./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer --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 f4df82ea580918989808f581f8b270f0b85e6120 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer --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 f4df82ea580918989808f581f8b270f0b85e6120 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:34:01,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:34:01,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:34:01,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:34:01,559 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:34:01,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:34:01,560 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:34:01,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:34:01,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:34:01,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:34:01,563 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:34:01,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:34:01,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:34:01,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:34:01,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:34:01,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:34:01,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:34:01,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:34:01,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:34:01,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:34:01,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:34:01,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:34:01,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:34:01,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:34:01,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:34:01,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:34:01,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:34:01,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:34:01,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:34:01,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:34:01,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:34:01,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:34:01,573 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:34:01,573 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:34:01,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:34:01,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:34:01,574 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 06:34:01,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:34:01,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:34:01,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:34:01,582 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:34:01,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:34:01,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:34:01,582 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 06:34:01,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:34:01,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:34:01,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:34:01,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:34:01,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:34:01,584 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer 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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-12-09 06:34:01,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:34:01,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:34:01,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:34:01,616 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:34:01,616 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:34:01,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-09 06:34:01,658 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/4c41635f5/ebcb9a9ad76a4f62b1f69b2137392afb/FLAG65112e1b5 [2018-12-09 06:34:02,084 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:34:02,084 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-09 06:34:02,088 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/4c41635f5/ebcb9a9ad76a4f62b1f69b2137392afb/FLAG65112e1b5 [2018-12-09 06:34:02,097 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/4c41635f5/ebcb9a9ad76a4f62b1f69b2137392afb [2018-12-09 06:34:02,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:34:02,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:34:02,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:34:02,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:34:02,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:34:02,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e1e261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02, skipping insertion in model container [2018-12-09 06:34:02,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:34:02,121 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:34:02,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:34:02,232 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:34:02,257 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:34:02,299 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:34:02,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02 WrapperNode [2018-12-09 06:34:02,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:34:02,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:34:02,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:34:02,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:34:02,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:34:02,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:34:02,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:34:02,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:34:02,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... [2018-12-09 06:34:02,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:34:02,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:34:02,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:34:02,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:34:02,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:34:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:34:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 06:34:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 06:34:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 06:34:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 06:34:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:34:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 06:34:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:34:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:34:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 06:34:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 06:34:02,611 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:34:02,612 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 06:34:02,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:34:02 BoogieIcfgContainer [2018-12-09 06:34:02,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:34:02,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:34:02,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:34:02,615 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:34:02,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:34:02" (1/3) ... [2018-12-09 06:34:02,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5212cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:34:02, skipping insertion in model container [2018-12-09 06:34:02,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:02" (2/3) ... [2018-12-09 06:34:02,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5212cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:34:02, skipping insertion in model container [2018-12-09 06:34:02,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:34:02" (3/3) ... [2018-12-09 06:34:02,617 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-12-09 06:34:02,623 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:34:02,628 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:34:02,637 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:34:02,656 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:34:02,656 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:34:02,656 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:34:02,656 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:34:02,657 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:34:02,657 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:34:02,657 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:34:02,657 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:34:02,657 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:34:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-09 06:34:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 06:34:02,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:02,673 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] [2018-12-09 06:34:02,674 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:02,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:02,678 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2018-12-09 06:34:02,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:34:02,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:34:02,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:34:02,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:02,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:34:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:34:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:34:02,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:34:02,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:34:02,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 06:34:02,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 06:34:02,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:34:02,781 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-09 06:34:02,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:34:02,798 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2018-12-09 06:34:02,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 06:34:02,799 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 06:34:02,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:34:02,805 INFO L225 Difference]: With dead ends: 144 [2018-12-09 06:34:02,805 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 06:34:02,807 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 [2018-12-09 06:34:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 06:34:02,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 06:34:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 06:34:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-09 06:34:02,832 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-09 06:34:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:34:02,832 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-09 06:34:02,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 06:34:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-09 06:34:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 06:34:02,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:02,833 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] [2018-12-09 06:34:02,833 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:02,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:02,833 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2018-12-09 06:34:02,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:34:02,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:34:02,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:34:02,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:02,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:34:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:34:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:34:02,885 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 06:34:02,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:34:02 BoogieIcfgContainer [2018-12-09 06:34:02,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:34:02,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:34:02,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:34:02,908 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:34:02,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:34:02" (3/4) ... [2018-12-09 06:34:02,910 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 06:34:02,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:34:02,911 INFO L168 Benchmark]: Toolchain (without parser) took 812.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -85.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,912 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:34:02,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,913 INFO L168 Benchmark]: Boogie Preprocessor took 24.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,913 INFO L168 Benchmark]: RCFGBuilder took 270.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,913 INFO L168 Benchmark]: TraceAbstraction took 294.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,913 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:02,915 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 270.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 294.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(one_asin)=6442450953, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450962, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450961, \old(pS1_asin)=6442450956, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450960, \old(pS4_asin)=6442450965, \old(pS5_asin)=6442450958, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450966, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450963, \old(tiny_sqrt)=6442450964, 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] [L183] float x = 0.0f / 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] [L184] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450957, 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] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450957, 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=6442450957] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L184] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, 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=6442450957] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, 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] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, 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=6442450948] [L187] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L187] COND TRUE !isnan_float(res) [L188] __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=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 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=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:34:04,223 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:34:04,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:34:04,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:34:04,230 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:34:04,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:34:04,231 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:34:04,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:34:04,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:34:04,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:34:04,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:34:04,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:34:04,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:34:04,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:34:04,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:34:04,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:34:04,238 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:34:04,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:34:04,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:34:04,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:34:04,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:34:04,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:34:04,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:34:04,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:34:04,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:34:04,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:34:04,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:34:04,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:34:04,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:34:04,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:34:04,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:34:04,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:34:04,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:34:04,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:34:04,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:34:04,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:34:04,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 06:34:04,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:34:04,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:34:04,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:34:04,261 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:34:04,261 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:34:04,261 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 06:34:04,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:34:04,262 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:34:04,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:34:04,263 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:34:04,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 06:34:04,264 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 06:34:04,264 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer 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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-12-09 06:34:04,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:34:04,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:34:04,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:34:04,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:34:04,296 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:34:04,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-09 06:34:04,336 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/df2976976/47d6112849a64eaf9a78df30aaa6fd54/FLAGd9be6068a [2018-12-09 06:34:04,676 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:34:04,676 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-09 06:34:04,681 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/df2976976/47d6112849a64eaf9a78df30aaa6fd54/FLAGd9be6068a [2018-12-09 06:34:04,689 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/data/df2976976/47d6112849a64eaf9a78df30aaa6fd54 [2018-12-09 06:34:04,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:34:04,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:34:04,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:34:04,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:34:04,695 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:34:04,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04, skipping insertion in model container [2018-12-09 06:34:04,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:34:04,714 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:34:04,826 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:34:04,831 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:34:04,861 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:34:04,876 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:34:04,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04 WrapperNode [2018-12-09 06:34:04,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:34:04,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:34:04,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:34:04,877 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:34:04,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:34:04,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:34:04,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:34:04,895 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:34:04,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... [2018-12-09 06:34:04,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:34:04,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:34:04,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:34:04,957 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:34:04,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:34:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:34:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 06:34:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 06:34:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 06:34:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 06:34:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 06:34:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:34:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 06:34:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:34:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:34:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 06:34:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 06:34:05,112 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:34:13,981 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:34:14,014 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:34:14,464 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:34:14,469 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:34:14,470 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 06:34:14,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:34:14 BoogieIcfgContainer [2018-12-09 06:34:14,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:34:14,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:34:14,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:34:14,472 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:34:14,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:34:04" (1/3) ... [2018-12-09 06:34:14,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eaa899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:34:14, skipping insertion in model container [2018-12-09 06:34:14,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:34:04" (2/3) ... [2018-12-09 06:34:14,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eaa899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:34:14, skipping insertion in model container [2018-12-09 06:34:14,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:34:14" (3/3) ... [2018-12-09 06:34:14,475 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-12-09 06:34:14,481 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:34:14,487 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:34:14,499 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:34:14,520 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:34:14,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:34:14,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:34:14,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:34:14,521 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:34:14,521 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:34:14,521 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:34:14,521 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:34:14,521 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:34:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-09 06:34:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 06:34:14,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:14,539 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] [2018-12-09 06:34:14,541 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:14,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:14,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1204794971, now seen corresponding path program 1 times [2018-12-09 06:34:14,547 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:34:14,547 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:14,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:34:14,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:34:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:34:14,737 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:34:14,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:34:14,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:34:14,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 06:34:14,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 06:34:14,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:34:14,758 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-09 06:34:14,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:34:14,775 INFO L93 Difference]: Finished difference Result 142 states and 212 transitions. [2018-12-09 06:34:14,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 06:34:14,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-09 06:34:14,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:34:14,782 INFO L225 Difference]: With dead ends: 142 [2018-12-09 06:34:14,783 INFO L226 Difference]: Without dead ends: 71 [2018-12-09 06:34:14,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:34:14,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-09 06:34:14,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-09 06:34:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-09 06:34:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2018-12-09 06:34:14,811 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 20 [2018-12-09 06:34:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:34:14,811 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2018-12-09 06:34:14,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 06:34:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-09 06:34:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 06:34:14,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:14,812 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] [2018-12-09 06:34:14,812 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:14,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:14,812 INFO L82 PathProgramCache]: Analyzing trace with hash -624565231, now seen corresponding path program 1 times [2018-12-09 06:34:14,812 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:34:14,813 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:14,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:34:14,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:34:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:34:15,058 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:34:15,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:34:15,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:34:15,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:34:15,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:34:15,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:34:15,068 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 7 states. [2018-12-09 06:34:21,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:34:21,473 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2018-12-09 06:34:21,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:34:21,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 06:34:21,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:34:21,477 INFO L225 Difference]: With dead ends: 84 [2018-12-09 06:34:21,477 INFO L226 Difference]: Without dead ends: 74 [2018-12-09 06:34:21,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:34:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-09 06:34:21,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2018-12-09 06:34:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-09 06:34:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 87 transitions. [2018-12-09 06:34:21,485 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 87 transitions. Word has length 21 [2018-12-09 06:34:21,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:34:21,486 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 87 transitions. [2018-12-09 06:34:21,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:34:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2018-12-09 06:34:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 06:34:21,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:21,486 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] [2018-12-09 06:34:21,486 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:21,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:21,487 INFO L82 PathProgramCache]: Analyzing trace with hash 2002478333, now seen corresponding path program 1 times [2018-12-09 06:34:21,487 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:34:21,487 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:21,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:34:21,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:34:23,070 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 06:34:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:34:25,188 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:34:25,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:34:25,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 06:34:25,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 06:34:25,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 06:34:25,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:34:25,198 INFO L87 Difference]: Start difference. First operand 71 states and 87 transitions. Second operand 9 states. [2018-12-09 06:34:28,169 WARN L180 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-09 06:34:34,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:34:34,437 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2018-12-09 06:34:34,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 06:34:34,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-09 06:34:34,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:34:34,439 INFO L225 Difference]: With dead ends: 80 [2018-12-09 06:34:34,439 INFO L226 Difference]: Without dead ends: 73 [2018-12-09 06:34:34,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 06:34:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-09 06:34:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-09 06:34:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-09 06:34:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2018-12-09 06:34:34,446 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 22 [2018-12-09 06:34:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:34:34,446 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2018-12-09 06:34:34,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 06:34:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2018-12-09 06:34:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 06:34:34,446 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:34,447 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] [2018-12-09 06:34:34,447 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:34,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:34,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1628950099, now seen corresponding path program 1 times [2018-12-09 06:34:34,447 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:34:34,447 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:34,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:34:35,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:34:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:34:35,466 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:34:35,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:34:35,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:34:35,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:34:35,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:34:35,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:34:35,486 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand 7 states. [2018-12-09 06:34:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:34:40,413 INFO L93 Difference]: Finished difference Result 84 states and 99 transitions. [2018-12-09 06:34:40,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:34:40,414 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 06:34:40,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:34:40,415 INFO L225 Difference]: With dead ends: 84 [2018-12-09 06:34:40,415 INFO L226 Difference]: Without dead ends: 66 [2018-12-09 06:34:40,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:34:40,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-09 06:34:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-09 06:34:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-09 06:34:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2018-12-09 06:34:40,422 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 24 [2018-12-09 06:34:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:34:40,423 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2018-12-09 06:34:40,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:34:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2018-12-09 06:34:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 06:34:40,424 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:34:40,424 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, 1] [2018-12-09 06:34:40,424 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:34:40,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:34:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1429916512, now seen corresponding path program 1 times [2018-12-09 06:34:40,425 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 06:34:40,425 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/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 [2018-12-09 06:34:40,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:34:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:34:41,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:34:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:34:41,601 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:34:41,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:34:41,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:34:41,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:34:41,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:34:41,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:34:41,620 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand 7 states. [2018-12-09 06:34:44,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:34:44,042 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2018-12-09 06:34:44,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:34:44,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-12-09 06:34:44,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:34:44,044 INFO L225 Difference]: With dead ends: 66 [2018-12-09 06:34:44,044 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:34:44,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:34:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:34:44,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:34:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:34:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:34:44,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-12-09 06:34:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:34:44,045 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:34:44,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:34:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:34:44,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:34:44,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:34:44,269 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-09 06:34:44,269 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2018-12-09 06:34:44,270 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-12-09 06:34:44,271 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-09 06:34:44,271 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-09 06:34:44,271 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:34:44,271 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 06:34:44,271 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:34:44,271 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:34:44,271 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-12-09 06:34:44,271 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-12-09 06:34:44,272 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-12-09 06:34:44,272 INFO L448 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-12-09 06:34:44,272 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= main_~x~0 .cse1))) [2018-12-09 06:34:44,272 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-12-09 06:34:44,272 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-12-09 06:34:44,272 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-09 06:34:44,272 INFO L448 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-12-09 06:34:44,272 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-12-09 06:34:44,273 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2018-12-09 06:34:44,273 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2018-12-09 06:34:44,273 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-12-09 06:34:44,273 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= |__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 (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (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)))) [2018-12-09 06:34:44,273 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (and (= |__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 (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (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)))) [2018-12-09 06:34:44,273 INFO L448 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-09 06:34:44,274 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-12-09 06:34:44,275 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L444 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: (and (= |__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 (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (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)))) [2018-12-09 06:34:44,275 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-09 06:34:44,275 INFO L451 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-09 06:34:44,276 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-09 06:34:44,277 INFO L451 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2018-12-09 06:34:44,277 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-09 06:34:44,278 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-09 06:34:44,278 INFO L451 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2018-12-09 06:34:44,278 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-09 06:34:44,278 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-09 06:34:44,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:34:44 BoogieIcfgContainer [2018-12-09 06:34:44,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:34:44,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:34:44,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:34:44,291 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:34:44,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:34:14" (3/4) ... [2018-12-09 06:34:44,293 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:34:44,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 06:34:44,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:34:44,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-09 06:34:44,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:34:44,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-09 06:34:44,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-09 06:34:44,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-09 06:34:44,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 06:34:44,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 06:34:44,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 06:34:44,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 06:34:44,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[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) [2018-12-09 06:34:44,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60aef16e-6405-4483-911a-6afb67e7034b/bin-2019/uautomizer/witness.graphml [2018-12-09 06:34:44,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:34:44,341 INFO L168 Benchmark]: Toolchain (without parser) took 39649.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 869.3 MB in the end (delta: 75.4 MB). Peak memory consumption was 215.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,341 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:34:44,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.93 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.06 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,342 INFO L168 Benchmark]: Boogie Preprocessor took 61.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,342 INFO L168 Benchmark]: RCFGBuilder took 9513.35 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: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,342 INFO L168 Benchmark]: TraceAbstraction took 29820.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.1 MB in the end (delta: 209.5 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,342 INFO L168 Benchmark]: Witness Printer took 49.43 ms. Allocated memory is still 1.2 GB. Free memory was 876.1 MB in the beginning and 869.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:34:44,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.93 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.06 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9513.35 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: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29820.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.1 MB in the end (delta: 209.5 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. * Witness Printer took 49.43 ms. Allocated memory is still 1.2 GB. Free memory was 876.1 MB in the beginning and 869.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 06:34:44,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[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: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 75 locations, 1 error locations. SAFE Result, 29.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 23.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 380 SDtfs, 198 SDslu, 1429 SDs, 0 SdLazy, 186 SolverSat, 23 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 191 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 18681 SizeOfPredicates, 16 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...