./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4df82ea580918989808f581f8b270f0b85e6120 ............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4df82ea580918989808f581f8b270f0b85e6120 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:15:29,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:15:29,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:15:29,054 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:15:29,054 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:15:29,055 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:15:29,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:15:29,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:15:29,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:15:29,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:15:29,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:15:29,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:15:29,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:15:29,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:15:29,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:15:29,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:15:29,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:15:29,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:15:29,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:15:29,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:15:29,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:15:29,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:15:29,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:15:29,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:15:29,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:15:29,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:15:29,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:15:29,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:15:29,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:15:29,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:15:29,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:15:29,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:15:29,078 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:15:29,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:15:29,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:15:29,080 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:15:29,080 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:15:29,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:15:29,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:15:29,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:15:29,093 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:15:29,093 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:15:29,093 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:15:29,093 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:15:29,093 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:15:29,093 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:15:29,093 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:15:29,094 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:15:29,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:15:29,094 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:15:29,094 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:15:29,094 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:15:29,095 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:15:29,095 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:15:29,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:15:29,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:15:29,097 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:15:29,097 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:15:29,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:15:29,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:15:29,097 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:15:29,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:15:29,098 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:15:29,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:15:29,098 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:15:29,098 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:15:29,098 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:15:29,098 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:15:29,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:15:29,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:15:29,099 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:15:29,099 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-10-26 20:15:29,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:15:29,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:15:29,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:15:29,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:15:29,141 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:15:29,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-10-26 20:15:29,186 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/71fe16b13/622c8b183ed24e9da4d3cd337016ac6d/FLAGb35a35de0 [2018-10-26 20:15:29,554 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:15:29,554 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-10-26 20:15:29,561 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/71fe16b13/622c8b183ed24e9da4d3cd337016ac6d/FLAGb35a35de0 [2018-10-26 20:15:29,573 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/71fe16b13/622c8b183ed24e9da4d3cd337016ac6d [2018-10-26 20:15:29,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:15:29,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:15:29,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:15:29,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:15:29,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:15:29,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1277d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29, skipping insertion in model container [2018-10-26 20:15:29,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:15:29,616 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:15:29,779 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:15:29,783 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:15:29,822 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:15:29,840 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:15:29,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29 WrapperNode [2018-10-26 20:15:29,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:15:29,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:15:29,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:15:29,842 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:15:29,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:15:29,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:15:29,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:15:29,892 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:15:29,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:29,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:30,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:30,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... [2018-10-26 20:15:30,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:15:30,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:15:30,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:15:30,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:15:30,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/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 [2018-10-26 20:15:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:15:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:15:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-10-26 20:15:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-10-26 20:15:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 20:15:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 20:15:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:15:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:15:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 20:15:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 20:15:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:15:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:15:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-26 20:15:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-26 20:15:31,017 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:15:31,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:15:31 BoogieIcfgContainer [2018-10-26 20:15:31,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:15:31,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:15:31,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:15:31,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:15:31,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:15:29" (1/3) ... [2018-10-26 20:15:31,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701b06f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:15:31, skipping insertion in model container [2018-10-26 20:15:31,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:29" (2/3) ... [2018-10-26 20:15:31,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701b06f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:15:31, skipping insertion in model container [2018-10-26 20:15:31,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:15:31" (3/3) ... [2018-10-26 20:15:31,028 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-10-26 20:15:31,036 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:15:31,043 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:15:31,055 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:15:31,081 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:15:31,081 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:15:31,081 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:15:31,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:15:31,082 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:15:31,082 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:15:31,082 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:15:31,082 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:15:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-10-26 20:15:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:15:31,106 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:15:31,106 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] [2018-10-26 20:15:31,109 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:15:31,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:15:31,114 INFO L82 PathProgramCache]: Analyzing trace with hash -909407616, now seen corresponding path program 1 times [2018-10-26 20:15:31,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:15:31,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:15:31,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:15:31,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:15:31,151 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:15:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:15:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:15:31,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:15:31,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:15:31,240 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:15:31,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:15:31,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:15:31,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:15:31,258 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-10-26 20:15:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:15:31,282 INFO L93 Difference]: Finished difference Result 148 states and 218 transitions. [2018-10-26 20:15:31,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:15:31,284 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-10-26 20:15:31,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:15:31,292 INFO L225 Difference]: With dead ends: 148 [2018-10-26 20:15:31,292 INFO L226 Difference]: Without dead ends: 74 [2018-10-26 20:15:31,296 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 [2018-10-26 20:15:31,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-26 20:15:31,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-10-26 20:15:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-10-26 20:15:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2018-10-26 20:15:31,328 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 21 [2018-10-26 20:15:31,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:15:31,328 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions. [2018-10-26 20:15:31,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:15:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-10-26 20:15:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:15:31,329 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:15:31,329 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] [2018-10-26 20:15:31,330 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:15:31,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:15:31,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1895543027, now seen corresponding path program 1 times [2018-10-26 20:15:31,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:15:31,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:15:31,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:15:31,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:15:31,332 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:15:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:15:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:15:31,447 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:15:31,462 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,463 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,464 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,464 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,464 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,464 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,465 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,465 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,465 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,465 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,466 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,466 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,466 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,466 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,467 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,469 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,469 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,469 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,470 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:15:31,470 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:15:31,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:15:31 BoogieIcfgContainer [2018-10-26 20:15:31,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:15:31,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:15:31,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:15:31,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:15:31,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:15:31" (3/4) ... [2018-10-26 20:15:31,498 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:15:31,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:15:31,499 INFO L168 Benchmark]: Toolchain (without parser) took 1922.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:15:31,501 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:15:31,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 945.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:15:31,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:15:31,502 INFO L168 Benchmark]: Boogie Preprocessor took 143.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:15:31,503 INFO L168 Benchmark]: RCFGBuilder took 982.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:15:31,504 INFO L168 Benchmark]: TraceAbstraction took 475.04 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:15:31,505 INFO L168 Benchmark]: Witness Printer took 5.03 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. [2018-10-26 20:15:31,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 945.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 982.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 475.04 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.03 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450966, \old(one_asin)=6442450953, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450961, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450960, \old(pS1_asin)=6442450955, \old(pS2_asin)=6442450948, \old(pS3_asin)=6442450959, \old(pS4_asin)=6442450964, \old(pS5_asin)=6442450957, \old(qS1_asin)=6442450967, \old(qS2_asin)=6442450965, \old(qS3_asin)=6442450946, \old(qS4_asin)=6442450962, \old(tiny_sqrt)=6442450963, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] float x = 0.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] CALL, EXPR __ieee754_asinf(x) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] CALL ieee_float_shape_type gf_u; [L112] RET ieee_float_shape_type gf_u; [L113] CALL gf_u.value = (x) [L113] RET gf_u.value = (x) [L114] CALL, EXPR gf_u.word [L114] RET, EXPR gf_u.word [L114] (hx) = gf_u.word [L114] RET (hx) = gf_u.word [L115] COND FALSE !(0) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=6442450949, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L187] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 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=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:15:33,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:15:33,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:15:33,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:15:33,348 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:15:33,349 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:15:33,350 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:15:33,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:15:33,352 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:15:33,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:15:33,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:15:33,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:15:33,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:15:33,355 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:15:33,356 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:15:33,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:15:33,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:15:33,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:15:33,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:15:33,362 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:15:33,363 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:15:33,364 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:15:33,366 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:15:33,366 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:15:33,367 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:15:33,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:15:33,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:15:33,369 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:15:33,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:15:33,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:15:33,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:15:33,372 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:15:33,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:15:33,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:15:33,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:15:33,374 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:15:33,374 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:15:33,386 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:15:33,386 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:15:33,387 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:15:33,387 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:15:33,387 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:15:33,388 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:15:33,388 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:15:33,388 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:15:33,388 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:15:33,389 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:15:33,390 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:15:33,390 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:15:33,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:15:33,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:15:33,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:15:33,390 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:15:33,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:15:33,391 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:15:33,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:15:33,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:15:33,393 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:15:33,393 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:15:33,393 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:15:33,394 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:15:33,394 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:15:33,394 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:15:33,394 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_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-10-26 20:15:33,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:15:33,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:15:33,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:15:33,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:15:33,442 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:15:33,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-10-26 20:15:33,485 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/74cbf6e44/f7664f0a17a2472b92e0b4214514dab9/FLAG251422df2 [2018-10-26 20:15:33,886 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:15:33,887 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-10-26 20:15:33,894 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/74cbf6e44/f7664f0a17a2472b92e0b4214514dab9/FLAG251422df2 [2018-10-26 20:15:33,904 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/data/74cbf6e44/f7664f0a17a2472b92e0b4214514dab9 [2018-10-26 20:15:33,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:15:33,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:15:33,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:15:33,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:15:33,913 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:15:33,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:15:33" (1/1) ... [2018-10-26 20:15:33,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588fb1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:33, skipping insertion in model container [2018-10-26 20:15:33,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:15:33" (1/1) ... [2018-10-26 20:15:33,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:15:33,952 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:15:34,151 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:15:34,156 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:15:34,200 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:15:34,222 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:15:34,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34 WrapperNode [2018-10-26 20:15:34,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:15:34,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:15:34,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:15:34,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:15:34,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:15:34,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:15:34,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:15:34,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:15:34,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... [2018-10-26 20:15:34,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:15:34,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:15:34,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:15:34,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:15:34,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/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 [2018-10-26 20:15:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:15:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:15:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-10-26 20:15:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-10-26 20:15:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 20:15:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 20:15:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:15:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:15:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 20:15:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 20:15:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:15:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:15:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-26 20:15:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-26 20:15:34,976 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:15:42,064 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:15:42,119 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:15:44,572 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:15:45,191 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:15:45,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:15:45 BoogieIcfgContainer [2018-10-26 20:15:45,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:15:45,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:15:45,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:15:45,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:15:45,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:15:33" (1/3) ... [2018-10-26 20:15:45,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4d7ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:15:45, skipping insertion in model container [2018-10-26 20:15:45,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:15:34" (2/3) ... [2018-10-26 20:15:45,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4d7ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:15:45, skipping insertion in model container [2018-10-26 20:15:45,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:15:45" (3/3) ... [2018-10-26 20:15:45,199 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-10-26 20:15:45,208 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:15:45,214 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:15:45,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:15:45,251 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:15:45,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:15:45,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:15:45,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:15:45,252 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:15:45,252 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:15:45,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:15:45,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:15:45,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:15:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-10-26 20:15:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:15:45,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:15:45,276 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] [2018-10-26 20:15:45,278 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:15:45,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:15:45,285 INFO L82 PathProgramCache]: Analyzing trace with hash 19313515, now seen corresponding path program 1 times [2018-10-26 20:15:45,289 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:15:45,290 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/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 [2018-10-26 20:15:45,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:15:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:15:45,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:15:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:15:45,530 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:15:45,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:15:45,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:15:45,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:15:45,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:15:45,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:15:45,557 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-10-26 20:15:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:15:45,581 INFO L93 Difference]: Finished difference Result 146 states and 216 transitions. [2018-10-26 20:15:45,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:15:45,582 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-10-26 20:15:45,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:15:45,592 INFO L225 Difference]: With dead ends: 146 [2018-10-26 20:15:45,592 INFO L226 Difference]: Without dead ends: 73 [2018-10-26 20:15:45,595 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 [2018-10-26 20:15:45,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-26 20:15:45,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-10-26 20:15:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-10-26 20:15:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-10-26 20:15:45,634 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 20 [2018-10-26 20:15:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:15:45,635 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-10-26 20:15:45,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:15:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-10-26 20:15:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:15:45,636 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:15:45,637 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] [2018-10-26 20:15:45,637 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:15:45,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:15:45,638 INFO L82 PathProgramCache]: Analyzing trace with hash 823911669, now seen corresponding path program 1 times [2018-10-26 20:15:45,638 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:15:45,639 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/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 [2018-10-26 20:15:45,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:15:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:15:45,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:15:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:15:46,228 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:15:46,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:15:46,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:15:46,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:15:46,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:15:46,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:15:46,240 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand 7 states. [2018-10-26 20:15:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:15:52,595 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2018-10-26 20:15:52,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:15:52,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-10-26 20:15:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:15:52,600 INFO L225 Difference]: With dead ends: 86 [2018-10-26 20:15:52,601 INFO L226 Difference]: Without dead ends: 76 [2018-10-26 20:15:52,601 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:15:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-10-26 20:15:52,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2018-10-26 20:15:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-10-26 20:15:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2018-10-26 20:15:52,616 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 21 [2018-10-26 20:15:52,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:15:52,617 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2018-10-26 20:15:52,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:15:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-10-26 20:15:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:15:52,619 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:15:52,619 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] [2018-10-26 20:15:52,619 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:15:52,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:15:52,620 INFO L82 PathProgramCache]: Analyzing trace with hash -960001939, now seen corresponding path program 1 times [2018-10-26 20:15:52,620 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:15:52,621 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:15:52,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 20:15:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:15:52,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:15:55,067 WARN L179 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-10-26 20:15:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:15:57,440 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:15:57,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:15:57,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:15:57,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:15:57,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:15:57,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:15:57,450 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand 9 states. [2018-10-26 20:16:01,383 WARN L179 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 20:16:07,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:07,844 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2018-10-26 20:16:07,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:16:07,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-10-26 20:16:07,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:07,857 INFO L225 Difference]: With dead ends: 82 [2018-10-26 20:16:07,857 INFO L226 Difference]: Without dead ends: 75 [2018-10-26 20:16:07,858 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-10-26 20:16:07,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-10-26 20:16:07,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-10-26 20:16:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-10-26 20:16:07,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2018-10-26 20:16:07,874 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 22 [2018-10-26 20:16:07,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:07,875 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2018-10-26 20:16:07,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:16:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2018-10-26 20:16:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:16:07,876 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:07,876 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] [2018-10-26 20:16:07,876 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:07,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:07,876 INFO L82 PathProgramCache]: Analyzing trace with hash -431370173, now seen corresponding path program 1 times [2018-10-26 20:16:07,877 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:16:07,877 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/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 [2018-10-26 20:16:07,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:16:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:08,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:16:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:09,045 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:16:09,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:09,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:16:09,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:16:09,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:16:09,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:16:09,069 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand 7 states. [2018-10-26 20:16:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:14,256 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2018-10-26 20:16:14,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:16:14,258 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-10-26 20:16:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:14,258 INFO L225 Difference]: With dead ends: 86 [2018-10-26 20:16:14,259 INFO L226 Difference]: Without dead ends: 68 [2018-10-26 20:16:14,259 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:16:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-10-26 20:16:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-10-26 20:16:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-26 20:16:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2018-10-26 20:16:14,268 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 24 [2018-10-26 20:16:14,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:14,268 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2018-10-26 20:16:14,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:16:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2018-10-26 20:16:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:16:14,271 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:14,271 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] [2018-10-26 20:16:14,272 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:14,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:14,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1951694685, now seen corresponding path program 1 times [2018-10-26 20:16:14,273 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:16:14,273 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:16:14,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-26 20:16:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:15,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:16:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:15,663 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:16:15,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:15,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:16:15,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:16:15,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:16:15,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:16:15,684 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 7 states. [2018-10-26 20:16:18,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:18,361 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-10-26 20:16:18,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:16:18,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-10-26 20:16:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:18,363 INFO L225 Difference]: With dead ends: 68 [2018-10-26 20:16:18,363 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:16:18,363 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:16:18,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:16:18,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:16:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:16:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:16:18,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-10-26 20:16:18,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:18,365 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:16:18,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:16:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:16:18,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:16:18,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-10-26 20:16:18,580 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:16:18,580 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-10-26 20:16:18,580 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-10-26 20:16:18,580 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-10-26 20:16:18,581 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-10-26 20:16:18,581 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 83 96) no Hoare annotation was computed. [2018-10-26 20:16:18,581 INFO L425 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2018-10-26 20:16:18,581 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-10-26 20:16:18,581 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:16:18,581 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:16:18,581 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:16:18,581 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:16:18,581 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-10-26 20:16:18,581 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-10-26 20:16:18,582 INFO L425 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-10-26 20:16:18,582 INFO L421 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= (let ((.cse0 (fp.sub RNE .cse1 .cse1))) (fp.div RNE .cse0 .cse0)) main_~res~0) (= .cse1 main_~x~0))) [2018-10-26 20:16:18,582 INFO L425 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-10-26 20:16:18,582 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-10-26 20:16:18,582 INFO L421 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-10-26 20:16:18,582 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-10-26 20:16:18,582 INFO L425 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-10-26 20:16:18,583 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-10-26 20:16:18,583 INFO L425 ceAbstractionStarter]: For program point L159-2(lines 151 169) no Hoare annotation was computed. [2018-10-26 20:16:18,587 INFO L425 ceAbstractionStarter]: For program point L159-3(lines 159 163) no Hoare annotation was computed. [2018-10-26 20:16:18,587 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-10-26 20:16:18,587 INFO L421 ceAbstractionStarter]: At program point L122-1(lines 122 137) 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~2))) (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|)) [2018-10-26 20:16:18,588 INFO L421 ceAbstractionStarter]: At program point L147(line 147) 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~2))) (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|)) [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L421 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-10-26 20:16:18,588 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L421 ceAbstractionStarter]: At program point L154-3(lines 154 158) 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~2))) (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|)) [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-10-26 20:16:18,589 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-10-26 20:16:18,589 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-10-26 20:16:18,590 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L428 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-10-26 20:16:18,591 INFO L428 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-10-26 20:16:18,591 INFO L425 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-10-26 20:16:18,597 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,598 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,598 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,598 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,598 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,598 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,598 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,599 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,607 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,608 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,608 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,608 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,608 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,608 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,609 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:16:18 BoogieIcfgContainer [2018-10-26 20:16:18,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:16:18,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:16:18,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:16:18,614 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:16:18,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:15:45" (3/4) ... [2018-10-26 20:16:18,619 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:16:18,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-10-26 20:16:18,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:16:18,625 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-26 20:16:18,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:16:18,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-10-26 20:16:18,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-10-26 20:16:18,634 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2018-10-26 20:16:18,634 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-10-26 20:16:18,635 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-10-26 20:16:18,636 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:16:18,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 20:16:18,661 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) [2018-10-26 20:16:18,705 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3ed50cd-44bd-48c5-ad60-9bd55908ca9a/bin-2019/utaipan/witness.graphml [2018-10-26 20:16:18,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:16:18,706 INFO L168 Benchmark]: Toolchain (without parser) took 44797.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 950.6 MB in the beginning and 916.6 MB in the end (delta: 34.0 MB). Peak memory consumption was 230.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,706 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-26 20:16:18,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.41 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,707 INFO L168 Benchmark]: Boogie Preprocessor took 66.63 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,707 INFO L168 Benchmark]: RCFGBuilder took 10827.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -212.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,708 INFO L168 Benchmark]: TraceAbstraction took 33420.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.7 MB in the end (delta: 206.6 MB). Peak memory consumption was 206.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,708 INFO L168 Benchmark]: Witness Printer took 91.73 ms. Allocated memory is still 1.2 GB. Free memory was 929.7 MB in the beginning and 916.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:18,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 314.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.41 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.63 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10827.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -212.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33420.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.7 MB in the end (delta: 206.6 MB). Peak memory consumption was 206.6 MB. Max. memory is 11.5 GB. * Witness Printer took 91.73 ms. Allocated memory is still 1.2 GB. Free memory was 929.7 MB in the beginning and 916.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-10-26 20:16:18,717 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,717 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,717 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,718 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,718 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,718 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,718 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,718 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,719 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,728 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,728 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,728 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-26 20:16:18,729 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 33.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 24.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 390 SDtfs, 198 SDslu, 1473 SDs, 0 SdLazy, 186 SolverSat, 23 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 191 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 18681 SizeOfPredicates, 37 NumberOfNonLiveVariables, 697 ConjunctsInSsa, 48 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...