./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_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_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ....................................................................................................................................................................................................................................................................................................................................... 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_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:49:01,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:49:01,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:49:01,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:49:01,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:49:01,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:49:01,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:49:01,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:49:01,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:49:01,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:49:01,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:49:01,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:49:01,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:49:01,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:49:01,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:49:01,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:49:01,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:49:01,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:49:01,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:49:01,961 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:49:01,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:49:01,962 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:49:01,963 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:49:01,963 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:49:01,963 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:49:01,964 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:49:01,964 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:49:01,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:49:01,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:49:01,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:49:01,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:49:01,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:49:01,967 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:49:01,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:49:01,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:49:01,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:49:01,968 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:49:01,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:49:01,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:49:01,976 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:49:01,976 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:49:01,977 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:49:01,977 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:49:01,978 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:49:01,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:49:01,978 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:49:01,978 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:49:01,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:49:01,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:49:01,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:49:01,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:49:01,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:49:01,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:49:01,980 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:49:01,980 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:49:01,980 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:49:01,980 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:49:01,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:49:01,980 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:49:01,980 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_e3918269-6293-4a69-b631-cd8cb628ed0a/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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2018-12-09 12:49:01,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:49:02,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:49:02,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:49:02,010 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:49:02,010 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:49:02,011 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-12-09 12:49:02,056 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/a416b5f44/df4cc93aea9346f8a53175c97ec5ddae/FLAG5608c0095 [2018-12-09 12:49:02,446 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:49:02,446 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-12-09 12:49:02,450 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/a416b5f44/df4cc93aea9346f8a53175c97ec5ddae/FLAG5608c0095 [2018-12-09 12:49:02,458 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/a416b5f44/df4cc93aea9346f8a53175c97ec5ddae [2018-12-09 12:49:02,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:49:02,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:49:02,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:49:02,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:49:02,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:49:02,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02, skipping insertion in model container [2018-12-09 12:49:02,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:49:02,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:49:02,586 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:49:02,588 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:49:02,612 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:49:02,657 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:49:02,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02 WrapperNode [2018-12-09 12:49:02,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:49:02,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:49:02,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:49:02,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:49:02,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:49:02,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:49:02,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:49:02,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:49:02,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... [2018-12-09 12:49:02,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:49:02,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:49:02,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:49:02,706 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:49:02,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:49:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:49:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 12:49:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:49:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 12:49:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 12:49:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:49:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 12:49:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 12:49:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:49:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:49:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:49:02,942 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:49:02,942 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 12:49:02,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:02 BoogieIcfgContainer [2018-12-09 12:49:02,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:49:02,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:49:02,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:49:02,946 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:49:02,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:49:02" (1/3) ... [2018-12-09 12:49:02,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe3466a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:49:02, skipping insertion in model container [2018-12-09 12:49:02,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:02" (2/3) ... [2018-12-09 12:49:02,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe3466a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:49:02, skipping insertion in model container [2018-12-09 12:49:02,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:02" (3/3) ... [2018-12-09 12:49:02,949 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981_true-unreach-call.c [2018-12-09 12:49:02,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:49:02,964 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:49:02,978 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:49:02,998 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:49:02,998 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:49:02,998 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:49:02,998 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:49:02,998 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:49:02,998 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:49:02,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:49:02,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:49:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-12-09 12:49:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 12:49:03,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:03,014 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] [2018-12-09 12:49:03,015 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:03,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:03,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1623804891, now seen corresponding path program 1 times [2018-12-09 12:49:03,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:49:03,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:49:03,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:03,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:49:03,048 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:49:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:03,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:49:03,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:49:03,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:49:03,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:49:03,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:49:03,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:49:03,125 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2018-12-09 12:49:03,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:49:03,141 INFO L93 Difference]: Finished difference Result 118 states and 178 transitions. [2018-12-09 12:49:03,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:49:03,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 12:49:03,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:49:03,147 INFO L225 Difference]: With dead ends: 118 [2018-12-09 12:49:03,147 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 12:49:03,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:49:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 12:49:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-09 12:49:03,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-09 12:49:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2018-12-09 12:49:03,172 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 23 [2018-12-09 12:49:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:49:03,173 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2018-12-09 12:49:03,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:49:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2018-12-09 12:49:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:49:03,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:03,174 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] [2018-12-09 12:49:03,174 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:03,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:03,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1366088645, now seen corresponding path program 1 times [2018-12-09 12:49:03,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:49:03,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:49:03,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:03,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:49:03,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:49:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:49:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:49:03,236 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:49:03,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:49:03 BoogieIcfgContainer [2018-12-09 12:49:03,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:49:03,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:49:03,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:49:03,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:49:03,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:02" (3/4) ... [2018-12-09 12:49:03,263 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 12:49:03,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:49:03,264 INFO L168 Benchmark]: Toolchain (without parser) took 803.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 958.8 MB in the beginning and 995.2 MB in the end (delta: -36.4 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:03,265 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:49:03,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -112.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:03,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.58 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. [2018-12-09 12:49:03,266 INFO L168 Benchmark]: Boogie Preprocessor took 29.33 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. [2018-12-09 12:49:03,266 INFO L168 Benchmark]: RCFGBuilder took 236.60 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:03,267 INFO L168 Benchmark]: TraceAbstraction took 317.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:03,267 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory is still 995.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:49:03,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -112.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.58 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 29.33 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 236.60 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 317.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory is still 995.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 168]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 151. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450956, \old(Lg1_log)=6442450953, \old(Lg2_log)=6442450954, \old(Lg3_log)=6442450955, \old(Lg4_log)=6442450958, \old(Lg5_log)=6442450959, \old(Lg6_log)=6442450967, \old(Lg7_log)=6442450964, \old(ln2_hi_log)=6442450945, \old(ln2_lo_log)=6442450948, \old(log10_2hi_log10)=6442450950, \old(log10_2lo_log10)=6442450966, \old(two25_log)=6442450963, \old(two25_log10)=6442450951, \old(zero)=6442450969, \old(zero_log)=6442450949, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L163] float x = 1.0f / 0.0f; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L164] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450968, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L105] float y, z; [L106] __int32_t i, k, hx; VAL [\old(x)=6442450968, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450968, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [\old(x)=6442450968, hx=2147483647, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450968, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [\old(x)=6442450968, hx=2147483647, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450968, zero=0, zero_log=0] [L164] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450944, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450968, zero=0, zero_log=0] [L164] float res = __ieee754_log10f(x); [L167] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450944, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L145] __int32_t ix; VAL [\old(x)=6442450944, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450944, zero=0, zero_log=0] [L147] ieee_float_shape_type gf_u; [L148] gf_u.value = (x) [L149] EXPR gf_u.word [L149] (ix) = gf_u.word [L151] ix &= 0x7fffffff [L152] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450944, \result=0, ivln10_log10=43429449201/100000000000, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450944, zero=0, zero_log=0] [L167] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450944, two25_log=33554432, two25_log10=33554432, x=6442450968, zero=0, zero_log=0] [L167] COND TRUE !isinf_float(res) [L168] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450944, two25_log=33554432, two25_log10=33554432, x=6442450968, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 63 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 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=63occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:49:04,626 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:49:04,627 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:49:04,633 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:49:04,633 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:49:04,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:49:04,634 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:49:04,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:49:04,636 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:49:04,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:49:04,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:49:04,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:49:04,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:49:04,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:49:04,638 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:49:04,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:49:04,639 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:49:04,640 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:49:04,641 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:49:04,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:49:04,642 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:49:04,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:49:04,644 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:49:04,644 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:49:04,644 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:49:04,645 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:49:04,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:49:04,646 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:49:04,646 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:49:04,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:49:04,647 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:49:04,647 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:49:04,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:49:04,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:49:04,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:49:04,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:49:04,648 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 12:49:04,655 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:49:04,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:49:04,656 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:49:04,656 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:49:04,656 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:49:04,656 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:49:04,656 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:49:04,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:49:04,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:49:04,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:49:04,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:49:04,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:49:04,659 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:49:04,659 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_e3918269-6293-4a69-b631-cd8cb628ed0a/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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2018-12-09 12:49:04,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:49:04,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:49:04,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:49:04,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:49:04,691 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:49:04,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-12-09 12:49:04,733 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/ed06e33ca/85a9f87468bc46219e0a652c5f7b81bf/FLAGe44435dab [2018-12-09 12:49:05,142 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:49:05,143 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/sv-benchmarks/c/float-newlib/float_req_bl_0981_true-unreach-call.c [2018-12-09 12:49:05,148 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/ed06e33ca/85a9f87468bc46219e0a652c5f7b81bf/FLAGe44435dab [2018-12-09 12:49:05,156 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/data/ed06e33ca/85a9f87468bc46219e0a652c5f7b81bf [2018-12-09 12:49:05,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:49:05,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:49:05,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:49:05,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:49:05,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:49:05,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05, skipping insertion in model container [2018-12-09 12:49:05,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:49:05,189 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:49:05,310 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:49:05,314 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:49:05,344 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:49:05,358 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:49:05,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05 WrapperNode [2018-12-09 12:49:05,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:49:05,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:49:05,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:49:05,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:49:05,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:49:05,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:49:05,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:49:05,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:49:05,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... [2018-12-09 12:49:05,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:49:05,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:49:05,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:49:05,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:49:05,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:49:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:49:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 12:49:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 12:49:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 12:49:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:49:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 12:49:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 12:49:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:49:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 12:49:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:49:05,564 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:49:07,657 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:49:17,618 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:49:17,698 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:49:19,932 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:49:20,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:49:20,548 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 12:49:20,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:20 BoogieIcfgContainer [2018-12-09 12:49:20,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:49:20,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:49:20,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:49:20,551 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:49:20,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:49:05" (1/3) ... [2018-12-09 12:49:20,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea44b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:49:20, skipping insertion in model container [2018-12-09 12:49:20,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:05" (2/3) ... [2018-12-09 12:49:20,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea44b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:49:20, skipping insertion in model container [2018-12-09 12:49:20,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:20" (3/3) ... [2018-12-09 12:49:20,553 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981_true-unreach-call.c [2018-12-09 12:49:20,559 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:49:20,564 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:49:20,572 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:49:20,591 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:49:20,591 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:49:20,591 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:49:20,591 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:49:20,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:49:20,591 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:49:20,592 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:49:20,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:49:20,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:49:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-09 12:49:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 12:49:20,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:20,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:49:20,608 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:20,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:20,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1510744437, now seen corresponding path program 1 times [2018-12-09 12:49:20,614 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:49:20,614 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:20,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:20,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:49:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:20,837 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:49:20,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:49:20,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:49:20,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:49:20,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:49:20,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:49:20,858 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-09 12:49:20,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:49:20,873 INFO L93 Difference]: Finished difference Result 116 states and 176 transitions. [2018-12-09 12:49:20,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:49:20,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 12:49:20,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:49:20,881 INFO L225 Difference]: With dead ends: 116 [2018-12-09 12:49:20,881 INFO L226 Difference]: Without dead ends: 58 [2018-12-09 12:49:20,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:49:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-09 12:49:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-09 12:49:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 12:49:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2018-12-09 12:49:20,913 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 22 [2018-12-09 12:49:20,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:49:20,914 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2018-12-09 12:49:20,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:49:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2018-12-09 12:49:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:49:20,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:20,915 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:49:20,915 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:20,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:20,915 INFO L82 PathProgramCache]: Analyzing trace with hash 615057415, now seen corresponding path program 1 times [2018-12-09 12:49:20,915 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:49:20,916 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:20,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:21,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:49:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:21,184 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:49:21,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:49:21,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:49:21,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:49:21,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:49:21,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:49:21,195 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand 6 states. [2018-12-09 12:49:22,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:49:22,658 INFO L93 Difference]: Finished difference Result 75 states and 88 transitions. [2018-12-09 12:49:22,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:49:22,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-09 12:49:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:49:22,661 INFO L225 Difference]: With dead ends: 75 [2018-12-09 12:49:22,661 INFO L226 Difference]: Without dead ends: 62 [2018-12-09 12:49:22,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:49:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-09 12:49:22,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2018-12-09 12:49:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 12:49:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2018-12-09 12:49:22,666 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 24 [2018-12-09 12:49:22,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:49:22,666 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2018-12-09 12:49:22,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:49:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2018-12-09 12:49:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:49:22,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:22,667 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] [2018-12-09 12:49:22,667 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:22,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:22,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1505985488, now seen corresponding path program 1 times [2018-12-09 12:49:22,668 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:49:22,668 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:22,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:22,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:49:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:22,916 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:49:22,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:49:22,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:49:22,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:49:22,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:49:22,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:49:22,927 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 6 states. [2018-12-09 12:49:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:49:24,005 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2018-12-09 12:49:24,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:49:24,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 12:49:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:49:24,007 INFO L225 Difference]: With dead ends: 75 [2018-12-09 12:49:24,007 INFO L226 Difference]: Without dead ends: 62 [2018-12-09 12:49:24,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:49:24,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-09 12:49:24,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2018-12-09 12:49:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 12:49:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2018-12-09 12:49:24,013 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 70 transitions. Word has length 25 [2018-12-09 12:49:24,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:49:24,013 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 70 transitions. [2018-12-09 12:49:24,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:49:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2018-12-09 12:49:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:49:24,014 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:24,014 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] [2018-12-09 12:49:24,014 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:24,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:24,015 INFO L82 PathProgramCache]: Analyzing trace with hash 287549227, now seen corresponding path program 1 times [2018-12-09 12:49:24,015 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:49:24,015 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:24,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:24,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:49:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:24,552 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:49:24,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:49:24,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 12:49:24,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:49:24,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:49:24,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:49:24,561 INFO L87 Difference]: Start difference. First operand 58 states and 70 transitions. Second operand 11 states. [2018-12-09 12:49:25,033 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 12:49:27,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:49:27,835 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2018-12-09 12:49:27,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:49:27,836 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-12-09 12:49:27,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:49:27,837 INFO L225 Difference]: With dead ends: 67 [2018-12-09 12:49:27,837 INFO L226 Difference]: Without dead ends: 60 [2018-12-09 12:49:27,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-09 12:49:27,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-09 12:49:27,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2018-12-09 12:49:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 12:49:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2018-12-09 12:49:27,842 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 26 [2018-12-09 12:49:27,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:49:27,843 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2018-12-09 12:49:27,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:49:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2018-12-09 12:49:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 12:49:27,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:49:27,843 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] [2018-12-09 12:49:27,843 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:49:27,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:27,844 INFO L82 PathProgramCache]: Analyzing trace with hash -2000909638, now seen corresponding path program 1 times [2018-12-09 12:49:27,844 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:49:27,844 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/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 [2018-12-09 12:49:27,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:49:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:28,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:49:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:28,301 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:49:28,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:49:28,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:49:28,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:49:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:49:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:49:28,318 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 6 states. [2018-12-09 12:49:28,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:49:28,803 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2018-12-09 12:49:28,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:49:28,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-12-09 12:49:28,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:49:28,805 INFO L225 Difference]: With dead ends: 60 [2018-12-09 12:49:28,805 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:49:28,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:49:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:49:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:49:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:49:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:49:28,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-12-09 12:49:28,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:49:28,806 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:49:28,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:49:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:49:28,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:49:28,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:49:28,887 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2018-12-09 12:49:28,887 INFO L444 ceAbstractionStarter]: At program point L146-2(lines 146 150) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-09 12:49:28,887 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 144 153) the Hoare annotation is: true [2018-12-09 12:49:28,887 INFO L448 ceAbstractionStarter]: For program point L146-3(lines 146 150) no Hoare annotation was computed. [2018-12-09 12:49:28,887 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 144 153) no Hoare annotation was computed. [2018-12-09 12:49:28,887 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 144 153) no Hoare annotation was computed. [2018-12-09 12:49:28,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:49:28,887 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:49:28,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: true [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-12-09 12:49:28,888 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-09 12:49:28,889 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L451 ceAbstractionStarter]: At program point L39-2(lines 39 43) the Hoare annotation is: true [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-12-09 12:49:28,890 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-12-09 12:49:28,890 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-12-09 12:49:28,891 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-12-09 12:49:28,891 INFO L444 ceAbstractionStarter]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)) [2018-12-09 12:49:28,891 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-12-09 12:49:28,891 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-12-09 12:49:28,891 INFO L444 ceAbstractionStarter]: At program point L108-2(lines 108 112) the Hoare annotation is: (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) [2018-12-09 12:49:28,891 INFO L448 ceAbstractionStarter]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2018-12-09 12:49:28,891 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-09 12:49:28,891 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-12-09 12:49:28,892 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-12-09 12:49:28,892 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-09 12:49:28,892 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) [2018-12-09 12:49:28,892 INFO L444 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) [2018-12-09 12:49:28,892 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:49:28,892 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 12:49:28,892 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:49:28,892 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:49:28,893 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 155 172) the Hoare annotation is: true [2018-12-09 12:49:28,893 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 155 172) no Hoare annotation was computed. [2018-12-09 12:49:28,893 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2018-12-09 12:49:28,893 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 155 172) no Hoare annotation was computed. [2018-12-09 12:49:28,893 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-09 12:49:28,893 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)) (= main_~x~0 .cse0))) [2018-12-09 12:49:28,893 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 167 170) no Hoare annotation was computed. [2018-12-09 12:49:28,893 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-09 12:49:28,894 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-09 12:49:28,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,899 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,900 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,902 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,903 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,903 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,903 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,904 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,904 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,905 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,905 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,905 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,905 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,905 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,906 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:49:28 BoogieIcfgContainer [2018-12-09 12:49:28,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:49:28,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:49:28,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:49:28,907 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:49:28,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:20" (3/4) ... [2018-12-09 12:49:28,910 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:49:28,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-09 12:49:28,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:49:28,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-09 12:49:28,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-09 12:49:28,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:49:28,920 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 12:49:28,920 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 12:49:28,920 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 12:49:28,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:49:28,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 12:49:28,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 12:49:28,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-12-09 12:49:28,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) [2018-12-09 12:49:28,966 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3918269-6293-4a69-b631-cd8cb628ed0a/bin-2019/utaipan/witness.graphml [2018-12-09 12:49:28,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:49:28,967 INFO L168 Benchmark]: Toolchain (without parser) took 23808.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 879.7 MB in the end (delta: 65.0 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:28,967 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:49:28,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:28,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:28,968 INFO L168 Benchmark]: Boogie Preprocessor took 33.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:49:28,968 INFO L168 Benchmark]: RCFGBuilder took 15109.43 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:28,969 INFO L168 Benchmark]: TraceAbstraction took 8357.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.4 MB in the end (delta: 198.6 MB). Peak memory consumption was 198.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:28,969 INFO L168 Benchmark]: Witness Printer took 59.01 ms. Allocated memory is still 1.2 GB. Free memory was 886.4 MB in the beginning and 879.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:49:28,970 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 199.50 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 15109.43 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8357.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.4 MB in the end (delta: 198.6 MB). Peak memory consumption was 198.6 MB. Max. memory is 11.5 GB. * Witness Printer took 59.01 ms. Allocated memory is still 1.2 GB. Free memory was 886.4 MB in the beginning and 879.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 168]: 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant [2018-12-09 12:49:28,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 124]: Loop Invariant [2018-12-09 12:49:28,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 12:49:28,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 1 error locations. SAFE Result, 8.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 311 SDtfs, 67 SDslu, 1165 SDs, 0 SdLazy, 202 SolverSat, 11 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 101 HoareAnnotationTreeSize, 29 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 131 ConstructedInterpolants, 14 QuantifiedInterpolants, 16761 SizeOfPredicates, 14 NumberOfNonLiveVariables, 613 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...