./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 78ea74dfa7532b5891dcf798c387cbc67437d79b ............................................................................................................................................................................................................................................................................................................................ 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_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 78ea74dfa7532b5891dcf798c387cbc67437d79b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:16:40,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:16:40,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:16:40,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:16:40,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:16:40,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:16:40,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:16:40,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:16:40,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:16:40,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:16:40,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:16:40,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:16:40,076 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:16:40,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:16:40,078 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:16:40,079 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:16:40,079 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:16:40,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:16:40,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:16:40,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:16:40,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:16:40,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:16:40,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:16:40,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:16:40,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:16:40,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:16:40,087 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:16:40,088 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:16:40,088 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:16:40,090 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:16:40,090 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:16:40,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:16:40,091 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:16:40,091 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:16:40,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:16:40,092 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:16:40,092 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 12:16:40,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:16:40,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:16:40,103 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:16:40,103 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:16:40,103 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:16:40,103 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:16:40,104 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:16:40,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:16:40,104 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:16:40,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:16:40,104 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:16:40,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:16:40,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:16:40,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:16:40,105 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:16:40,105 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:16:40,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:16:40,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:16:40,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:16:40,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:16:40,107 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:16:40,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:16:40,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:16:40,108 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_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-11-10 12:16:40,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:16:40,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:16:40,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:16:40,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:16:40,150 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:16:40,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-11-10 12:16:40,192 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/0cbc400b8/376bfd7cd863481aa3404cf74b8e2635/FLAG1cb613bef [2018-11-10 12:16:40,537 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:16:40,538 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-11-10 12:16:40,544 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/0cbc400b8/376bfd7cd863481aa3404cf74b8e2635/FLAG1cb613bef [2018-11-10 12:16:40,554 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/0cbc400b8/376bfd7cd863481aa3404cf74b8e2635 [2018-11-10 12:16:40,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:16:40,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:16:40,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:16:40,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:16:40,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:16:40,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb84ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40, skipping insertion in model container [2018-11-10 12:16:40,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:16:40,586 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:16:40,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:16:40,731 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:16:40,768 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:16:40,784 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:16:40,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40 WrapperNode [2018-11-10 12:16:40,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:16:40,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:16:40,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:16:40,785 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:16:40,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... [2018-11-10 12:16:40,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:16:40,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:16:40,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:16:40,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:16:40,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:16:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:16:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:16:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-10 12:16:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 12:16:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 12:16:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 12:16:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 12:16:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:16:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:16:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:16:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 12:16:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:16:41,273 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:16:41,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:16:41 BoogieIcfgContainer [2018-11-10 12:16:41,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:16:41,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:16:41,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:16:41,276 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:16:41,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:16:40" (1/3) ... [2018-11-10 12:16:41,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a20912d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:16:41, skipping insertion in model container [2018-11-10 12:16:41,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:40" (2/3) ... [2018-11-10 12:16:41,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a20912d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:16:41, skipping insertion in model container [2018-11-10 12:16:41,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:16:41" (3/3) ... [2018-11-10 12:16:41,278 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-11-10 12:16:41,283 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:16:41,288 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:16:41,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:16:41,316 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:16:41,316 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:16:41,316 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:16:41,316 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:16:41,317 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:16:41,317 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:16:41,317 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:16:41,317 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:16:41,317 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:16:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-11-10 12:16:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:16:41,335 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:16:41,335 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:16:41,337 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:16:41,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:16:41,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2065751243, now seen corresponding path program 1 times [2018-11-10 12:16:41,342 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:16:41,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:16:41,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:16:41,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:16:41,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:16:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:16:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:16:41,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:16:41,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:16:41,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:16:41,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:16:41,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:16:41,461 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-11-10 12:16:41,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:16:41,486 INFO L93 Difference]: Finished difference Result 260 states and 330 transitions. [2018-11-10 12:16:41,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:16:41,487 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 12:16:41,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:16:41,495 INFO L225 Difference]: With dead ends: 260 [2018-11-10 12:16:41,495 INFO L226 Difference]: Without dead ends: 130 [2018-11-10 12:16:41,498 INFO L605 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 [2018-11-10 12:16:41,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-10 12:16:41,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-10 12:16:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-10 12:16:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-11-10 12:16:41,528 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-11-10 12:16:41,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:16:41,529 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-11-10 12:16:41,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:16:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-11-10 12:16:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:16:41,530 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:16:41,530 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:16:41,530 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:16:41,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:16:41,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2088857343, now seen corresponding path program 1 times [2018-11-10 12:16:41,530 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:16:41,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:16:41,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:16:41,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:16:41,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:16:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:16:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:16:41,592 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:16:41,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:16:41 BoogieIcfgContainer [2018-11-10 12:16:41,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:16:41,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:16:41,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:16:41,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:16:41,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:16:41" (3/4) ... [2018-11-10 12:16:41,627 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:16:41,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:16:41,628 INFO L168 Benchmark]: Toolchain (without parser) took 1071.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:16:41,629 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:16:41,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:16:41,630 INFO L168 Benchmark]: Boogie Preprocessor took 74.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 943.0 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:16:41,631 INFO L168 Benchmark]: RCFGBuilder took 414.33 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:16:41,631 INFO L168 Benchmark]: TraceAbstraction took 348.76 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: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:16:41,632 INFO L168 Benchmark]: Witness Printer took 4.07 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. [2018-11-10 12:16:41,634 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 943.0 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 414.33 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 348.76 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: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.07 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: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(huge_floor)=6442450948, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450961, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450959, \old(pS1_asin)=6442450954, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450958, \old(pS4_asin)=6442450964, \old(pS5_asin)=6442450956, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450965, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450962, \old(tiny_sqrt)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L228] float x = 1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L157] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450955, gf_u={6442450966:0}, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L158] FCALL gf_u.value = (x) VAL [\old(x)=6442450955, gf_u={6442450966:0}, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] EXPR, FCALL gf_u.word VAL [\old(x)=6442450955, gf_u={6442450966:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L159] (hx) = gf_u.word [L160] COND FALSE !(0) VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L161] ix = hx & 0x7fffffff VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L162] COND TRUE ix == 0x3f800000 [L164] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450955, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L229] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L229] float res = __ieee754_asinf(x); [L232] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L58] RET return x != x; VAL [\old(x)=6442450953, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450953] [L232] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450953, tiny_sqrt=1/1000000000000000000000000000000, x=6442450955] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 169 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 151 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:16:43,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:16:43,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:16:43,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:16:43,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:16:43,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:16:43,070 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:16:43,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:16:43,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:16:43,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:16:43,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:16:43,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:16:43,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:16:43,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:16:43,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:16:43,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:16:43,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:16:43,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:16:43,079 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:16:43,080 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:16:43,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:16:43,082 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:16:43,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:16:43,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:16:43,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:16:43,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:16:43,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:16:43,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:16:43,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:16:43,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:16:43,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:16:43,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:16:43,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:16:43,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:16:43,088 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:16:43,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:16:43,090 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 12:16:43,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:16:43,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:16:43,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:16:43,101 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:16:43,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:16:43,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:16:43,102 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:16:43,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:16:43,102 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:16:43,103 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:16:43,104 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:16:43,104 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:16:43,104 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:16:43,104 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:16:43,104 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:16:43,104 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:16:43,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:16:43,105 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:16:43,105 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:16:43,105 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:16:43,107 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 12:16:43,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:16:43,107 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:16:43,107 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:16:43,107 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_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-11-10 12:16:43,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:16:43,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:16:43,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:16:43,152 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:16:43,153 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:16:43,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-11-10 12:16:43,198 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/0f51357e7/24b3b7ac44dc4c3082d2b917cc443dc0/FLAG9c1ca6052 [2018-11-10 12:16:43,536 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:16:43,537 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-11-10 12:16:43,542 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/0f51357e7/24b3b7ac44dc4c3082d2b917cc443dc0/FLAG9c1ca6052 [2018-11-10 12:16:43,552 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/data/0f51357e7/24b3b7ac44dc4c3082d2b917cc443dc0 [2018-11-10 12:16:43,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:16:43,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:16:43,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:16:43,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:16:43,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:16:43,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de11074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43, skipping insertion in model container [2018-11-10 12:16:43,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:16:43,586 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:16:43,737 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:16:43,741 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:16:43,784 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:16:43,802 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:16:43,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43 WrapperNode [2018-11-10 12:16:43,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:16:43,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:16:43,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:16:43,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:16:43,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... [2018-11-10 12:16:43,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:16:43,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:16:43,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:16:43,854 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:16:43,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:16:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:16:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:16:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-10 12:16:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 12:16:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 12:16:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 12:16:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 12:16:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:16:43,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:16:43,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 12:16:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 12:16:43,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 12:16:44,092 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:44,097 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:50,263 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:50,272 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:52,475 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:52,479 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:52,883 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:52,889 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:52,921 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:52,926 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:16:53,341 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:16:53,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:16:53 BoogieIcfgContainer [2018-11-10 12:16:53,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:16:53,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:16:53,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:16:53,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:16:53,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:16:43" (1/3) ... [2018-11-10 12:16:53,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7f9233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:16:53, skipping insertion in model container [2018-11-10 12:16:53,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:16:43" (2/3) ... [2018-11-10 12:16:53,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7f9233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:16:53, skipping insertion in model container [2018-11-10 12:16:53,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:16:53" (3/3) ... [2018-11-10 12:16:53,347 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-11-10 12:16:53,352 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:16:53,358 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:16:53,366 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:16:53,386 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:16:53,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:16:53,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:16:53,387 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:16:53,387 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:16:53,387 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:16:53,387 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:16:53,387 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:16:53,387 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:16:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-10 12:16:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 12:16:53,402 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:16:53,402 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:16:53,404 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:16:53,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:16:53,407 INFO L82 PathProgramCache]: Analyzing trace with hash -117059629, now seen corresponding path program 1 times [2018-11-10 12:16:53,410 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:16:53,410 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:16:53,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:16:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:16:53,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:16:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:16:53,647 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:16:53,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:16:53,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:16:53,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:16:53,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:16:53,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:16:53,674 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-10 12:16:53,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:16:53,696 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2018-11-10 12:16:53,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:16:53,697 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-10 12:16:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:16:53,706 INFO L225 Difference]: With dead ends: 258 [2018-11-10 12:16:53,706 INFO L226 Difference]: Without dead ends: 129 [2018-11-10 12:16:53,709 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:16:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-10 12:16:53,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-10 12:16:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-10 12:16:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2018-11-10 12:16:53,740 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 20 [2018-11-10 12:16:53,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:16:53,740 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2018-11-10 12:16:53,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:16:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2018-11-10 12:16:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 12:16:53,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:16:53,741 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:16:53,742 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:16:53,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:16:53,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2092864102, now seen corresponding path program 1 times [2018-11-10 12:16:53,742 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:16:53,742 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:16:53,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:16:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:16:53,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:16:53,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:16:53,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:16:53,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:16:53,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:16:53,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:16:53,980 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 12:16:53,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 12:16:53,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 12:16:53,997 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:16:53,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:16:54,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:16:54,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 12:16:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:16:54,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:16:54,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:16:54,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:16:54,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:16:54,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:16:54,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:16:54,115 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand 9 states. [2018-11-10 12:17:00,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:17:00,823 INFO L93 Difference]: Finished difference Result 142 states and 159 transitions. [2018-11-10 12:17:00,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 12:17:00,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-11-10 12:17:00,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:17:00,826 INFO L225 Difference]: With dead ends: 142 [2018-11-10 12:17:00,827 INFO L226 Difference]: Without dead ends: 132 [2018-11-10 12:17:00,827 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 12:17:00,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-10 12:17:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2018-11-10 12:17:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-10 12:17:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 145 transitions. [2018-11-10 12:17:00,835 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 145 transitions. Word has length 29 [2018-11-10 12:17:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:17:00,836 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 145 transitions. [2018-11-10 12:17:00,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:17:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2018-11-10 12:17:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:17:00,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:17:00,837 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:17:00,837 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:17:00,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:17:00,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1585216761, now seen corresponding path program 1 times [2018-11-10 12:17:00,837 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:17:00,837 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:17:00,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:17:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:17:01,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:17:02,763 WARN L179 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-10 12:17:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:17:04,923 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:17:04,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:17:04,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:17:04,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:17:04,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:17:04,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:17:04,933 INFO L87 Difference]: Start difference. First operand 129 states and 145 transitions. Second operand 9 states. [2018-11-10 12:17:08,360 WARN L179 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 12:17:14,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:17:14,512 INFO L93 Difference]: Finished difference Result 138 states and 154 transitions. [2018-11-10 12:17:14,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:17:14,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-10 12:17:14,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:17:14,513 INFO L225 Difference]: With dead ends: 138 [2018-11-10 12:17:14,513 INFO L226 Difference]: Without dead ends: 131 [2018-11-10 12:17:14,514 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 12:17:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-10 12:17:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-11-10 12:17:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-10 12:17:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2018-11-10 12:17:14,522 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 30 [2018-11-10 12:17:14,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:17:14,522 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2018-11-10 12:17:14,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:17:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2018-11-10 12:17:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 12:17:14,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:17:14,523 INFO L375 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] [2018-11-10 12:17:14,523 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:17:14,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:17:14,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1154633071, now seen corresponding path program 1 times [2018-11-10 12:17:14,524 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:17:14,524 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:17:14,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:17:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:17:15,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:17:15,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:17:15,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:17:15,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:17:15,516 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:15,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:15,524 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 12:17:15,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 12:17:15,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 12:17:15,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:17:15,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:15,548 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:15,548 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 12:17:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:17:15,634 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:17:15,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:17:15,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:17:15,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:17:15,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:17:15,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:17:15,652 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 9 states. [2018-11-10 12:17:20,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:17:20,814 INFO L93 Difference]: Finished difference Result 142 states and 157 transitions. [2018-11-10 12:17:20,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 12:17:20,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-10 12:17:20,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:17:20,815 INFO L225 Difference]: With dead ends: 142 [2018-11-10 12:17:20,815 INFO L226 Difference]: Without dead ends: 108 [2018-11-10 12:17:20,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 12:17:20,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-10 12:17:20,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-10 12:17:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-10 12:17:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-11-10 12:17:20,822 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 32 [2018-11-10 12:17:20,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:17:20,822 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-11-10 12:17:20,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:17:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-11-10 12:17:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:17:20,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:17:20,823 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:17:20,823 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:17:20,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:17:20,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1692884503, now seen corresponding path program 1 times [2018-11-10 12:17:20,824 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:17:20,824 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/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 [2018-11-10 12:17:20,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:17:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:17:21,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:17:21,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:17:21,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:17:21,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:17:21,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:21,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:21,965 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 12:17:21,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-10 12:17:21,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-11-10 12:17:21,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:17:21,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:21,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:17:21,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 12:17:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:17:22,085 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 12:17:22,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:17:22,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:17:22,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:17:22,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:17:22,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:17:22,111 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 9 states. [2018-11-10 12:17:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:17:24,690 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2018-11-10 12:17:24,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 12:17:24,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-11-10 12:17:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:17:24,691 INFO L225 Difference]: With dead ends: 108 [2018-11-10 12:17:24,691 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:17:24,692 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-11-10 12:17:24,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:17:24,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:17:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:17:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:17:24,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-11-10 12:17:24,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:17:24,693 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:17:24,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:17:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:17:24,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:17:24,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:17:24,849 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-11-10 12:17:24,849 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-11-10 12:17:24,849 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-11-10 12:17:24,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:17:24,849 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:17:24,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:17:24,849 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L428 ceAbstractionStarter]: At program point L130-3(lines 130 134) the Hoare annotation is: true [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L135-2(lines 128 141) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L133-2(line 133) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point L131-3(line 131) no Hoare annotation was computed. [2018-11-10 12:17:24,850 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L136-2(line 136) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L136-3(line 136) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 12:17:24,851 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-10 12:17:24,852 INFO L425 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point floor_floatENTRY(lines 14 55) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-11-10 12:17:24,853 INFO L425 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 12:17:24,854 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-11-10 12:17:24,854 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (let ((.cse1 (fp.sub RNE .cse0 .cse0))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L421 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L159-2(line 159) no Hoare annotation was computed. [2018-11-10 12:17:24,855 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L205-2(line 205) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L205-3(line 205) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L421 ceAbstractionStarter]: At program point L156-3(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L156-4(lines 156 160) no Hoare annotation was computed. [2018-11-10 12:17:24,856 INFO L425 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L202-2(line 202) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L157-3(line 157) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L207-2(line 207) no Hoare annotation was computed. [2018-11-10 12:17:24,857 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L421 ceAbstractionStarter]: At program point L199-3(lines 199 203) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L204-2(lines 196 214) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-11-10 12:17:24,858 INFO L425 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L421 ceAbstractionStarter]: At program point L167-1(lines 167 182) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~3))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L200-2(line 200) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L200-3(line 200) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L68-3(line 68) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L70-2(line 70) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-11-10 12:17:24,859 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L428 ceAbstractionStarter]: At program point L121-3(lines 121 125) the Hoare annotation is: true [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L121-4(lines 121 125) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L122-2(line 122) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L122-3(line 122) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 98 107) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L428 ceAbstractionStarter]: At program point L98-3(lines 98 107) the Hoare annotation is: true [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L98-4(lines 62 127) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-11-10 12:17:24,860 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L428 ceAbstractionStarter]: At program point L67-3(lines 67 71) the Hoare annotation is: true [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L67-4(lines 67 71) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 85) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L84-3(lines 84 85) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L428 ceAbstractionStarter]: At program point L84-4(lines 84 85) the Hoare annotation is: true [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L84-5(lines 84 85) no Hoare annotation was computed. [2018-11-10 12:17:24,861 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-11-10 12:17:24,862 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-10 12:17:24,862 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-10 12:17:24,862 INFO L425 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-11-10 12:17:24,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,869 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,873 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,874 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:17:24 BoogieIcfgContainer [2018-11-10 12:17:24,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:17:24,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:17:24,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:17:24,876 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:17:24,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:16:53" (3/4) ... [2018-11-10 12:17:24,879 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-10 12:17:24,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 12:17:24,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:17:24,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-10 12:17:24,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 12:17:24,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:17:24,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 12:17:24,905 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-11-10 12:17:24,932 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b4d0e1d-a591-46f7-8a0a-0e414973dc14/bin-2019/uautomizer/witness.graphml [2018-11-10 12:17:24,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:17:24,933 INFO L168 Benchmark]: Toolchain (without parser) took 41378.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:17:24,934 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:17:24,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:17:24,934 INFO L168 Benchmark]: Boogie Preprocessor took 50.35 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:17:24,934 INFO L168 Benchmark]: RCFGBuilder took 9487.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:17:24,935 INFO L168 Benchmark]: TraceAbstraction took 31533.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:17:24,935 INFO L168 Benchmark]: Witness Printer took 56.52 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:17:24,936 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.35 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9487.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31533.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 56.52 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,940 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 12:17:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 168 locations, 1 error locations. SAFE Result, 31.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 24.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 643 SDtfs, 362 SDslu, 3039 SDs, 0 SdLazy, 392 SolverSat, 29 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 203 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 20 QuantifiedInterpolants, 42329 SizeOfPredicates, 28 NumberOfNonLiveVariables, 649 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...