./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_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 80f5f1ccd9454019e5b231b920d368e18867583c ........................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:57:08,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:57:08,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:57:08,658 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:57:08,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:57:08,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:57:08,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:57:08,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:57:08,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:57:08,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:57:08,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:57:08,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:57:08,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:57:08,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:57:08,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:57:08,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:57:08,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:57:08,682 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:57:08,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:57:08,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:57:08,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:57:08,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:57:08,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:57:08,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:57:08,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:57:08,692 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:57:08,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:57:08,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:57:08,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:57:08,696 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:57:08,696 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:57:08,697 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:57:08,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:57:08,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:57:08,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:57:08,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:57:08,700 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:57:08,720 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:57:08,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:57:08,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:57:08,723 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:57:08,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:57:08,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:57:08,725 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:57:08,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:57:08,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:57:08,725 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:57:08,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:57:08,726 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:57:08,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:57:08,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:57:08,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:57:08,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:57:08,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:57:08,730 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:57:08,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:57:08,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:57:08,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:57:08,731 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:57:08,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:57:08,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:57:08,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:57:08,731 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:57:08,731 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:57:08,732 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:57:08,732 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:57:08,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:57:08,732 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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-11-28 17:57:08,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:57:08,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:57:08,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:57:08,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:57:08,791 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:57:08,793 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-28 17:57:08,877 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb748f1b/f9613c9e2bd74c32a13045eb0af6932e/FLAG1a5fb945a [2018-11-28 17:57:09,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:57:09,377 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-28 17:57:09,386 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb748f1b/f9613c9e2bd74c32a13045eb0af6932e/FLAG1a5fb945a [2018-11-28 17:57:09,706 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb748f1b/f9613c9e2bd74c32a13045eb0af6932e [2018-11-28 17:57:09,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:57:09,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:57:09,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:09,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:57:09,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:57:09,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:09" (1/1) ... [2018-11-28 17:57:09,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef72e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:09, skipping insertion in model container [2018-11-28 17:57:09,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:09" (1/1) ... [2018-11-28 17:57:09,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:57:09,775 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:57:10,098 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:10,114 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:57:10,196 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:10,233 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:57:10,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10 WrapperNode [2018-11-28 17:57:10,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:10,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:10,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:57:10,235 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:57:10,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:10,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:57:10,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:57:10,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:57:10,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:57:10,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:57:10,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:57:10,448 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:57:10,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (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 [2018-11-28 17:57:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:57:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:57:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-28 17:57:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-28 17:57:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 17:57:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 17:57:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:57:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:57:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-28 17:57:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-28 17:57:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 17:57:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:57:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:57:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:57:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 17:57:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 17:57:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 17:57:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:57:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-28 17:57:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-28 17:57:11,442 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:57:11,443 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-11-28 17:57:11,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:11 BoogieIcfgContainer [2018-11-28 17:57:11,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:57:11,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:57:11,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:57:11,448 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:57:11,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:57:09" (1/3) ... [2018-11-28 17:57:11,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af96f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:11, skipping insertion in model container [2018-11-28 17:57:11,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (2/3) ... [2018-11-28 17:57:11,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af96f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:11, skipping insertion in model container [2018-11-28 17:57:11,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:11" (3/3) ... [2018-11-28 17:57:11,452 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-11-28 17:57:11,462 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:57:11,471 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:57:11,489 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:57:11,523 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:57:11,524 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:57:11,524 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:57:11,524 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:57:11,525 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:57:11,525 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:57:11,526 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:57:11,526 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:57:11,526 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:57:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-28 17:57:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 17:57:11,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:11,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:11,563 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:11,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:11,571 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-11-28 17:57:11,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:57:11,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:57:11,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:11,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:11,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:11,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:11,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:57:11,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:57:11,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:57:11,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:11,759 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-28 17:57:11,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:11,795 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-11-28 17:57:11,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:57:11,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-28 17:57:11,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:11,807 INFO L225 Difference]: With dead ends: 152 [2018-11-28 17:57:11,808 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 17:57:11,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:11,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 17:57:11,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 17:57:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-11-28 17:57:11,861 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-11-28 17:57:11,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:11,862 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-11-28 17:57:11,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:57:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-11-28 17:57:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 17:57:11,863 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:11,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:11,864 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:11,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:11,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-11-28 17:57:11,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:57:11,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:57:11,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:11,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:11,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:57:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:57:11,998 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:57:12,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:57:12 BoogieIcfgContainer [2018-11-28 17:57:12,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:57:12,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:57:12,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:57:12,053 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:57:12,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:11" (3/4) ... [2018-11-28 17:57:12,059 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:57:12,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:57:12,060 INFO L168 Benchmark]: Toolchain (without parser) took 2350.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -100.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,063 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:57:12,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.28 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 931.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,066 INFO L168 Benchmark]: Boogie Preprocessor took 108.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,066 INFO L168 Benchmark]: RCFGBuilder took 995.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,068 INFO L168 Benchmark]: TraceAbstraction took 607.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,069 INFO L168 Benchmark]: Witness Printer took 6.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:57:12,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 523.28 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 931.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 995.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 607.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.65 ms. Allocated memory is still 1.2 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] 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)=25, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=20, \old(pio4_hi_asin)=12, \old(pS0_asin)=18, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=17, \old(pS4_asin)=23, \old(pS5_asin)=15, \old(qS1_asin)=27, \old(qS2_asin)=24, \old(qS3_asin)=5, \old(qS4_asin)=21, \old(tiny_sqrt)=22, huge_asin=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] [L193] float x = -0.0f; VAL [huge_asin=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] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=14, huge_asin=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] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=14, huge_asin=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=14] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, 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=14] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, 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=14] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=26, huge_asin=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=14] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=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=26, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=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=26, tiny_sqrt=1/1000000000000000000000000000000, x=14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 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=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 17:57:14,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:57:14,587 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:57:14,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:57:14,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:57:14,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:57:14,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:57:14,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:57:14,613 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:57:14,614 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:57:14,615 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:57:14,615 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:57:14,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:57:14,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:57:14,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:57:14,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:57:14,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:57:14,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:57:14,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:57:14,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:57:14,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:57:14,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:57:14,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:57:14,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:57:14,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:57:14,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:57:14,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:57:14,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:57:14,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:57:14,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:57:14,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:57:14,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:57:14,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:57:14,642 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:57:14,643 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:57:14,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:57:14,647 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:57:14,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:57:14,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:57:14,666 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:57:14,666 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:57:14,667 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:57:14,667 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:57:14,667 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:57:14,667 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:57:14,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:57:14,668 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:57:14,668 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:57:14,668 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:57:14,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:57:14,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:57:14,669 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:57:14,669 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:57:14,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:57:14,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:57:14,669 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:57:14,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:57:14,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:57:14,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:57:14,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:57:14,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:57:14,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:57:14,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:57:14,671 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:57:14,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:57:14,671 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:57:14,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:57:14,671 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:57:14,672 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:57:14,672 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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-11-28 17:57:14,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:57:14,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:57:14,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:57:14,761 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:57:14,761 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:57:14,762 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-28 17:57:14,838 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b226a9509/4dfb2a845b964161952d375aa65abf4d/FLAG6e494aa09 [2018-11-28 17:57:15,391 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:57:15,392 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-11-28 17:57:15,401 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b226a9509/4dfb2a845b964161952d375aa65abf4d/FLAG6e494aa09 [2018-11-28 17:57:15,710 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b226a9509/4dfb2a845b964161952d375aa65abf4d [2018-11-28 17:57:15,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:57:15,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:57:15,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:15,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:57:15,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:57:15,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:15" (1/1) ... [2018-11-28 17:57:15,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425fcdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:15, skipping insertion in model container [2018-11-28 17:57:15,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:15" (1/1) ... [2018-11-28 17:57:15,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:57:15,772 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:57:16,069 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:16,077 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:57:16,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:16,219 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:57:16,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16 WrapperNode [2018-11-28 17:57:16,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:16,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:16,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:57:16,220 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:57:16,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:16,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:57:16,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:57:16,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:57:16,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:57:16,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:57:16,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:57:16,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:57:16,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (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 [2018-11-28 17:57:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:57:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:57:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-28 17:57:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-28 17:57:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-28 17:57:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:57:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:57:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-28 17:57:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-28 17:57:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:57:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 17:57:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:57:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:57:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-28 17:57:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 17:57:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 17:57:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 17:57:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:57:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-28 17:57:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-28 17:57:16,821 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:16,914 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:28,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:28,378 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:29,509 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:29,513 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:57:29,514 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-11-28 17:57:29,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:29 BoogieIcfgContainer [2018-11-28 17:57:29,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:57:29,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:57:29,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:57:29,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:57:29,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:57:15" (1/3) ... [2018-11-28 17:57:29,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2011aa8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:29, skipping insertion in model container [2018-11-28 17:57:29,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (2/3) ... [2018-11-28 17:57:29,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2011aa8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:29, skipping insertion in model container [2018-11-28 17:57:29,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:29" (3/3) ... [2018-11-28 17:57:29,524 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-11-28 17:57:29,535 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:57:29,543 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:57:29,561 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:57:29,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:57:29,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:57:29,597 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:57:29,597 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:57:29,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:57:29,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:57:29,598 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:57:29,598 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:57:29,598 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:57:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-28 17:57:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 17:57:29,624 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:29,626 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:29,628 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:29,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:29,635 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-11-28 17:57:29,640 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:29,640 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:29,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:29,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:29,993 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:30,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:30,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:57:30,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:57:30,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:57:30,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:30,031 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-28 17:57:30,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:30,063 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-11-28 17:57:30,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:57:30,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-28 17:57:30,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:30,077 INFO L225 Difference]: With dead ends: 152 [2018-11-28 17:57:30,077 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 17:57:30,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:30,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 17:57:30,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 17:57:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-11-28 17:57:30,135 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-11-28 17:57:30,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:30,135 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-11-28 17:57:30,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:57:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-11-28 17:57:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 17:57:30,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:30,137 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:30,137 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:30,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:30,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-11-28 17:57:30,139 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:30,139 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 [2018-11-28 17:57:30,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:30,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:30,683 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:30,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:30,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:30,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:30,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:30,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:30,698 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-11-28 17:57:38,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:38,746 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-11-28 17:57:38,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:57:38,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-28 17:57:38,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:38,751 INFO L225 Difference]: With dead ends: 94 [2018-11-28 17:57:38,751 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 17:57:38,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:38,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 17:57:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-11-28 17:57:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-11-28 17:57:38,772 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-11-28 17:57:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:38,773 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-11-28 17:57:38,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-11-28 17:57:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 17:57:38,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:38,774 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:38,774 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:38,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:38,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-11-28 17:57:38,776 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:38,776 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 [2018-11-28 17:57:38,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:39,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:39,382 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:39,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:39,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:39,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:39,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:39,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:39,401 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-11-28 17:57:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:45,802 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2018-11-28 17:57:45,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:57:45,803 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 17:57:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:45,805 INFO L225 Difference]: With dead ends: 94 [2018-11-28 17:57:45,805 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 17:57:45,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:45,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 17:57:45,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-11-28 17:57:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-11-28 17:57:45,817 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-11-28 17:57:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:45,818 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-11-28 17:57:45,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-11-28 17:57:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 17:57:45,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:45,819 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:45,819 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:45,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:45,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-11-28 17:57:45,821 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:45,821 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 [2018-11-28 17:57:45,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:47,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:47,184 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:47,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:47,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:47,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:47,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:47,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:47,220 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-11-28 17:57:53,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:53,034 INFO L93 Difference]: Finished difference Result 107 states and 128 transitions. [2018-11-28 17:57:53,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 17:57:53,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-28 17:57:53,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:53,038 INFO L225 Difference]: With dead ends: 107 [2018-11-28 17:57:53,038 INFO L226 Difference]: Without dead ends: 84 [2018-11-28 17:57:53,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:53,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-11-28 17:57:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2018-11-28 17:57:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-28 17:57:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2018-11-28 17:57:53,058 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 21 [2018-11-28 17:57:53,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:53,058 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2018-11-28 17:57:53,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-11-28 17:57:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:57:53,060 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:53,060 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:53,061 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:53,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:53,061 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-11-28 17:57:53,062 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:53,062 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 [2018-11-28 17:57:53,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:53,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:53,283 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:53,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:53,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:53,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:53,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:53,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:53,297 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand 7 states. [2018-11-28 17:57:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:53,850 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2018-11-28 17:57:53,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:57:53,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-28 17:57:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:53,852 INFO L225 Difference]: With dead ends: 88 [2018-11-28 17:57:53,853 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 17:57:53,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:53,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 17:57:53,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 17:57:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 17:57:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 102 transitions. [2018-11-28 17:57:53,866 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 102 transitions. Word has length 22 [2018-11-28 17:57:53,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:53,867 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 102 transitions. [2018-11-28 17:57:53,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-11-28 17:57:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 17:57:53,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:53,869 INFO L402 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] [2018-11-28 17:57:53,869 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:53,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:53,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-11-28 17:57:53,870 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:53,870 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:53,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:53,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:54,266 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:54,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:54,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 17:57:54,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 17:57:54,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 17:57:54,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-28 17:57:54,281 INFO L87 Difference]: Start difference. First operand 85 states and 102 transitions. Second operand 12 states. [2018-11-28 17:57:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:55,308 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-11-28 17:57:55,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 17:57:55,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-28 17:57:55,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:55,312 INFO L225 Difference]: With dead ends: 90 [2018-11-28 17:57:55,312 INFO L226 Difference]: Without dead ends: 81 [2018-11-28 17:57:55,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-28 17:57:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-28 17:57:55,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-28 17:57:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-28 17:57:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2018-11-28 17:57:55,333 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 30 [2018-11-28 17:57:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:55,333 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2018-11-28 17:57:55,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 17:57:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2018-11-28 17:57:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-28 17:57:55,335 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:55,336 INFO L402 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] [2018-11-28 17:57:55,336 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:55,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:55,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1745980452, now seen corresponding path program 1 times [2018-11-28 17:57:55,337 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:55,337 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:55,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:56,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:56,813 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:56,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:56,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:56,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:56,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:56,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:56,847 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand 7 states. [2018-11-28 17:57:57,174 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 17:57:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:59,895 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2018-11-28 17:57:59,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 17:57:59,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-11-28 17:57:59,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:59,898 INFO L225 Difference]: With dead ends: 100 [2018-11-28 17:57:59,898 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 17:57:59,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:59,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 17:57:59,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-11-28 17:57:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-11-28 17:57:59,908 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 41 [2018-11-28 17:57:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:59,909 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-11-28 17:57:59,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-11-28 17:57:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-28 17:57:59,911 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:59,911 INFO L402 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] [2018-11-28 17:57:59,911 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:59,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:59,912 INFO L82 PathProgramCache]: Analyzing trace with hash -699242333, now seen corresponding path program 1 times [2018-11-28 17:57:59,912 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:59,912 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:59,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:58:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:58:01,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:58:02,642 WARN L180 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 17:58:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:58:03,144 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:58:03,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:58:03,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:58:03,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:58:03,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:58:03,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:58:03,185 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 6 states. [2018-11-28 17:58:05,197 WARN L180 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 17:58:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:58:08,600 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2018-11-28 17:58:08,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:58:08,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-11-28 17:58:08,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:58:08,610 INFO L225 Difference]: With dead ends: 76 [2018-11-28 17:58:08,610 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:58:08,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:58:08,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:58:08,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:58:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:58:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:58:08,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-11-28 17:58:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:58:08,614 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:58:08,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:58:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:58:08,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:58:08,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:58:09,130 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-11-28 17:58:10,530 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-11-28 17:58:11,665 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-11-28 17:58:12,745 WARN L180 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-11-28 17:58:12,837 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:58:12,837 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:58:12,837 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:58:12,837 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-11-28 17:58:12,837 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-11-28 17:58:12,837 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-11-28 17:58:12,838 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-11-28 17:58:12,838 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-11-28 17:58:12,838 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-11-28 17:58:12,838 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-28 17:58:12,838 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-11-28 17:58:12,838 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:58:12,838 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-11-28 17:58:12,839 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:58:12,839 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:58:12,839 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-28 17:58:12,839 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-11-28 17:58:12,839 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-11-28 17:58:12,839 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-11-28 17:58:12,839 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-11-28 17:58:12,839 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-11-28 17:58:12,840 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-28 17:58:12,840 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-28 17:58:12,840 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:12,840 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-11-28 17:58:12,840 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:12,840 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (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|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 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|) (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 (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-11-28 17:58:12,841 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-11-28 17:58:12,841 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-11-28 17:58:12,841 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-11-28 17:58:12,841 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-11-28 17:58:12,841 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-11-28 17:58:12,841 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (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 (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (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|) (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 (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:12,842 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (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 (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (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|) (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 (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:12,842 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-11-28 17:58:12,842 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 17:58:12,842 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-11-28 17:58:12,842 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-11-28 17:58:12,842 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-11-28 17:58:12,842 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-28 17:58:12,842 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:12,843 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-11-28 17:58:12,843 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-11-28 17:58:12,843 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-11-28 17:58:12,843 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-11-28 17:58:12,843 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-11-28 17:58:12,843 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-11-28 17:58:12,843 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-11-28 17:58:12,844 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-11-28 17:58:12,845 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-11-28 17:58:12,845 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-11-28 17:58:12,845 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-11-28 17:58:12,845 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-11-28 17:58:12,845 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-11-28 17:58:12,845 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-28 17:58:12,845 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-11-28 17:58:12,845 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-11-28 17:58:12,845 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-11-28 17:58:12,846 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-11-28 17:58:12,847 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-11-28 17:58:12,847 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-28 17:58:12,847 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-28 17:58:12,847 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-11-28 17:58:12,847 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-11-28 17:58:12,862 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,863 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:12,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:12,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:58:12 BoogieIcfgContainer [2018-11-28 17:58:12,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:58:12,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:58:12,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:58:12,876 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:58:12,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:29" (3/4) ... [2018-11-28 17:58:12,881 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:58:12,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:58:12,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-28 17:58:12,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:58:12,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-28 17:58:12,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-28 17:58:12,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-28 17:58:12,916 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 17:58:12,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 17:58:12,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 17:58:12,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 17:58:12,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-11-28 17:58:12,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 17:58:12,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\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) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(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(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-11-28 17:58:13,010 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:58:13,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:58:13,011 INFO L168 Benchmark]: Toolchain (without parser) took 57296.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,013 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:58:13,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.58 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,015 INFO L168 Benchmark]: Boogie Preprocessor took 64.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,015 INFO L168 Benchmark]: RCFGBuilder took 13110.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,016 INFO L168 Benchmark]: TraceAbstraction took 43360.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,018 INFO L168 Benchmark]: Witness Printer took 134.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:13,022 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.58 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13110.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43360.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * Witness Printer took 134.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-11-28 17:58:13,031 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,038 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,038 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,038 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,038 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,039 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,040 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,040 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,040 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,044 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,044 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,044 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,045 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,045 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,045 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,045 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,045 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:13,046 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\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) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(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(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-11-28 17:58:13,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,050 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,054 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,054 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,054 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:13,054 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. SAFE Result, 43.2s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 30.4s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 659 SDtfs, 417 SDslu, 2724 SDs, 0 SdLazy, 395 SolverSat, 55 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 287 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48415 SizeOfPredicates, 29 NumberOfNonLiveVariables, 963 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...