./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 80f5f1ccd9454019e5b231b920d368e18867583c ........................................................................................................................................................................................................................................................................................................................... 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_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:21:05,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:21:05,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:21:05,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:21:05,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:21:05,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:21:05,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:21:05,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:21:05,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:21:05,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:21:05,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:21:05,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:21:05,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:21:05,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:21:05,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:21:05,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:21:05,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:21:05,122 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:21:05,123 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:21:05,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:21:05,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:21:05,125 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:21:05,126 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:21:05,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:21:05,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:21:05,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:21:05,127 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:21:05,128 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:21:05,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:21:05,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:21:05,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:21:05,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:21:05,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:21:05,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:21:05,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:21:05,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:21:05,131 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:21:05,138 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:21:05,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:21:05,139 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:21:05,139 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:21:05,139 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:21:05,139 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:21:05,139 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:21:05,139 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:21:05,139 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:21:05,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:21:05,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:21:05,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:21:05,141 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:21:05,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:21:05,142 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:21:05,142 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:21:05,142 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:21:05,142 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:21:05,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:21:05,142 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:21:05,142 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_59348234-4981-4b8a-b35f-dcb085643603/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-12-08 17:21:05,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:21:05,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:21:05,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:21:05,173 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:21:05,173 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:21:05,174 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 17:21:05,213 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/d63051bdb/6c49691ff4324c109d245f4b334bc581/FLAG36a2485a8 [2018-12-08 17:21:05,539 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:21:05,539 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 17:21:05,543 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/d63051bdb/6c49691ff4324c109d245f4b334bc581/FLAG36a2485a8 [2018-12-08 17:21:05,552 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/d63051bdb/6c49691ff4324c109d245f4b334bc581 [2018-12-08 17:21:05,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:21:05,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:21:05,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:21:05,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:21:05,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:21:05,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed1acf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05, skipping insertion in model container [2018-12-08 17:21:05,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:21:05,575 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:21:05,682 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:21:05,685 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:21:05,711 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:21:05,754 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:21:05,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05 WrapperNode [2018-12-08 17:21:05,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:21:05,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:21:05,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:21:05,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:21:05,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:21:05,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:21:05,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:21:05,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:21:05,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... [2018-12-08 17:21:05,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:21:05,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:21:05,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:21:05,797 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:21:05,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 [2018-12-08 17:21:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:21:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:21:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-08 17:21:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-08 17:21:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 17:21:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 17:21:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:21:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:21:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-08 17:21:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-08 17:21:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 17:21:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:21:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:21:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:21:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:21:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-08 17:21:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-08 17:21:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:21:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-08 17:21:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-08 17:21:06,084 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:21:06,084 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 17:21:06,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:21:06 BoogieIcfgContainer [2018-12-08 17:21:06,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:21:06,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:21:06,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:21:06,088 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:21:06,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:21:05" (1/3) ... [2018-12-08 17:21:06,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f70f847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:21:06, skipping insertion in model container [2018-12-08 17:21:06,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:05" (2/3) ... [2018-12-08 17:21:06,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f70f847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:21:06, skipping insertion in model container [2018-12-08 17:21:06,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:21:06" (3/3) ... [2018-12-08 17:21:06,091 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-12-08 17:21:06,096 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:21:06,100 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:21:06,109 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:21:06,126 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:21:06,126 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:21:06,126 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:21:06,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:21:06,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:21:06,127 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:21:06,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:21:06,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:21:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-08 17:21:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 17:21:06,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:06,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:06,143 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:06,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:06,146 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-08 17:21:06,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:21:06,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:21:06,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:06,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:21:06,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:21:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:06,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:06,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:21:06,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:21:06,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:21:06,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:21:06,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:21:06,263 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-08 17:21:06,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:06,281 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-08 17:21:06,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:21:06,283 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-08 17:21:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:06,291 INFO L225 Difference]: With dead ends: 152 [2018-12-08 17:21:06,291 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 17:21:06,294 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:21:06,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 17:21:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-08 17:21:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 17:21:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-08 17:21:06,320 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-08 17:21:06,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:06,320 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-08 17:21:06,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:21:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-08 17:21:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:21:06,321 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:06,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:06,321 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:06,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:06,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-08 17:21:06,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:21:06,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:21:06,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:06,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:21:06,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:21:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:21:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:21:06,368 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 17:21:06,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:21:06 BoogieIcfgContainer [2018-12-08 17:21:06,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:21:06,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:21:06,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:21:06,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:21:06,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:21:06" (3/4) ... [2018-12-08 17:21:06,391 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 17:21:06,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:21:06,391 INFO L168 Benchmark]: Toolchain (without parser) took 837.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -43.7 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:06,392 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:21:06,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:06,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:06,393 INFO L168 Benchmark]: Boogie Preprocessor took 25.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:21:06,393 INFO L168 Benchmark]: RCFGBuilder took 287.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:06,394 INFO L168 Benchmark]: TraceAbstraction took 302.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:06,394 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:21:06,396 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 287.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 302.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=25, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=20, \old(pio4_hi_asin)=12, \old(pS0_asin)=18, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=17, \old(pS4_asin)=23, \old(pS5_asin)=15, \old(qS1_asin)=27, \old(qS2_asin)=24, \old(qS3_asin)=5, \old(qS4_asin)=21, \old(tiny_sqrt)=22, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=26, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, tiny_sqrt=1/1000000000000000000000000000000, x=14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:21:07,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:21:07,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:21:07,792 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:21:07,792 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:21:07,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:21:07,793 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:21:07,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:21:07,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:21:07,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:21:07,795 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:21:07,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:21:07,796 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:21:07,796 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:21:07,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:21:07,797 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:21:07,797 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:21:07,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:21:07,799 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:21:07,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:21:07,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:21:07,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:21:07,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:21:07,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:21:07,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:21:07,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:21:07,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:21:07,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:21:07,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:21:07,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:21:07,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:21:07,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:21:07,805 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:21:07,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:21:07,805 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:21:07,806 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:21:07,806 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 17:21:07,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:21:07,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:21:07,813 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:21:07,813 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:21:07,814 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:21:07,814 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:21:07,814 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:21:07,814 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:21:07,814 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:21:07,814 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:21:07,814 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:21:07,814 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:21:07,815 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:21:07,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:21:07,816 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 17:21:07,816 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:21:07,817 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:21:07,817 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:21:07,817 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_59348234-4981-4b8a-b35f-dcb085643603/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-12-08 17:21:07,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:21:07,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:21:07,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:21:07,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:21:07,844 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:21:07,844 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 17:21:07,881 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/fc0b5ae55/e0e39cb833604ce3aa9861b6968da804/FLAGa637de14f [2018-12-08 17:21:08,217 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:21:08,218 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-08 17:21:08,222 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/fc0b5ae55/e0e39cb833604ce3aa9861b6968da804/FLAGa637de14f [2018-12-08 17:21:08,230 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/data/fc0b5ae55/e0e39cb833604ce3aa9861b6968da804 [2018-12-08 17:21:08,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:21:08,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:21:08,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:21:08,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:21:08,235 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:21:08,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08, skipping insertion in model container [2018-12-08 17:21:08,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:21:08,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:21:08,369 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:21:08,373 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:21:08,405 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:21:08,427 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:21:08,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08 WrapperNode [2018-12-08 17:21:08,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:21:08,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:21:08,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:21:08,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:21:08,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:21:08,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:21:08,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:21:08,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:21:08,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... [2018-12-08 17:21:08,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:21:08,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:21:08,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:21:08,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:21:08,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 [2018-12-08 17:21:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:21:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:21:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-08 17:21:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-08 17:21:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 17:21:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:21:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:21:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-08 17:21:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:21:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-08 17:21:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:21:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-08 17:21:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-08 17:21:08,675 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:21:08,702 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:21:16,963 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:21:16,985 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:21:17,801 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 17:21:17,804 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:21:17,804 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 17:21:17,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:21:17 BoogieIcfgContainer [2018-12-08 17:21:17,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:21:17,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:21:17,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:21:17,806 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:21:17,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:21:08" (1/3) ... [2018-12-08 17:21:17,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d03b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:21:17, skipping insertion in model container [2018-12-08 17:21:17,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:21:08" (2/3) ... [2018-12-08 17:21:17,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d03b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:21:17, skipping insertion in model container [2018-12-08 17:21:17,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:21:17" (3/3) ... [2018-12-08 17:21:17,808 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-12-08 17:21:17,813 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:21:17,817 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:21:17,826 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:21:17,842 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:21:17,843 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:21:17,843 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:21:17,843 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:21:17,843 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:21:17,843 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:21:17,843 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:21:17,843 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:21:17,843 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:21:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-08 17:21:17,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 17:21:17,858 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:17,859 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:17,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:17,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:17,865 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-08 17:21:17,867 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:17,867 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 [2018-12-08 17:21:17,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:18,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:18,067 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:18,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:18,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:21:18,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:21:18,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:21:18,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:21:18,088 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-08 17:21:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:18,106 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-08 17:21:18,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:21:18,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-08 17:21:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:18,114 INFO L225 Difference]: With dead ends: 152 [2018-12-08 17:21:18,114 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 17:21:18,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:21:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 17:21:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-08 17:21:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 17:21:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-08 17:21:18,144 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-08 17:21:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:18,145 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-08 17:21:18,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:21:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-08 17:21:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:21:18,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:18,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:18,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:18,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:18,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-08 17:21:18,146 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:18,146 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 [2018-12-08 17:21:18,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:18,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:18,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:18,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:18,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:21:18,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:21:18,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:21:18,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:21:18,407 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-12-08 17:21:24,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:24,555 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-12-08 17:21:24,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:21:24,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-12-08 17:21:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:24,557 INFO L225 Difference]: With dead ends: 94 [2018-12-08 17:21:24,557 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 17:21:24,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:21:24,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 17:21:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-08 17:21:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 17:21:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-12-08 17:21:24,564 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-12-08 17:21:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:24,565 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-12-08 17:21:24,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:21:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-08 17:21:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 17:21:24,565 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:24,565 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:24,565 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:24,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:24,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-12-08 17:21:24,566 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:24,566 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 17:21:24,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:24,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:24,823 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:24,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:24,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:21:24,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:21:24,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:21:24,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:21:24,833 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-12-08 17:21:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:30,047 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2018-12-08 17:21:30,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:21:30,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-08 17:21:30,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:30,049 INFO L225 Difference]: With dead ends: 93 [2018-12-08 17:21:30,049 INFO L226 Difference]: Without dead ends: 78 [2018-12-08 17:21:30,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:21:30,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-08 17:21:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2018-12-08 17:21:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 17:21:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-12-08 17:21:30,055 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-12-08 17:21:30,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:30,055 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-12-08 17:21:30,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:21:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-12-08 17:21:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 17:21:30,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:30,056 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:30,056 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:30,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:30,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-12-08 17:21:30,057 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:30,057 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/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 [2018-12-08 17:21:30,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:31,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:31,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:31,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:31,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:21:31,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:21:31,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:21:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:21:31,092 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-12-08 17:21:36,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:36,230 INFO L93 Difference]: Finished difference Result 107 states and 128 transitions. [2018-12-08 17:21:36,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:21:36,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-08 17:21:36,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:36,232 INFO L225 Difference]: With dead ends: 107 [2018-12-08 17:21:36,232 INFO L226 Difference]: Without dead ends: 84 [2018-12-08 17:21:36,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:21:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-12-08 17:21:36,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2018-12-08 17:21:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-08 17:21:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2018-12-08 17:21:36,241 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 21 [2018-12-08 17:21:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:36,241 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2018-12-08 17:21:36,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:21:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-08 17:21:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 17:21:36,242 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:36,242 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:36,242 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:36,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:36,243 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-12-08 17:21:36,243 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:36,243 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 17:21:36,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:36,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:36,358 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:36,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:36,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:21:36,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:21:36,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:21:36,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:21:36,366 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand 7 states. [2018-12-08 17:21:36,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:36,745 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2018-12-08 17:21:36,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:21:36,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-08 17:21:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:36,746 INFO L225 Difference]: With dead ends: 88 [2018-12-08 17:21:36,746 INFO L226 Difference]: Without dead ends: 85 [2018-12-08 17:21:36,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:21:36,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-08 17:21:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-08 17:21:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-08 17:21:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 102 transitions. [2018-12-08 17:21:36,753 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 102 transitions. Word has length 22 [2018-12-08 17:21:36,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:36,753 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 102 transitions. [2018-12-08 17:21:36,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:21:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-12-08 17:21:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:21:36,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:36,754 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:36,754 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:36,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:36,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-12-08 17:21:36,754 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:36,754 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 17:21:36,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:36,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:36,980 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:36,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:36,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-08 17:21:36,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 17:21:36,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 17:21:36,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-08 17:21:36,988 INFO L87 Difference]: Start difference. First operand 85 states and 102 transitions. Second operand 12 states. [2018-12-08 17:21:37,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:37,546 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-12-08 17:21:37,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 17:21:37,546 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-12-08 17:21:37,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:37,547 INFO L225 Difference]: With dead ends: 90 [2018-12-08 17:21:37,547 INFO L226 Difference]: Without dead ends: 81 [2018-12-08 17:21:37,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:21:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-08 17:21:37,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-08 17:21:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-08 17:21:37,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2018-12-08 17:21:37,555 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 30 [2018-12-08 17:21:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:37,555 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2018-12-08 17:21:37,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 17:21:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2018-12-08 17:21:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 17:21:37,556 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:37,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:37,556 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:37,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:37,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1745980452, now seen corresponding path program 1 times [2018-12-08 17:21:37,556 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:37,557 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-08 17:21:37,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:38,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:38,736 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:38,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:38,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:21:38,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:21:38,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:21:38,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:21:38,755 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand 7 states. [2018-12-08 17:21:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:41,279 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2018-12-08 17:21:41,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:21:41,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-12-08 17:21:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:41,281 INFO L225 Difference]: With dead ends: 100 [2018-12-08 17:21:41,281 INFO L226 Difference]: Without dead ends: 79 [2018-12-08 17:21:41,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:21:41,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-08 17:21:41,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-08 17:21:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-08 17:21:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-12-08 17:21:41,288 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 41 [2018-12-08 17:21:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:41,288 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-12-08 17:21:41,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:21:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-12-08 17:21:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 17:21:41,289 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:21:41,289 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:21:41,290 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:21:41,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:21:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash -699242333, now seen corresponding path program 1 times [2018-12-08 17:21:41,290 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 17:21:41,290 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-08 17:21:41,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:21:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:21:42,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:21:43,067 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 17:21:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:21:43,497 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:21:43,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:21:43,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:21:43,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:21:43,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:21:43,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:21:43,522 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 6 states. [2018-12-08 17:21:45,020 WARN L180 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-08 17:21:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:21:48,061 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2018-12-08 17:21:48,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:21:48,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-12-08 17:21:48,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:21:48,066 INFO L225 Difference]: With dead ends: 76 [2018-12-08 17:21:48,067 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:21:48,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:21:48,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:21:48,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:21:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:21:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:21:48,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-12-08 17:21:48,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:21:48,068 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:21:48,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:21:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:21:48,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:21:48,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:21:48,820 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-12-08 17:21:49,366 WARN L180 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-12-08 17:21:49,794 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:21:49,821 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-12-08 17:21:49,821 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-12-08 17:21:49,821 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-12-08 17:21:49,821 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-12-08 17:21:49,822 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-12-08 17:21:49,822 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 17:21:49,822 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 17:21:49,823 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 17:21:49,823 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-12-08 17:21:49,823 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-08 17:21:49,824 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-12-08 17:21:49,825 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-12-08 17:21:49,825 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-08 17:21:49,826 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-12-08 17:21:49,833 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,834 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,834 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,838 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,838 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,838 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,838 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:21:49 BoogieIcfgContainer [2018-12-08 17:21:49,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:21:49,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:21:49,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:21:49,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:21:49,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:21:17" (3/4) ... [2018-12-08 17:21:49,842 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:21:49,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:21:49,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-08 17:21:49,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:21:49,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-08 17:21:49,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-08 17:21:49,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-08 17:21:49,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 17:21:49,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-08 17:21:49,851 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 17:21:49,851 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:21:49,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-12-08 17:21:49,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 17:21:49,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-12-08 17:21:49,885 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59348234-4981-4b8a-b35f-dcb085643603/bin-2019/utaipan/witness.graphml [2018-12-08 17:21:49,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:21:49,886 INFO L168 Benchmark]: Toolchain (without parser) took 41653.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,886 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:21:49,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.63 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,887 INFO L168 Benchmark]: Boogie Preprocessor took 28.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,887 INFO L168 Benchmark]: RCFGBuilder took 9286.16 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: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,887 INFO L168 Benchmark]: TraceAbstraction took 32034.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,887 INFO L168 Benchmark]: Witness Printer took 45.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:21:49,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.63 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9286.16 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: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32034.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Witness Printer took 45.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,891 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,892 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-12-08 17:21:49,893 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 17:21:49,894 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 24.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 657 SDtfs, 420 SDslu, 2716 SDs, 0 SdLazy, 396 SolverSat, 55 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 287 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48415 SizeOfPredicates, 29 NumberOfNonLiveVariables, 963 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...