3/4) ... [2018-09-20 14:44:40,568 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:44:40,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:44:40,569 INFO L168 Benchmark]: Toolchain (without parser) took 2382.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -111.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:44:40,571 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 14:44:40,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.81 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:44:40,572 INFO L168 Benchmark]: Boogie Preprocessor took 97.06 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:44:40,573 INFO L168 Benchmark]: RCFGBuilder took 1131.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:44:40,574 INFO L168 Benchmark]: TraceAbstraction took 690.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:44:40,575 INFO L168 Benchmark]: Witness Printer took 4.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:44:40,579 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 451.81 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.06 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1131.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 690.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 160]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=10737418245, \old(tiny_sqrt)=10737418249, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] double x = 1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=10737418246, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=10737418246, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L29] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418246, ew_u={10737418248:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L30] FCALL ew_u.value = (x) VAL [\old(x)=10737418246, ew_u={10737418248:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L31] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.msw=6442450943, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L31] (ix0) = ew_u.parts.msw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.msw=6442450943, ix0=2147483647, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L31] FCALL (ix0) = ew_u.parts.msw VAL [(ix0) = ew_u.parts.msw=10737418250, \old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.msw=6442450943, ix0=2147483647, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L32] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.lsw=10737418251, ix0=2147483647, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L32] (ix1) = ew_u.parts.lsw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.lsw=10737418251, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L32] FCALL (ix1) = ew_u.parts.lsw VAL [(ix1) = ew_u.parts.lsw=10737418243, \old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.lsw=10737418251, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L33] COND FALSE !(0) VAL [\old(x)=10737418246, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] RET return x * x + x; VAL [\old(x)=10737418246, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L156] EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L156] double res = __ieee754_sqrt(x); [L159] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L134] __int32_t hx, lx; VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L136] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418244, ew_u={10737418252:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L137] FCALL ew_u.value = (x) VAL [\old(x)=10737418244, ew_u={10737418252:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L138] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.msw=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L138] (hx) = ew_u.parts.msw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.msw=3, hx=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L138] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418240, \old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.msw=3, hx=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L139] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.lsw=10737418239, hx=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L139] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.lsw=10737418239, hx=3, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L139] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418241, \old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.lsw=10737418239, hx=3, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L140] COND FALSE !(0) VAL [\old(x)=10737418244, hx=3, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L141] hx &= 0x7fffffff [L142] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L143] hx = 0x7ff00000 - hx [L144] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418244, \result=0, hx=2146435072, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L159] EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=10737418244, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L159] COND TRUE !isinf_double(res) [L160] __VERIFIER_error() VAL [one_sqrt=1, res=10737418244, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 106 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 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=103occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 14:44:42,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:44:42,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:44:42,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:44:42,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:44:42,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:44:42,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:44:42,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:44:42,847 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:44:42,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:44:42,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:44:42,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:44:42,854 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:44:42,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:44:42,859 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:44:42,860 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:44:42,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:44:42,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:44:42,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:44:42,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:44:42,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:44:42,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:44:42,877 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:44:42,877 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:44:42,877 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:44:42,880 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:44:42,881 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:44:42,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:44:42,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:44:42,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:44:42,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:44:42,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:44:42,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:44:42,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:44:42,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:44:42,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:44:42,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:44:42,906 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:44:42,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:44:42,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:44:42,907 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:44:42,908 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:44:42,908 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:44:42,908 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:44:42,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:44:42,909 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:44:42,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:44:42,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:44:42,909 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:44:42,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:44:42,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:44:42,910 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:44:42,910 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:44:42,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:44:42,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:44:42,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:44:42,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:44:42,911 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:44:42,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:44:42,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:44:42,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:44:42,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:44:42,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:44:42,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:44:42,916 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:44:42,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:44:42,917 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:44:42,917 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:44:42,917 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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 [2018-09-20 14:44:42,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:44:42,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:44:43,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:44:43,006 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:44:43,007 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:44:43,007 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-20 14:44:43,343 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c37de06/0d80c3b0136d4876b772a0a856c52f6d/FLAGad5763646 [2018-09-20 14:44:43,523 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:44:43,524 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-20 14:44:43,537 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c37de06/0d80c3b0136d4876b772a0a856c52f6d/FLAGad5763646 [2018-09-20 14:44:43,561 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c37de06/0d80c3b0136d4876b772a0a856c52f6d [2018-09-20 14:44:43,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:44:43,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:44:43,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:44:43,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:44:43,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:44:43,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:44:43" (1/1) ... [2018-09-20 14:44:43,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cdad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:43, skipping insertion in model container [2018-09-20 14:44:43,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:44:43" (1/1) ... [2018-09-20 14:44:43,596 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:44:43,943 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:44:43,972 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:44:44,021 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:44:44,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44 WrapperNode [2018-09-20 14:44:44,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:44:44,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:44:44,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:44:44,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:44:44,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (1/1) ... [2018-09-20 14:44:44,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:44:44,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:44:44,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:44:44,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:44:44,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (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 14:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:44:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:44:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:44:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:44:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:44:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:44:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:44:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:44:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:44:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:44:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:44:44,605 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:44:44,637 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:44:44,663 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:44:44,864 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:44:44,892 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:44:44,915 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:44:48,503 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:44:48,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:44:48 BoogieIcfgContainer [2018-09-20 14:44:48,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:44:48,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:44:48,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:44:48,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:44:48,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:44:43" (1/3) ... [2018-09-20 14:44:48,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298e1f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:44:48, skipping insertion in model container [2018-09-20 14:44:48,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:44:44" (2/3) ... [2018-09-20 14:44:48,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298e1f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:44:48, skipping insertion in model container [2018-09-20 14:44:48,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:44:48" (3/3) ... [2018-09-20 14:44:48,511 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-09-20 14:44:48,520 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:44:48,527 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:44:48,569 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:44:48,570 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:44:48,570 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:44:48,570 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:44:48,570 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:44:48,571 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:44:48,572 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:44:48,572 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:44:48,572 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:44:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-09-20 14:44:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 14:44:48,601 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:44:48,602 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] [2018-09-20 14:44:48,604 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:44:48,609 INFO L82 PathProgramCache]: Analyzing trace with hash -550728172, now seen corresponding path program 1 times [2018-09-20 14:44:48,613 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:44:48,614 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 14:44:48,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:44:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:44:48,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:44:48,998 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 14:44:48,999 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:44:49,018 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:44:49,018 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:44:49,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:44:49,037 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:44:49,038 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:44:49,041 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 2 states. [2018-09-20 14:44:49,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:44:49,079 INFO L93 Difference]: Finished difference Result 196 states and 257 transitions. [2018-09-20 14:44:49,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:44:49,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 14:44:49,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:44:49,096 INFO L225 Difference]: With dead ends: 196 [2018-09-20 14:44:49,097 INFO L226 Difference]: Without dead ends: 98 [2018-09-20 14:44:49,101 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 14:44:49,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-09-20 14:44:49,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-09-20 14:44:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-20 14:44:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2018-09-20 14:44:49,144 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 21 [2018-09-20 14:44:49,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:44:49,145 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2018-09-20 14:44:49,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:44:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-09-20 14:44:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-20 14:44:49,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:44:49,148 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] [2018-09-20 14:44:49,148 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:44:49,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1718895689, now seen corresponding path program 1 times [2018-09-20 14:44:49,150 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:44:49,150 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) [2018-09-20 14:44:49,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:44:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:44:49,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:44:52,256 WARN L819 $PredicateComparison]: unable to prove that (= |c___ieee754_sqrt_#res| (fp.add RNE (fp.mul RNE |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|) |c___ieee754_sqrt_#in~x|)) is different from true [2018-09-20 14:44:52,580 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:44:52,596 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:44:52,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-20 14:44:52,656 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:44:52,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 14:44:52,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:44:52,705 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:44:52,774 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 14:44:52,775 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 14:44:53,268 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:44:53,269 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:44:53,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 54 treesize of output 56 [2018-09-20 14:44:53,283 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:44:53,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-20 14:44:53,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:44:53,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:44:53,399 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 14:44:53,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-20 14:44:53,553 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 35 treesize of output 27 [2018-09-20 14:44:53,561 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:44:53,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-20 14:44:53,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:44:53,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:44:53,691 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 14:44:53,692 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-20 14:44:54,429 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 14:44:54,430 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:44:54,448 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:44:54,449 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-20 14:44:54,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-20 14:44:54,453 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-20 14:44:54,454 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=156, Unknown=1, NotChecked=24, Total=210 [2018-09-20 14:44:54,454 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand 15 states. [2018-09-20 14:45:29,018 WARN L178 SmtUtils]: Spent 8.26 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 14:45:42,192 WARN L178 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:45:42,503 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:45:42,799 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:45:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:45:44,220 INFO L93 Difference]: Finished difference Result 105 states and 124 transitions. [2018-09-20 14:45:44,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-20 14:45:44,222 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-09-20 14:45:44,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:45:44,227 INFO L225 Difference]: With dead ends: 105 [2018-09-20 14:45:44,227 INFO L226 Difference]: Without dead ends: 98 [2018-09-20 14:45:44,229 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=108, Invalid=591, Unknown=7, NotChecked=50, Total=756 [2018-09-20 14:45:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-09-20 14:45:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-09-20 14:45:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-20 14:45:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-09-20 14:45:44,246 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 47 [2018-09-20 14:45:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:45:44,246 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-09-20 14:45:44,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-20 14:45:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-09-20 14:45:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 14:45:44,248 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:45:44,249 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] [2018-09-20 14:45:44,249 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:45:44,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1496742675, now seen corresponding path program 1 times [2018-09-20 14:45:44,250 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:45:44,250 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 14:45:44,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:45:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:45:44,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:45:44,373 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 14:45:44,394 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 14:45:44,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:45:44,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:45:44,450 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 14:45:44,450 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:45:44,490 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 14:45:44,494 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 14:45:44,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:45:44,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:45:44,509 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 14:45:44,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:45:44,642 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 14:45:44,643 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:45:44,659 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:45:44,659 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:45:44,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:45:44,660 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:45:44,660 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:45:44,660 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 8 states. [2018-09-20 14:45:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:45:48,790 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2018-09-20 14:45:48,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:45:48,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-09-20 14:45:48,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:45:48,792 INFO L225 Difference]: With dead ends: 107 [2018-09-20 14:45:48,792 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:45:48,793 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:45:48,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:45:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:45:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:45:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:45:48,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-20 14:45:48,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:45:48,794 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:45:48,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:45:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:45:48,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:45:48,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:45:49,088 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-09-20 14:45:49,088 INFO L426 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-09-20 14:45:49,088 INFO L426 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-09-20 14:45:49,088 INFO L426 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-09-20 14:45:49,088 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-09-20 14:45:49,088 INFO L426 ceAbstractionStarter]: For program point L85-1(lines 85 101) no Hoare annotation was computed. [2018-09-20 14:45:49,089 INFO L422 ceAbstractionStarter]: At program point L85-3(lines 85 101) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (= (bvadd (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2146435072 32)) (_ bv2148532224 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_sqrt_#in~x|)))) [2018-09-20 14:45:49,089 INFO L426 ceAbstractionStarter]: For program point L85-4(lines 22 130) no Hoare annotation was computed. [2018-09-20 14:45:49,089 INFO L426 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-09-20 14:45:49,089 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-20 14:45:49,089 INFO L426 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-09-20 14:45:49,089 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L127-2(line 127) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L127-3(line 127) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L422 ceAbstractionStarter]: At program point L28-3(lines 28 33) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L28-4(lines 22 130) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L53-1(lines 53 54) no Hoare annotation was computed. [2018-09-20 14:45:49,090 INFO L426 ceAbstractionStarter]: For program point L53-3(lines 53 54) no Hoare annotation was computed. [2018-09-20 14:45:49,091 INFO L422 ceAbstractionStarter]: At program point L53-4(lines 53 54) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (= (bvadd (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2146435072 32)) (_ bv2148532224 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_sqrt_#in~x|)))) [2018-09-20 14:45:49,091 INFO L426 ceAbstractionStarter]: For program point L53-5(lines 53 54) no Hoare annotation was computed. [2018-09-20 14:45:49,091 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-09-20 14:45:49,091 INFO L426 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-09-20 14:45:49,091 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-09-20 14:45:49,091 INFO L426 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L29-2(line 29) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L29-3(line 29) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-09-20 14:45:49,092 INFO L426 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L426 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L426 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 72 82) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L426 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-09-20 14:45:49,093 INFO L422 ceAbstractionStarter]: At program point L72-3(lines 72 82) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (= (bvadd (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2146435072 32)) (_ bv2148532224 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_sqrt_#in~x|)))) [2018-09-20 14:45:49,094 INFO L426 ceAbstractionStarter]: For program point L72-4(lines 72 82) no Hoare annotation was computed. [2018-09-20 14:45:49,094 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-20 14:45:49,094 INFO L426 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-09-20 14:45:49,094 INFO L426 ceAbstractionStarter]: For program point L31-2(line 31) no Hoare annotation was computed. [2018-09-20 14:45:49,094 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-09-20 14:45:49,094 INFO L422 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (= (bvadd (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2146435072 32)) (_ bv2148532224 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_sqrt_#in~x|)))) [2018-09-20 14:45:49,094 INFO L426 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-09-20 14:45:49,095 INFO L426 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-09-20 14:45:49,095 INFO L426 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-09-20 14:45:49,095 INFO L426 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-09-20 14:45:49,095 INFO L426 ceAbstractionStarter]: For program point L32-2(line 32) no Hoare annotation was computed. [2018-09-20 14:45:49,095 INFO L426 ceAbstractionStarter]: For program point L32-3(line 32) no Hoare annotation was computed. [2018-09-20 14:45:49,095 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-09-20 14:45:49,096 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-20 14:45:49,096 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-09-20 14:45:49,096 INFO L426 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-09-20 14:45:49,096 INFO L422 ceAbstractionStarter]: At program point L123-3(lines 123 128) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (not (= (bvadd (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2146435072 32)) (_ bv2148532224 32)) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_sqrt_#in~x|)))) [2018-09-20 14:45:49,096 INFO L426 ceAbstractionStarter]: For program point L123-4(lines 123 128) no Hoare annotation was computed. [2018-09-20 14:45:49,096 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-09-20 14:45:49,096 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L124-3(line 124) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-09-20 14:45:49,097 INFO L426 ceAbstractionStarter]: For program point isnan_doubleENTRY(line 18) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 18) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 18) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-09-20 14:45:49,098 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-20 14:45:49,099 INFO L426 ceAbstractionStarter]: For program point L139-2(line 139) no Hoare annotation was computed. [2018-09-20 14:45:49,099 INFO L426 ceAbstractionStarter]: For program point L139-3(line 139) no Hoare annotation was computed. [2018-09-20 14:45:49,099 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 135 140) no Hoare annotation was computed. [2018-09-20 14:45:49,099 INFO L422 ceAbstractionStarter]: At program point L135-3(lines 135 140) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-09-20 14:45:49,099 INFO L426 ceAbstractionStarter]: For program point L135-4(lines 135 140) no Hoare annotation was computed. [2018-09-20 14:45:49,099 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 133 145) no Hoare annotation was computed. [2018-09-20 14:45:49,099 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 133 145) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L429 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 133 145) the Hoare annotation is: true [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L136-2(line 136) no Hoare annotation was computed. [2018-09-20 14:45:49,100 INFO L426 ceAbstractionStarter]: For program point L136-3(line 136) no Hoare annotation was computed. [2018-09-20 14:45:49,101 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:45:49,101 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 14:45:49,101 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:45:49,101 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:45:49,101 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-20 14:45:49,101 INFO L422 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)))) (and (= main_~res~0 (fp.add RNE (fp.mul RNE .cse0 .cse0) .cse0)) (= .cse0 main_~x~0))) [2018-09-20 14:45:49,101 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 159 162) no Hoare annotation was computed. [2018-09-20 14:45:49,102 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 147 165) the Hoare annotation is: true [2018-09-20 14:45:49,102 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 147 165) no Hoare annotation was computed. [2018-09-20 14:45:49,102 INFO L422 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 11 53) RNE 1.0) (_ +zero 11 53)) main_~x~0) [2018-09-20 14:45:49,102 INFO L426 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-09-20 14:45:49,102 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-09-20 14:45:49,102 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 147 165) no Hoare annotation was computed. [2018-09-20 14:45:49,108 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,109 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,117 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,121 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,121 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,121 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,123 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,123 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,123 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,123 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,124 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,124 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,130 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,130 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,131 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,131 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,132 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,132 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,132 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,132 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,134 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,137 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,144 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,145 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,146 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,146 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,146 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:45:49 BoogieIcfgContainer [2018-09-20 14:45:49,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:45:49,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:45:49,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:45:49,153 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:45:49,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:44:48" (3/4) ... [2018-09-20 14:45:49,159 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:45:49,169 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-20 14:45:49,169 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 14:45:49,170 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:45:49,170 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-20 14:45:49,170 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:45:49,182 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-09-20 14:45:49,183 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-20 14:45:49,184 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 14:45:49,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 14:45:49,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 14:45:49,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) [2018-09-20 14:45:49,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) [2018-09-20 14:45:49,220 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) [2018-09-20 14:45:49,220 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) [2018-09-20 14:45:49,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) [2018-09-20 14:45:49,273 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:45:49,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:45:49,275 INFO L168 Benchmark]: Toolchain (without parser) took 65707.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 953.2 MB in the beginning and 830.9 MB in the end (delta: 122.3 MB). Peak memory consumption was 260.2 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:49,276 INFO L168 Benchmark]: CDTParser took 0.20 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 14:45:49,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:49,277 INFO L168 Benchmark]: Boogie Preprocessor took 73.31 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:45:49,278 INFO L168 Benchmark]: RCFGBuilder took 4326.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:49,278 INFO L168 Benchmark]: TraceAbstraction took 60646.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 837.5 MB in the end (delta: 254.6 MB). Peak memory consumption was 254.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:49,279 INFO L168 Benchmark]: Witness Printer took 122.31 ms. Allocated memory is still 1.2 GB. Free memory was 837.5 MB in the beginning and 830.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:49,283 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 531.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.31 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4326.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 60646.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 837.5 MB in the end (delta: 254.6 MB). Peak memory consumption was 254.6 MB. Max. memory is 11.5 GB. * Witness Printer took 122.31 ms. Allocated memory is still 1.2 GB. Free memory was 837.5 MB in the beginning and 830.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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: 72]: Loop Invariant [2018-09-20 14:45:49,296 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,297 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,297 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,297 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,301 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,301 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,301 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,301 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) - InvariantResult [Line: 53]: Loop Invariant [2018-09-20 14:45:49,302 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,302 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,302 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,303 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,304 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,304 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) - InvariantResult [Line: 123]: Loop Invariant [2018-09-20 14:45:49,308 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,308 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,308 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,308 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,309 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,309 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,309 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,310 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) - InvariantResult [Line: 48]: Loop Invariant [2018-09-20 14:45:49,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,311 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,312 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,312 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,315 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,316 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,316 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,316 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 85]: Loop Invariant [2018-09-20 14:45:49,317 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,320 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,321 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,321 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,322 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,322 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,322 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:45:49,322 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_9 : bv64 :: !(~bvadd64(~bvand32(v_q#valueAsBitvector_9[63:32], 2146435072bv32), 2148532224bv32) == 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 105 locations, 1 error locations. SAFE Result, 60.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 53.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 294 SDtfs, 279 SDslu, 1237 SDs, 0 SdLazy, 328 SolverSat, 23 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 33.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 19 PreInvPairs, 29 NumberOfFragments, 173 HoareAnnotationTreeSize, 19 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 31 QuantifiedInterpolants, 44354 SizeOfPredicates, 18 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...