./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 .......................................................................................................................................................................................................................................................................................................................................................... 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_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:17:03,743 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:17:03,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:17:03,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:17:03,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:17:03,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:17:03,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:17:03,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:17:03,758 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:17:03,759 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:17:03,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:17:03,760 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:17:03,761 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:17:03,762 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:17:03,763 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:17:03,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:17:03,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:17:03,767 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:17:03,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:17:03,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:17:03,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:17:03,772 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:17:03,774 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:17:03,774 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:17:03,775 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:17:03,775 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:17:03,776 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:17:03,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:17:03,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:17:03,779 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:17:03,779 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:17:03,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:17:03,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:17:03,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:17:03,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:17:03,782 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:17:03,782 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:17:03,795 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:17:03,795 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:17:03,796 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:17:03,796 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:17:03,797 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:17:03,797 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:17:03,797 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:17:03,797 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:17:03,798 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:17:03,798 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:17:03,798 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:17:03,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:17:03,798 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:17:03,798 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:17:03,799 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:17:03,799 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:17:03,799 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:17:03,799 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:17:03,799 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:17:03,800 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:17:03,800 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:17:03,800 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:17:03,800 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:17:03,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:17:03,801 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:17:03,801 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:17:03,801 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:17:03,801 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:17:03,801 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:17:03,801 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:17:03,802 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_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-11-28 11:17:03,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:17:03,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:17:03,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:17:03,849 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:17:03,849 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:17:03,850 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-28 11:17:03,909 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/7e0bf3d32/503065f7ac8341f59f194474351097b6/FLAGe5cf7fec0 [2018-11-28 11:17:04,284 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:17:04,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-28 11:17:04,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/7e0bf3d32/503065f7ac8341f59f194474351097b6/FLAGe5cf7fec0 [2018-11-28 11:17:04,302 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/7e0bf3d32/503065f7ac8341f59f194474351097b6 [2018-11-28 11:17:04,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:17:04,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:17:04,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:04,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:17:04,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:17:04,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a3ea0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04, skipping insertion in model container [2018-11-28 11:17:04,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:17:04,336 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:17:04,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:04,517 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:17:04,563 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:04,632 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:17:04,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04 WrapperNode [2018-11-28 11:17:04,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:04,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:04,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:17:04,633 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:17:04,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:04,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:17:04,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:17:04,660 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:17:04,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... [2018-11-28 11:17:04,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:17:04,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:17:04,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:17:04,704 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:17:04,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:17:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:17:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:17:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 11:17:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:17:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-28 11:17:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-28 11:17:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:17:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:17:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 11:17:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:17:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:17:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:17:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:17:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-28 11:17:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-28 11:17:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:17:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 11:17:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 11:17:05,263 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:17:05,263 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-28 11:17:05,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:05 BoogieIcfgContainer [2018-11-28 11:17:05,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:17:05,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:17:05,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:17:05,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:17:05,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:17:04" (1/3) ... [2018-11-28 11:17:05,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae7282c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:17:05, skipping insertion in model container [2018-11-28 11:17:05,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:04" (2/3) ... [2018-11-28 11:17:05,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae7282c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:17:05, skipping insertion in model container [2018-11-28 11:17:05,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:05" (3/3) ... [2018-11-28 11:17:05,271 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-11-28 11:17:05,278 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:17:05,283 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:17:05,295 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:17:05,319 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:17:05,319 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:17:05,319 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:17:05,319 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:17:05,319 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:17:05,319 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:17:05,319 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:17:05,320 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:17:05,320 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:17:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-11-28 11:17:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 11:17:05,342 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:17:05,343 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] [2018-11-28 11:17:05,345 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:17:05,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:05,349 INFO L82 PathProgramCache]: Analyzing trace with hash 872759118, now seen corresponding path program 1 times [2018-11-28 11:17:05,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:05,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:05,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:05,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:05,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:05,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:05,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:17:05,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:17:05,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:17:05,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:17:05,486 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 2 states. [2018-11-28 11:17:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:17:05,517 INFO L93 Difference]: Finished difference Result 196 states and 313 transitions. [2018-11-28 11:17:05,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:17:05,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-11-28 11:17:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:17:05,528 INFO L225 Difference]: With dead ends: 196 [2018-11-28 11:17:05,528 INFO L226 Difference]: Without dead ends: 98 [2018-11-28 11:17:05,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:17:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-28 11:17:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-28 11:17:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-28 11:17:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2018-11-28 11:17:05,575 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 28 [2018-11-28 11:17:05,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:17:05,575 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2018-11-28 11:17:05,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:17:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2018-11-28 11:17:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 11:17:05,577 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:17:05,577 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] [2018-11-28 11:17:05,578 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:17:05,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:05,578 INFO L82 PathProgramCache]: Analyzing trace with hash -863403993, now seen corresponding path program 1 times [2018-11-28 11:17:05,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:05,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:05,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:05,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:05,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:05,716 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:17:05,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:17:05 BoogieIcfgContainer [2018-11-28 11:17:05,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:17:05,751 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:17:05,751 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:17:05,751 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:17:05,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:05" (3/4) ... [2018-11-28 11:17:05,755 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:17:05,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:17:05,755 INFO L168 Benchmark]: Toolchain (without parser) took 1451.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -105.6 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:05,757 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. [2018-11-28 11:17:05,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:05,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:05,758 INFO L168 Benchmark]: Boogie Preprocessor took 43.21 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:05,759 INFO L168 Benchmark]: RCFGBuilder took 560.54 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:05,759 INFO L168 Benchmark]: TraceAbstraction took 486.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:05,759 INFO L168 Benchmark]: Witness Printer took 3.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:17:05,762 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 327.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.21 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 560.54 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 486.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418249, \old(tiny_sqrt)=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = __VERIFIER_nondet_float(); [L230] float y = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247] [L231] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418247, \old(y)=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L86] ieee_float_shape_type gf_u; [L87] gf_u.value = (x) [L88] EXPR gf_u.word [L88] (ha) = gf_u.word [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L92] ieee_float_shape_type gf_u; [L93] gf_u.value = (y) [L94] EXPR gf_u.word [L94] (hb) = gf_u.word [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418248, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L108] ieee_float_shape_type sf_u; [L109] sf_u.word = (ha) [L110] EXPR sf_u.value [L110] (a) = sf_u.value [L113] ieee_float_shape_type sf_u; [L114] sf_u.word = (hb) [L115] EXPR sf_u.value [L115] (b) = sf_u.value [L117] COND TRUE (ha - hb) > 0xf000000L [L118] return a + b; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418263, b=10737418264, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L231] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L231] float res = __ieee754_hypotf(x, y); [L233] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L214] ieee_float_shape_type gf_u; [L215] gf_u.value = (x) [L216] EXPR gf_u.word [L216] (ix) = gf_u.word [L218] ix &= 0x7fffffff [L219] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418243, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L233] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L233] COND TRUE !isinf_float(res) [L234] __VERIFIER_error() VAL [one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 102 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 124 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=102occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 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 0.1.23-0cd3be1 [2018-11-28 11:17:07,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:17:07,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:17:07,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:17:07,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:17:07,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:17:07,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:17:07,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:17:07,550 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:17:07,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:17:07,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:17:07,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:17:07,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:17:07,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:17:07,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:17:07,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:17:07,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:17:07,558 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:17:07,559 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:17:07,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:17:07,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:17:07,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:17:07,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:17:07,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:17:07,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:17:07,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:17:07,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:17:07,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:17:07,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:17:07,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:17:07,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:17:07,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:17:07,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:17:07,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:17:07,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:17:07,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:17:07,571 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:17:07,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:17:07,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:17:07,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:17:07,584 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:17:07,584 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:17:07,585 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:17:07,585 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:17:07,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:17:07,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:17:07,585 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:17:07,585 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:17:07,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:17:07,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:17:07,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:17:07,586 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:17:07,586 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:17:07,586 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:17:07,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:17:07,587 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:17:07,587 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:17:07,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:17:07,587 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:17:07,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:17:07,588 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:17:07,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:17:07,588 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:17:07,588 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:17:07,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:17:07,588 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:17:07,589 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:17:07,589 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:17:07,589 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:17:07,589 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_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-11-28 11:17:07,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:17:07,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:17:07,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:17:07,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:17:07,633 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:17:07,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-28 11:17:07,683 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/f27b5c86c/6dba7498f6f24ef19d51458ef1735a11/FLAG5688e1c47 [2018-11-28 11:17:08,049 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:17:08,050 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-11-28 11:17:08,058 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/f27b5c86c/6dba7498f6f24ef19d51458ef1735a11/FLAG5688e1c47 [2018-11-28 11:17:08,072 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/data/f27b5c86c/6dba7498f6f24ef19d51458ef1735a11 [2018-11-28 11:17:08,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:17:08,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:17:08,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:08,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:17:08,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:17:08,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a8b594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08, skipping insertion in model container [2018-11-28 11:17:08,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:17:08,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:17:08,309 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:08,313 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:17:08,364 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:08,389 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:17:08,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08 WrapperNode [2018-11-28 11:17:08,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:08,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:08,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:17:08,390 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:17:08,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:08,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:17:08,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:17:08,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:17:08,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... [2018-11-28 11:17:08,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:17:08,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:17:08,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:17:08,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:17:08,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:17:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:17:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:17:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-28 11:17:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-28 11:17:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-28 11:17:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:17:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:17:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:17:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 11:17:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:17:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:17:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-28 11:17:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-28 11:17:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-28 11:17:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:17:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:17:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 11:17:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 11:17:08,701 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:17:08,916 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:17:08,948 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:17:09,330 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:17:10,473 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:17:10,474 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-28 11:17:10,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:10 BoogieIcfgContainer [2018-11-28 11:17:10,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:17:10,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:17:10,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:17:10,478 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:17:10,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:17:08" (1/3) ... [2018-11-28 11:17:10,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42963809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:17:10, skipping insertion in model container [2018-11-28 11:17:10,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:08" (2/3) ... [2018-11-28 11:17:10,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42963809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:17:10, skipping insertion in model container [2018-11-28 11:17:10,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:10" (3/3) ... [2018-11-28 11:17:10,481 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-11-28 11:17:10,489 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:17:10,495 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:17:10,506 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:17:10,529 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:17:10,529 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:17:10,529 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:17:10,529 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:17:10,530 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:17:10,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:17:10,530 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:17:10,530 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:17:10,530 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:17:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-11-28 11:17:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 11:17:10,551 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:17:10,552 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] [2018-11-28 11:17:10,555 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:17:10,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:10,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1684593163, now seen corresponding path program 1 times [2018-11-28 11:17:10,563 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:17:10,564 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:17:10,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:10,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:17:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:10,702 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:17:10,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:10,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:17:10,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:17:10,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:17:10,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:17:10,730 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2018-11-28 11:17:10,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:17:10,762 INFO L93 Difference]: Finished difference Result 194 states and 311 transitions. [2018-11-28 11:17:10,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:17:10,763 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-28 11:17:10,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:17:10,772 INFO L225 Difference]: With dead ends: 194 [2018-11-28 11:17:10,773 INFO L226 Difference]: Without dead ends: 97 [2018-11-28 11:17:10,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:17:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-28 11:17:10,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-28 11:17:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-28 11:17:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2018-11-28 11:17:10,820 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 27 [2018-11-28 11:17:10,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:17:10,821 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2018-11-28 11:17:10,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:17:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-11-28 11:17:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 11:17:10,823 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:17:10,823 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] [2018-11-28 11:17:10,823 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:17:10,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:10,824 INFO L82 PathProgramCache]: Analyzing trace with hash -592227502, now seen corresponding path program 1 times [2018-11-28 11:17:10,824 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:17:10,825 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:17:10,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:10,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:17:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:14,484 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:17:14,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:14,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-28 11:17:14,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 11:17:14,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 11:17:14,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-11-28 11:17:14,501 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 17 states. [2018-11-28 11:17:15,813 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-28 11:17:16,237 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-11-28 11:17:22,853 WARN L180 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-11-28 11:17:39,578 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-28 11:18:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:18,436 INFO L93 Difference]: Finished difference Result 186 states and 231 transitions. [2018-11-28 11:18:18,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:18:18,508 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-11-28 11:18:18,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:18,514 INFO L225 Difference]: With dead ends: 186 [2018-11-28 11:18:18,514 INFO L226 Difference]: Without dead ends: 179 [2018-11-28 11:18:18,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-11-28 11:18:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-28 11:18:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 102. [2018-11-28 11:18:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 11:18:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-11-28 11:18:18,543 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-11-28 11:18:18,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:18,543 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-11-28 11:18:18,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 11:18:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-11-28 11:18:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 11:18:18,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:18,545 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] [2018-11-28 11:18:18,545 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:18,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:18,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1708595088, now seen corresponding path program 1 times [2018-11-28 11:18:18,546 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:18:18,547 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:18:18,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:18,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:18:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:19,093 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:18:19,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:19,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:18:19,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:18:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:18:19,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:18:19,121 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 9 states. [2018-11-28 11:18:20,271 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-11-28 11:19:06,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:06,865 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2018-11-28 11:19:06,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:19:06,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-28 11:19:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:06,933 INFO L225 Difference]: With dead ends: 193 [2018-11-28 11:19:06,933 INFO L226 Difference]: Without dead ends: 161 [2018-11-28 11:19:06,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:19:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-28 11:19:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 117. [2018-11-28 11:19:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-28 11:19:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 141 transitions. [2018-11-28 11:19:06,949 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 141 transitions. Word has length 32 [2018-11-28 11:19:06,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:06,949 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 141 transitions. [2018-11-28 11:19:06,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:19:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2018-11-28 11:19:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-28 11:19:06,951 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:06,951 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] [2018-11-28 11:19:06,951 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:06,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:06,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1956568480, now seen corresponding path program 1 times [2018-11-28 11:19:06,952 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:19:06,952 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:19:06,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:07,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:19:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:07,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:19:07,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:07,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:19:07,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:19:07,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:19:07,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:19:07,179 INFO L87 Difference]: Start difference. First operand 117 states and 141 transitions. Second operand 8 states. [2018-11-28 11:19:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:37,866 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-11-28 11:19:37,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:19:37,924 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-11-28 11:19:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:37,926 INFO L225 Difference]: With dead ends: 210 [2018-11-28 11:19:37,926 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 11:19:37,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:19:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 11:19:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 106. [2018-11-28 11:19:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-28 11:19:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2018-11-28 11:19:37,943 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 35 [2018-11-28 11:19:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:37,943 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2018-11-28 11:19:37,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:19:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2018-11-28 11:19:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:19:37,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:37,945 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] [2018-11-28 11:19:37,945 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:37,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:37,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1068264538, now seen corresponding path program 1 times [2018-11-28 11:19:37,946 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:19:37,946 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/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 [2018-11-28 11:19:37,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:38,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:19:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:38,282 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:19:38,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:38,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:19:38,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:19:38,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:19:38,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:19:38,296 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand 9 states. [2018-11-28 11:19:39,656 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 11:19:50,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:19:50,117 INFO L93 Difference]: Finished difference Result 137 states and 162 transitions. [2018-11-28 11:19:50,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:19:50,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-11-28 11:19:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:19:50,174 INFO L225 Difference]: With dead ends: 137 [2018-11-28 11:19:50,175 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 11:19:50,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:19:50,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 11:19:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 109. [2018-11-28 11:19:50,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 11:19:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2018-11-28 11:19:50,192 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 37 [2018-11-28 11:19:50,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:19:50,192 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2018-11-28 11:19:50,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:19:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2018-11-28 11:19:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:19:50,194 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:19:50,194 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] [2018-11-28 11:19:50,194 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:19:50,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:19:50,194 INFO L82 PathProgramCache]: Analyzing trace with hash 57147288, now seen corresponding path program 1 times [2018-11-28 11:19:50,195 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:19:50,195 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-28 11:19:50,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:19:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:19:50,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:19:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:19:50,840 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:19:50,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:19:50,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-28 11:19:50,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 11:19:50,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 11:19:50,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-11-28 11:19:50,856 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. Second operand 16 states. [2018-11-28 11:20:15,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:15,747 INFO L93 Difference]: Finished difference Result 133 states and 158 transitions. [2018-11-28 11:20:15,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:20:15,748 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-28 11:20:15,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:15,750 INFO L225 Difference]: With dead ends: 133 [2018-11-28 11:20:15,750 INFO L226 Difference]: Without dead ends: 124 [2018-11-28 11:20:15,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2018-11-28 11:20:15,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-28 11:20:15,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 109. [2018-11-28 11:20:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 11:20:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2018-11-28 11:20:15,765 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 37 [2018-11-28 11:20:15,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:15,765 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2018-11-28 11:20:15,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 11:20:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2018-11-28 11:20:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:20:15,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:15,766 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] [2018-11-28 11:20:15,767 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:15,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:15,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1222716390, now seen corresponding path program 1 times [2018-11-28 11:20:15,767 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:20:15,767 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-28 11:20:15,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:15,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:20:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:15,995 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:20:16,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:16,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:20:16,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:20:16,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:20:16,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:20:16,006 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 8 states. [2018-11-28 11:20:38,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:38,973 INFO L93 Difference]: Finished difference Result 172 states and 202 transitions. [2018-11-28 11:20:39,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:20:39,009 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-11-28 11:20:39,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:39,010 INFO L225 Difference]: With dead ends: 172 [2018-11-28 11:20:39,010 INFO L226 Difference]: Without dead ends: 111 [2018-11-28 11:20:39,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:20:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-28 11:20:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 100. [2018-11-28 11:20:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 11:20:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2018-11-28 11:20:39,021 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 37 [2018-11-28 11:20:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:39,022 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2018-11-28 11:20:39,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:20:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2018-11-28 11:20:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:20:39,022 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:39,022 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] [2018-11-28 11:20:39,023 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:39,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:39,023 INFO L82 PathProgramCache]: Analyzing trace with hash -737173796, now seen corresponding path program 1 times [2018-11-28 11:20:39,023 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:20:39,023 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-28 11:20:39,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:39,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:20:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:39,422 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:20:39,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:39,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-28 11:20:39,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 11:20:39,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 11:20:39,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:20:39,430 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand 15 states. [2018-11-28 11:21:01,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:01,511 INFO L93 Difference]: Finished difference Result 118 states and 139 transitions. [2018-11-28 11:21:01,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 11:21:01,512 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-11-28 11:21:01,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:01,513 INFO L225 Difference]: With dead ends: 118 [2018-11-28 11:21:01,513 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 11:21:01,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-11-28 11:21:01,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 11:21:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2018-11-28 11:21:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-28 11:21:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2018-11-28 11:21:01,530 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 37 [2018-11-28 11:21:01,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:01,530 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2018-11-28 11:21:01,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 11:21:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-11-28 11:21:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-28 11:21:01,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:01,532 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] [2018-11-28 11:21:01,532 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:01,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:01,532 INFO L82 PathProgramCache]: Analyzing trace with hash 184471245, now seen corresponding path program 1 times [2018-11-28 11:21:01,532 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:21:01,533 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-28 11:21:01,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:01,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:21:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:01,859 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:21:01,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:21:01,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:21:01,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:21:01,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:21:01,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:21:01,867 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 9 states. [2018-11-28 11:21:21,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:21,213 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2018-11-28 11:21:21,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:21:21,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-11-28 11:21:21,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:21,268 INFO L225 Difference]: With dead ends: 125 [2018-11-28 11:21:21,268 INFO L226 Difference]: Without dead ends: 89 [2018-11-28 11:21:21,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:21:21,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-11-28 11:21:21,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-11-28 11:21:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-11-28 11:21:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2018-11-28 11:21:21,278 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 40 [2018-11-28 11:21:21,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:21,278 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2018-11-28 11:21:21,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:21:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2018-11-28 11:21:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:21:21,279 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:21,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:21:21,279 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:21,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:21,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1867413867, now seen corresponding path program 1 times [2018-11-28 11:21:21,280 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:21:21,280 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-28 11:21:21,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:21,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:21:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:22,192 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:21:22,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:21:22,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:21:22,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:21:22,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:21:22,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:21:22,207 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 9 states. [2018-11-28 11:21:31,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:31,498 INFO L93 Difference]: Finished difference Result 89 states and 102 transitions. [2018-11-28 11:21:31,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:21:31,550 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2018-11-28 11:21:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:31,550 INFO L225 Difference]: With dead ends: 89 [2018-11-28 11:21:31,551 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:21:31,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:21:31,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:21:31,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:21:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:21:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:21:31,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2018-11-28 11:21:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:31,552 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:21:31,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:21:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:21:31,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:21:31,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:21:31,864 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 19 [2018-11-28 11:21:32,142 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2018-11-28 11:21:32,343 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2018-11-28 11:21:32,702 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2018-11-28 11:21:32,929 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2018-11-28 11:21:33,132 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2018-11-28 11:21:33,416 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2018-11-28 11:21:33,750 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2018-11-28 11:21:33,752 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-11-28 11:21:33,752 INFO L444 ceAbstractionStarter]: At program point L213-2(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-28 11:21:33,752 INFO L448 ceAbstractionStarter]: For program point L213-3(lines 213 217) no Hoare annotation was computed. [2018-11-28 11:21:33,752 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-11-28 11:21:33,752 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-11-28 11:21:33,752 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-11-28 11:21:33,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:21:33,752 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:21:33,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 11:21:33,753 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 222 238) the Hoare annotation is: true [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 222 238) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (and (= main_~y~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_25) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_25) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_25)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (bvsgt (bvadd (bvneg .cse0) .cse1) (_ bv251658240 32)) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))))) [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 222 238) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-11-28 11:21:33,753 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L444 ceAbstractionStarter]: At program point L185-2(lines 185 189) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-11-28 11:21:33,754 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-11-28 11:21:33,755 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-11-28 11:21:33,756 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-28 11:21:33,757 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,757 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-28 11:21:33,757 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-11-28 11:21:33,757 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-11-28 11:21:33,757 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29)))) [2018-11-28 11:21:33,757 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-11-28 11:21:33,757 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,757 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 11:21:33,758 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-28 11:21:33,758 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,758 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-11-28 11:21:33,758 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-28 11:21:33,758 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-11-28 11:21:33,758 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-11-28 11:21:33,758 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 191 195) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,759 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-11-28 11:21:33,759 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-11-28 11:21:33,759 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-11-28 11:21:33,759 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-11-28 11:21:33,759 INFO L444 ceAbstractionStarter]: At program point L200-2(lines 200 204) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,759 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-28 11:21:33,759 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-11-28 11:21:33,759 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-28 11:21:33,760 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-28 11:21:33,761 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-28 11:21:33,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,774 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,774 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,776 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,776 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,776 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-28 11:21:33,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-28 11:21:33,777 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,778 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,779 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,780 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,780 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,780 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,780 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,783 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,783 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,783 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,785 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,785 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,785 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,785 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,785 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,786 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,786 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,786 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,786 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,787 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,787 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,787 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:21:33 BoogieIcfgContainer [2018-11-28 11:21:33,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:21:33,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:21:33,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:21:33,789 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:21:33,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:10" (3/4) ... [2018-11-28 11:21:33,794 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:21:33,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-28 11:21:33,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:21:33,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:21:33,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_hypotf [2018-11-28 11:21:33,801 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-28 11:21:33,807 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-28 11:21:33,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-28 11:21:33,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:21:33,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:21:33,832 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y [2018-11-28 11:21:33,832 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 11:21:33,832 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) [2018-11-28 11:21:33,850 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c5e0a601-52cc-4722-a8a5-6ad7a19e1e90/bin-2019/uautomizer/witness.graphml [2018-11-28 11:21:33,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:21:33,851 INFO L168 Benchmark]: Toolchain (without parser) took 265775.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 943.4 MB in the beginning and 797.6 MB in the end (delta: 145.8 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:33,852 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-28 11:21:33,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.07 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:33,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:33,853 INFO L168 Benchmark]: Boogie Preprocessor took 49.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:21:33,853 INFO L168 Benchmark]: RCFGBuilder took 1964.44 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:33,853 INFO L168 Benchmark]: TraceAbstraction took 263313.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 805.2 MB in the end (delta: 254.4 MB). Peak memory consumption was 313.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:33,855 INFO L168 Benchmark]: Witness Printer took 61.07 ms. Allocated memory is still 1.2 GB. Free memory was 805.2 MB in the beginning and 797.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:33,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.07 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1964.44 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 263313.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 805.2 MB in the end (delta: 254.4 MB). Peak memory consumption was 313.1 MB. Max. memory is 11.5 GB. * Witness Printer took 61.07 ms. Allocated memory is still 1.2 GB. Free memory was 805.2 MB in the beginning and 797.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant [2018-11-28 11:21:33,862 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,862 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,862 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,862 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 134]: Loop Invariant [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,863 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 91]: Loop Invariant [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 185]: Loop Invariant [2018-11-28 11:21:33,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 161]: Loop Invariant [2018-11-28 11:21:33,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: \old(y) == y - InvariantResult [Line: 149]: Loop Invariant [2018-11-28 11:21:33,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant [2018-11-28 11:21:33,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-11-28 11:21:33,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 101 locations, 1 error locations. SAFE Result, 263.2s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 253.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1154 SDtfs, 1547 SDslu, 7182 SDs, 0 SdLazy, 2335 SolverSat, 115 SolverUnsat, 95 SolverUnknown, 0 SolverNotchecked, 239.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 108 PreInvPairs, 211 NumberOfFragments, 310 HoareAnnotationTreeSize, 108 FomulaSimplifications, 90436 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 1004 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 361 ConstructedInterpolants, 148 QuantifiedInterpolants, 143764 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1189 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...