/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250b_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 4dddb731074a9a249891d6adbc7c778d25efe28d ............................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250b_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 4dddb731074a9a249891d6adbc7c778d25efe28d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:09:31,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:31,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:31,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:31,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:31,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:31,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:31,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:31,670 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:31,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:31,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:31,673 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:31,674 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:31,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:31,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:31,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:31,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:31,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:31,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:31,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:31,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:31,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:31,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:31,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:31,692 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:31,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:31,695 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:31,695 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:31,696 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:31,698 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:31,698 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:31,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:31,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:31,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:31,701 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:31,702 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:31,703 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:09:31,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:31,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:31,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:31,721 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:31,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:31,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:31,722 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:31,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:31,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:31,722 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:09:31,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:31,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:31,724 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:31,724 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:31,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:31,724 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:31,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:31,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:31,725 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:31,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:31,725 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:31,727 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:31,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:31,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:31,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:31,728 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:31,728 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:09:31,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:31,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:09:31,728 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2018-09-20 15:09:31,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:31,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:31,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:31,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:31,800 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:31,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-09-20 15:09:32,157 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79d068f1/e3e95f8097b94aefaa164388b738b8ff/FLAGc663082e3 [2018-09-20 15:09:32,415 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:32,417 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-09-20 15:09:32,433 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79d068f1/e3e95f8097b94aefaa164388b738b8ff/FLAGc663082e3 [2018-09-20 15:09:32,458 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79d068f1/e3e95f8097b94aefaa164388b738b8ff [2018-09-20 15:09:32,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:32,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:32,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:32,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:32,477 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:32,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:32,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ecfc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32, skipping insertion in model container [2018-09-20 15:09:32,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:32,497 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:32,788 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:32,814 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:32,881 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:32,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32 WrapperNode [2018-09-20 15:09:32,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:32,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:32,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:32,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:32,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:32,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:32,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:32,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:33,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:33,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:33,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... [2018-09-20 15:09:33,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:33,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:33,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:33,048 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:33,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-09-20 15:09:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:09:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:09:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:09:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:09:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:09:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:09:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:09:34,408 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:34,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:34 BoogieIcfgContainer [2018-09-20 15:09:34,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:34,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:34,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:34,414 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:34,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:32" (1/3) ... [2018-09-20 15:09:34,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56bf99c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:34, skipping insertion in model container [2018-09-20 15:09:34,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:32" (2/3) ... [2018-09-20 15:09:34,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56bf99c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:34, skipping insertion in model container [2018-09-20 15:09:34,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:34" (3/3) ... [2018-09-20 15:09:34,418 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b_true-unreach-call.c [2018-09-20 15:09:34,429 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:34,438 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:34,493 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:34,494 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:34,494 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:34,495 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:34,495 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:34,495 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:34,497 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:34,497 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:34,497 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-09-20 15:09:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:09:34,529 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:34,531 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 15:09:34,534 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:34,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2065751243, now seen corresponding path program 1 times [2018-09-20 15:09:34,542 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:34,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:34,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:34,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:34,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:09:34,727 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:34,727 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:34,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:34,748 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:34,749 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:34,753 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-09-20 15:09:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:34,795 INFO L93 Difference]: Finished difference Result 260 states and 330 transitions. [2018-09-20 15:09:34,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:34,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:09:34,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:34,812 INFO L225 Difference]: With dead ends: 260 [2018-09-20 15:09:34,812 INFO L226 Difference]: Without dead ends: 130 [2018-09-20 15:09:34,818 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:34,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-20 15:09:34,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-09-20 15:09:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 15:09:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-09-20 15:09:34,877 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-09-20 15:09:34,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:34,878 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-09-20 15:09:34,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-09-20 15:09:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:09:34,880 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:34,880 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:09:34,881 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:34,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2088857343, now seen corresponding path program 1 times [2018-09-20 15:09:34,882 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:34,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:34,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:34,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:34,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:35,084 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:09:35,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:09:35 BoogieIcfgContainer [2018-09-20 15:09:35,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:09:35,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:09:35,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:09:35,184 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:09:35,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:34" (3/4) ... [2018-09-20 15:09:35,194 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:09:35,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:09:35,195 INFO L168 Benchmark]: Toolchain (without parser) took 2731.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -73.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:35,198 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:35,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.43 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 15:09:35,201 INFO L168 Benchmark]: Boogie Preprocessor took 109.85 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:35,203 INFO L168 Benchmark]: RCFGBuilder took 1365.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:35,205 INFO L168 Benchmark]: TraceAbstraction took 772.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:35,206 INFO L168 Benchmark]: Witness Printer took 10.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:35,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.43 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 109.85 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1365.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 772.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 10.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(huge_floor)=6442450948, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450961, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450959, \old(pS1_asin)=6442450954, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450958, \old(pS4_asin)=6442450964, \old(pS5_asin)=6442450956, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450965, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450962, \old(tiny_sqrt)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L228] float x = -1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L157] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450955, gf_u={6442450966:0}, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L158] FCALL gf_u.value = (x) VAL [\old(x)=6442450955, gf_u={6442450966:0}, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] EXPR, FCALL gf_u.word VAL [\old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] (hx) = gf_u.word VAL [\old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450960, \old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L160] COND FALSE !(0) VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L161] ix = hx & 0x7fffffff VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L162] COND TRUE ix == 0x3f800000 [L164] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L229] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L229] float res = __ieee754_asinf(x); [L232] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L58] RET return x != x; VAL [\old(x)=6442450953, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450953] [L232] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 169 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 151 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=134occurred 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, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:09:37,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:37,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:37,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:37,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:37,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:37,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:37,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:37,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:37,766 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:37,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:37,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:37,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:37,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:37,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:37,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:37,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:37,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:37,790 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:37,793 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:37,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:37,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:37,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:37,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:37,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:37,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:37,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:37,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:37,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:37,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:37,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:37,812 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:37,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:37,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:37,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:37,817 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:37,818 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:09:37,849 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:37,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:37,850 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:37,851 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:37,851 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:37,853 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:37,853 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:37,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:37,853 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:37,853 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:37,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:37,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:37,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:37,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:37,854 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:09:37,854 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:09:37,856 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:37,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:37,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:37,857 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:37,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:37,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:37,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:37,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:37,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:37,858 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:37,858 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:37,858 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:09:37,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:37,859 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:09:37,859 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:09:37,859 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2018-09-20 15:09:37,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:37,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:37,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:37,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:37,931 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:37,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-09-20 15:09:38,339 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d627034ba/3a5da725b5254e2c866b9b56e491ec30/FLAG2fa4890e1 [2018-09-20 15:09:38,544 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:38,545 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250b_true-unreach-call.c [2018-09-20 15:09:38,560 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d627034ba/3a5da725b5254e2c866b9b56e491ec30/FLAG2fa4890e1 [2018-09-20 15:09:38,580 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d627034ba/3a5da725b5254e2c866b9b56e491ec30 [2018-09-20 15:09:38,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:38,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:38,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:38,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:38,597 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:38,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:38" (1/1) ... [2018-09-20 15:09:38,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac5afb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:38, skipping insertion in model container [2018-09-20 15:09:38,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:38" (1/1) ... [2018-09-20 15:09:38,613 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:38,925 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:38,946 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:39,004 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:39,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39 WrapperNode [2018-09-20 15:09:39,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:39,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:39,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:39,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:39,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... [2018-09-20 15:09:39,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:39,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:39,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:39,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:39,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-09-20 15:09:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:09:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-09-20 15:09:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:09:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:09:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:09:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:09:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:09:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:09:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:09:39,743 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:39,756 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:47,129 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:47,143 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:49,634 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:49,675 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:50,128 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:50,181 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:50,273 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:50,282 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:51,096 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:51,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:51 BoogieIcfgContainer [2018-09-20 15:09:51,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:51,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:51,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:51,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:51,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:38" (1/3) ... [2018-09-20 15:09:51,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32099cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:51, skipping insertion in model container [2018-09-20 15:09:51,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:39" (2/3) ... [2018-09-20 15:09:51,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32099cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:51, skipping insertion in model container [2018-09-20 15:09:51,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:51" (3/3) ... [2018-09-20 15:09:51,105 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b_true-unreach-call.c [2018-09-20 15:09:51,113 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:51,123 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:51,172 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:51,173 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:51,173 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:51,173 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:51,173 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:51,173 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:51,173 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:51,173 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:51,174 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-09-20 15:09:51,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-20 15:09:51,204 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:51,205 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] [2018-09-20 15:09:51,208 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:51,214 INFO L82 PathProgramCache]: Analyzing trace with hash -117059629, now seen corresponding path program 1 times [2018-09-20 15:09:51,219 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:51,221 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) [2018-09-20 15:09:51,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:09:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:51,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:09:51,626 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:51,647 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:51,647 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:51,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:51,668 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:51,669 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:51,671 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-09-20 15:09:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:51,713 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2018-09-20 15:09:51,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:51,715 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-20 15:09:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:51,729 INFO L225 Difference]: With dead ends: 258 [2018-09-20 15:09:51,730 INFO L226 Difference]: Without dead ends: 129 [2018-09-20 15:09:51,735 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-09-20 15:09:51,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-09-20 15:09:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:09:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2018-09-20 15:09:51,793 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 20 [2018-09-20 15:09:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:51,793 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2018-09-20 15:09:51,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2018-09-20 15:09:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 15:09:51,795 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:51,795 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] [2018-09-20 15:09:51,796 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:51,796 INFO L82 PathProgramCache]: Analyzing trace with hash 2092864102, now seen corresponding path program 1 times [2018-09-20 15:09:51,797 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:51,797 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:09:51,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:52,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:52,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:09:52,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:09:52,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:52,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:52,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:52,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:09:52,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:09:52,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:09:52,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:52,302 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:52,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:52,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:09:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:09:52,784 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:52,805 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:52,805 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:09:52,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:09:52,808 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:09:52,809 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:09:52,809 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand 9 states. [2018-09-20 15:10:00,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:00,898 INFO L93 Difference]: Finished difference Result 142 states and 159 transitions. [2018-09-20 15:10:00,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:00,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-20 15:10:00,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:00,905 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:10:00,905 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 15:10:00,907 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:00,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 15:10:00,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2018-09-20 15:10:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:10:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 145 transitions. [2018-09-20 15:10:00,923 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 145 transitions. Word has length 29 [2018-09-20 15:10:00,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:00,923 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 145 transitions. [2018-09-20 15:10:00,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:00,924 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2018-09-20 15:10:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:10:00,925 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:00,925 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:00,925 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:00,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1585216761, now seen corresponding path program 1 times [2018-09-20 15:10:00,926 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:00,926 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:00,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:01,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:03,619 WARN L178 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 15:10:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:06,880 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:06,897 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:06,897 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:06,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:06,898 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:06,898 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:06,898 INFO L87 Difference]: Start difference. First operand 129 states and 145 transitions. Second operand 9 states. [2018-09-20 15:10:11,905 WARN L178 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 15:10:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:21,475 INFO L93 Difference]: Finished difference Result 138 states and 154 transitions. [2018-09-20 15:10:21,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-20 15:10:21,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:10:21,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:21,478 INFO L225 Difference]: With dead ends: 138 [2018-09-20 15:10:21,478 INFO L226 Difference]: Without dead ends: 131 [2018-09-20 15:10:21,479 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:10:21,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-20 15:10:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-09-20 15:10:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:10:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2018-09-20 15:10:21,497 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 30 [2018-09-20 15:10:21,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:21,498 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2018-09-20 15:10:21,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2018-09-20 15:10:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 15:10:21,500 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:21,501 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] [2018-09-20 15:10:21,501 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:21,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1154633071, now seen corresponding path program 1 times [2018-09-20 15:10:21,503 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:21,503 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:21,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:22,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:22,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:22,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:22,734 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:22,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:22,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:22,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:22,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:22,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:22,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:22,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:22,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:22,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:22,963 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:22,996 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:22,996 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:22,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:22,997 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:22,997 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:22,997 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 9 states. [2018-09-20 15:10:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:29,092 INFO L93 Difference]: Finished difference Result 142 states and 157 transitions. [2018-09-20 15:10:29,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:29,093 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-20 15:10:29,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:29,095 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:10:29,095 INFO L226 Difference]: Without dead ends: 108 [2018-09-20 15:10:29,096 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:29,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-09-20 15:10:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-09-20 15:10:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-20 15:10:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-09-20 15:10:29,108 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 32 [2018-09-20 15:10:29,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:29,109 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-09-20 15:10:29,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-09-20 15:10:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-20 15:10:29,112 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:29,113 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:29,113 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:29,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1692884503, now seen corresponding path program 1 times [2018-09-20 15:10:29,115 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:29,115 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:29,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:30,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:30,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:30,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:30,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:30,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:30,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:30,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:30,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:30,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:30,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:30,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:30,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:30,624 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:30,777 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:30,812 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:30,813 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:30,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:30,813 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:30,814 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:30,814 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 9 states. [2018-09-20 15:10:33,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:33,955 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2018-09-20 15:10:33,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:33,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-09-20 15:10:33,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:33,957 INFO L225 Difference]: With dead ends: 108 [2018-09-20 15:10:33,957 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:10:33,960 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:33,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:10:33,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:10:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:10:33,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:10:33,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-09-20 15:10:33,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:33,961 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:10:33,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:10:33,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:10:33,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:10:34,290 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:10:34,480 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-09-20 15:10:34,480 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-09-20 15:10:34,480 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-09-20 15:10:34,480 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:10:34,480 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L429 ceAbstractionStarter]: At program point L130-3(lines 130 134) the Hoare annotation is: true [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L135-2(lines 128 141) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-09-20 15:10:34,481 INFO L426 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L133-2(line 133) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L131-3(line 131) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-20 15:10:34,482 INFO L426 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L136-2(line 136) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L136-3(line 136) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-09-20 15:10:34,483 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:10:34,484 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 15:10:34,484 INFO L426 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-09-20 15:10:34,484 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-20 15:10:34,484 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-09-20 15:10:34,484 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:34,485 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:34,486 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point floor_floatENTRY(lines 14 55) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:10:34,487 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:10:34,488 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:10:34,488 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:10:34,488 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-09-20 15:10:34,488 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-09-20 15:10:34,488 INFO L426 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-09-20 15:10:34,488 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-09-20 15:10:34,488 INFO L422 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (let ((.cse1 (fp.sub RNE .cse0 .cse0))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-09-20 15:10:34,488 INFO L426 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-09-20 15:10:34,489 INFO L422 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:10:34,489 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-09-20 15:10:34,489 INFO L426 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-09-20 15:10:34,489 INFO L422 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:10:34,489 INFO L426 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-09-20 15:10:34,489 INFO L426 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-09-20 15:10:34,489 INFO L426 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-09-20 15:10:34,489 INFO L426 ceAbstractionStarter]: For program point L159-2(line 159) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L205-2(line 205) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L205-3(line 205) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-09-20 15:10:34,490 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L422 ceAbstractionStarter]: At program point L156-3(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L156-4(lines 156 160) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-09-20 15:10:34,491 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L157-3(line 157) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L429 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L207-2(line 207) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-09-20 15:10:34,492 INFO L422 ceAbstractionStarter]: At program point L199-3(lines 199 203) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:10:34,492 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L204-2(lines 196 214) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-09-20 15:10:34,493 INFO L426 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L422 ceAbstractionStarter]: At program point L167-1(lines 167 182) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point L200-2(line 200) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point L200-3(line 200) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point L68-3(line 68) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-09-20 15:10:34,494 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L70-2(line 70) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L429 ceAbstractionStarter]: At program point L121-3(lines 121 125) the Hoare annotation is: true [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L121-4(lines 121 125) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-09-20 15:10:34,495 INFO L426 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L122-2(line 122) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L122-3(line 122) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L98-1(lines 98 107) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L429 ceAbstractionStarter]: At program point L98-3(lines 98 107) the Hoare annotation is: true [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L98-4(lines 62 127) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-09-20 15:10:34,496 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L429 ceAbstractionStarter]: At program point L67-3(lines 67 71) the Hoare annotation is: true [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L67-4(lines 67 71) no Hoare annotation was computed. [2018-09-20 15:10:34,497 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 84 85) no Hoare annotation was computed. [2018-09-20 15:10:34,498 INFO L426 ceAbstractionStarter]: For program point L84-3(lines 84 85) no Hoare annotation was computed. [2018-09-20 15:10:34,498 INFO L429 ceAbstractionStarter]: At program point L84-4(lines 84 85) the Hoare annotation is: true [2018-09-20 15:10:34,498 INFO L426 ceAbstractionStarter]: For program point L84-5(lines 84 85) no Hoare annotation was computed. [2018-09-20 15:10:34,498 INFO L426 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-09-20 15:10:34,498 INFO L426 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-09-20 15:10:34,498 INFO L426 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-09-20 15:10:34,498 INFO L426 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-09-20 15:10:34,505 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,506 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,506 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,507 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,507 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,507 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,507 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,507 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,514 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,514 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,516 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:10:34 BoogieIcfgContainer [2018-09-20 15:10:34,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:10:34,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:10:34,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:10:34,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:10:34,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:51" (3/4) ... [2018-09-20 15:10:34,524 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:10:34,531 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:10:34,531 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:10:34,532 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:10:34,532 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-09-20 15:10:34,532 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:10:34,532 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-09-20 15:10:34,532 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:10:34,541 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-09-20 15:10:34,541 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-09-20 15:10:34,542 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:10:34,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:10:34,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-09-20 15:10:34,656 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:10:34,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:10:34,662 INFO L168 Benchmark]: Toolchain (without parser) took 56076.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 943.8 MB in the beginning and 1.2 GB in the end (delta: -219.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:34,663 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:34,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.97 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 922.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:34,663 INFO L168 Benchmark]: Boogie Preprocessor took 103.37 ms. Allocated memory is still 1.0 GB. Free memory is still 922.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:34,665 INFO L168 Benchmark]: RCFGBuilder took 11922.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 922.3 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:34,665 INFO L168 Benchmark]: TraceAbstraction took 43421.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:34,665 INFO L168 Benchmark]: Witness Printer took 141.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:34,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.97 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 922.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.37 ms. Allocated memory is still 1.0 GB. Free memory is still 922.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 11922.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 922.3 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43421.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 141.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-09-20 15:10:34,683 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,683 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,684 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,684 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,684 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,684 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,684 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,685 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,689 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,689 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,689 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,689 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,690 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,690 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,690 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:34,690 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 168 locations, 1 error locations. SAFE Result, 43.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 32.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 643 SDtfs, 362 SDslu, 3039 SDs, 0 SdLazy, 392 SolverSat, 29 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 209 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 20 QuantifiedInterpolants, 42724 SizeOfPredicates, 28 NumberOfNonLiveVariables, 649 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...