./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b_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_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 beb0f1f99c71d3013c37182d8a087219c2da2d10 ....................................................................................................................................................................................................................................................................................................................................... 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_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 beb0f1f99c71d3013c37182d8a087219c2da2d10 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:55:15,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:55:15,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:55:15,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:55:15,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:55:15,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:55:15,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:55:15,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:55:15,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:55:15,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:55:15,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:55:15,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:55:15,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:55:15,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:55:15,231 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:55:15,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:55:15,232 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:55:15,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:55:15,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:55:15,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:55:15,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:55:15,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:55:15,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:55:15,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:55:15,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:55:15,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:55:15,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:55:15,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:55:15,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:55:15,240 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:55:15,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:55:15,240 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:55:15,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:55:15,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:55:15,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:55:15,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:55:15,242 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:55:15,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:55:15,249 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:55:15,250 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:55:15,250 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:55:15,250 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:55:15,250 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:55:15,250 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:55:15,250 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:55:15,251 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:55:15,251 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:55:15,251 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:55:15,251 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:55:15,251 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:55:15,251 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:55:15,252 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:55:15,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:55:15,253 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:55:15,253 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:55:15,253 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:55:15,253 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:55:15,253 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:55:15,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:55:15,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:55:15,254 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:55:15,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:55:15,254 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:55:15,254 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:55:15,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:55:15,254 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:55:15,254 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_35aeb011-49ba-4c13-8471-f0016add69ba/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 -> beb0f1f99c71d3013c37182d8a087219c2da2d10 [2018-12-09 18:55:15,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:55:15,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:55:15,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:55:15,281 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:55:15,281 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:55:15,282 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-12-09 18:55:15,316 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/f83c2a3e6/cd539ab9f566417080b5b58b13fed5b2/FLAG385647c15 [2018-12-09 18:55:15,748 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:55:15,748 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/sv-benchmarks/c/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-12-09 18:55:15,753 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/f83c2a3e6/cd539ab9f566417080b5b58b13fed5b2/FLAG385647c15 [2018-12-09 18:55:15,761 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/f83c2a3e6/cd539ab9f566417080b5b58b13fed5b2 [2018-12-09 18:55:15,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:55:15,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:55:15,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:15,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:55:15,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:55:15,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,768 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 06:55:15, skipping insertion in model container [2018-12-09 18:55:15,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:55:15,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:55:15,898 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:15,901 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:55:15,926 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:15,968 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:55:15,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15 WrapperNode [2018-12-09 18:55:15,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:15,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:15,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:55:15,969 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:55:15,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:15,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:55:15,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:55:15,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:55:15,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:15,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:16,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:16,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:16,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... [2018-12-09 18:55:16,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:55:16,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:55:16,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:55:16,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:55:16,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 18:55:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:55:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 18:55:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:55:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 18:55:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 18:55:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 18:55:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 18:55:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:55:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:55:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 18:55:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:55:16,241 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:55:16,241 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 18:55:16,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:16 BoogieIcfgContainer [2018-12-09 18:55:16,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:55:16,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:55:16,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:55:16,244 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:55:16,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:55:15" (1/3) ... [2018-12-09 18:55:16,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30e5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:16, skipping insertion in model container [2018-12-09 18:55:16,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:15" (2/3) ... [2018-12-09 18:55:16,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e30e5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:16, skipping insertion in model container [2018-12-09 18:55:16,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:16" (3/3) ... [2018-12-09 18:55:16,246 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b_true-unreach-call.c [2018-12-09 18:55:16,252 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:55:16,257 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:55:16,266 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:55:16,284 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:55:16,284 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:55:16,284 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:55:16,284 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:55:16,284 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:55:16,284 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:55:16,284 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:55:16,285 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:55:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-12-09 18:55:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 18:55:16,298 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:16,299 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 18:55:16,300 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:16,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:16,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1623804891, now seen corresponding path program 1 times [2018-12-09 18:55:16,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:16,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:16,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:16,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:16,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:16,391 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 18:55:16,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:16,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:55:16,393 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:55:16,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:55:16,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:55:16,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:55:16,404 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2018-12-09 18:55:16,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:16,419 INFO L93 Difference]: Finished difference Result 118 states and 178 transitions. [2018-12-09 18:55:16,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:55:16,420 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 18:55:16,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:16,426 INFO L225 Difference]: With dead ends: 118 [2018-12-09 18:55:16,426 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 18:55:16,428 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 18:55:16,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 18:55:16,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-09 18:55:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-09 18:55:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2018-12-09 18:55:16,453 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 23 [2018-12-09 18:55:16,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:16,453 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2018-12-09 18:55:16,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:55:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2018-12-09 18:55:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 18:55:16,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:16,454 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 18:55:16,455 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:16,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:16,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1366088645, now seen corresponding path program 1 times [2018-12-09 18:55:16,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:16,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:16,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:16,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:16,456 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:55:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:55:16,516 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 18:55:16,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:55:16 BoogieIcfgContainer [2018-12-09 18:55:16,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:55:16,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:55:16,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:55:16,541 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:55:16,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:16" (3/4) ... [2018-12-09 18:55:16,543 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 18:55:16,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:55:16,544 INFO L168 Benchmark]: Toolchain (without parser) took 781.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -72.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:16,545 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:16,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:16,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.61 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:16,546 INFO L168 Benchmark]: Boogie Preprocessor took 23.00 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 18:55:16,546 INFO L168 Benchmark]: RCFGBuilder took 233.28 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:16,547 INFO L168 Benchmark]: TraceAbstraction took 298.56 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: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:16,547 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:16,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.61 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.00 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 233.28 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 298.56 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: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 166]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryFLOAToperation at line 161, 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] [L161] float x = -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] [L162] 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] [L162] 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] [L162] float res = __ieee754_log10f(x); [L165] 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] [L165] 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] [L165] COND TRUE !isinf_float(res) [L166] __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 18:55:17,884 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:55:17,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:55:17,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:55:17,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:55:17,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:55:17,892 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:55:17,893 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:55:17,894 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:55:17,895 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:55:17,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:55:17,895 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:55:17,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:55:17,897 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:55:17,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:55:17,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:55:17,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:55:17,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:55:17,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:55:17,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:55:17,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:55:17,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:55:17,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:55:17,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:55:17,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:55:17,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:55:17,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:55:17,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:55:17,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:55:17,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:55:17,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:55:17,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:55:17,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:55:17,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:55:17,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:55:17,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:55:17,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 18:55:17,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:55:17,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:55:17,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:55:17,918 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:55:17,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:55:17,918 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:55:17,918 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:55:17,918 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:55:17,918 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:55:17,918 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:55:17,919 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 18:55:17,919 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:55:17,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:55:17,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:55:17,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:55:17,921 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:55:17,921 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 18:55:17,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:55:17,921 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 18:55:17,921 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 18:55:17,921 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_35aeb011-49ba-4c13-8471-f0016add69ba/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 -> beb0f1f99c71d3013c37182d8a087219c2da2d10 [2018-12-09 18:55:17,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:55:17,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:55:17,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:55:17,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:55:17,948 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:55:17,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-12-09 18:55:17,983 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/aa0a85f7b/74c63eb9ea5e4aa88ecf467a0768abed/FLAG7b975772f [2018-12-09 18:55:18,417 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:55:18,417 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/sv-benchmarks/c/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-12-09 18:55:18,421 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/aa0a85f7b/74c63eb9ea5e4aa88ecf467a0768abed/FLAG7b975772f [2018-12-09 18:55:18,429 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/data/aa0a85f7b/74c63eb9ea5e4aa88ecf467a0768abed [2018-12-09 18:55:18,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:55:18,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:55:18,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:18,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:55:18,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:55:18,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,436 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 06:55:18, skipping insertion in model container [2018-12-09 18:55:18,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:55:18,453 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:55:18,566 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:18,570 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:55:18,600 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:18,616 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:55:18,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18 WrapperNode [2018-12-09 18:55:18,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:18,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:18,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:55:18,617 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:55:18,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:18,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:55:18,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:55:18,634 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:55:18,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... [2018-12-09 18:55:18,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:55:18,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:55:18,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:55:18,701 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:55:18,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:55:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-09 18:55:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:55:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 18:55:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 18:55:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 18:55:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 18:55:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:55:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:55:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 18:55:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 18:55:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:55:18,827 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:20,924 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:32,946 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:33,032 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:33,704 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:34,232 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:55:34,233 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 18:55:34,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:34 BoogieIcfgContainer [2018-12-09 18:55:34,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:55:34,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:55:34,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:55:34,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:55:34,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:55:18" (1/3) ... [2018-12-09 18:55:34,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322eb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:34, skipping insertion in model container [2018-12-09 18:55:34,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:18" (2/3) ... [2018-12-09 18:55:34,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322eb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:34, skipping insertion in model container [2018-12-09 18:55:34,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:34" (3/3) ... [2018-12-09 18:55:34,237 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b_true-unreach-call.c [2018-12-09 18:55:34,242 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:55:34,246 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:55:34,255 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:55:34,271 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 18:55:34,271 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:55:34,271 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:55:34,271 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:55:34,272 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:55:34,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:55:34,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:55:34,272 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:55:34,272 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:55:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-09 18:55:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 18:55:34,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:34,285 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 18:55:34,286 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:34,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:34,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1510744437, now seen corresponding path program 1 times [2018-12-09 18:55:34,292 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:55:34,292 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 18:55:34,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:34,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:34,514 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 18:55:34,514 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:55:34,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:34,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:55:34,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:55:34,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:55:34,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:55:34,541 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-09 18:55:34,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:34,559 INFO L93 Difference]: Finished difference Result 116 states and 176 transitions. [2018-12-09 18:55:34,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:55:34,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 18:55:34,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:34,569 INFO L225 Difference]: With dead ends: 116 [2018-12-09 18:55:34,569 INFO L226 Difference]: Without dead ends: 58 [2018-12-09 18:55:34,572 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 18:55:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-09 18:55:34,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-09 18:55:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 18:55:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2018-12-09 18:55:34,607 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 22 [2018-12-09 18:55:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:34,608 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2018-12-09 18:55:34,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:55:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2018-12-09 18:55:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 18:55:34,609 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:34,609 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 18:55:34,609 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:34,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash 615057415, now seen corresponding path program 1 times [2018-12-09 18:55:34,610 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:55:34,610 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 18:55:34,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:34,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:35,129 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-09 18:55:35,272 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 18:55:35,273 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:55:35,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:35,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 18:55:35,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:55:35,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:55:35,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:55:35,283 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand 10 states. [2018-12-09 18:55:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:38,786 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2018-12-09 18:55:38,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 18:55:38,787 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-12-09 18:55:38,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:38,788 INFO L225 Difference]: With dead ends: 65 [2018-12-09 18:55:38,788 INFO L226 Difference]: Without dead ends: 58 [2018-12-09 18:55:38,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:55:38,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-09 18:55:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-09 18:55:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 18:55:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2018-12-09 18:55:38,796 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 24 [2018-12-09 18:55:38,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:38,797 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2018-12-09 18:55:38,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:55:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2018-12-09 18:55:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 18:55:38,797 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:38,797 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 18:55:38,798 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:38,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:38,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1505985488, now seen corresponding path program 1 times [2018-12-09 18:55:38,798 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:55:38,798 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/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 18:55:38,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:39,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:39,049 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 18:55:39,050 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:55:39,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:39,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:55:39,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:55:39,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:55:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:55:39,063 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 6 states. [2018-12-09 18:55:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:39,678 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-12-09 18:55:39,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:55:39,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 18:55:39,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:39,679 INFO L225 Difference]: With dead ends: 62 [2018-12-09 18:55:39,679 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:55:39,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 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 18:55:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:55:39,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:55:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:55:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:55:39,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-09 18:55:39,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:39,681 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:55:39,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:55:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:55:39,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:55:39,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:55:39,989 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2018-12-09 18:55:39,989 INFO L444 ceAbstractionStarter]: At program point L146-2(lines 146 150) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |isinf_float_#in~x| isinf_float_~x)) [2018-12-09 18:55:39,989 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 144 153) the Hoare annotation is: true [2018-12-09 18:55:39,989 INFO L448 ceAbstractionStarter]: For program point L146-3(lines 146 150) no Hoare annotation was computed. [2018-12-09 18:55:39,989 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 144 153) no Hoare annotation was computed. [2018-12-09 18:55:39,989 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 144 153) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: true [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-09 18:55:39,990 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L451 ceAbstractionStarter]: At program point L39-2(lines 39 43) the Hoare annotation is: true [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-12-09 18:55:39,991 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-12-09 18:55:39,991 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L444 ceAbstractionStarter]: At program point L124-2(lines 124 128) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (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|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_log10f_~hx~0))) (= (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|)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L444 ceAbstractionStarter]: At program point L108-2(lines 108 112) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-09 18:55:39,992 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_log10f_~hx~0))) (= (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 18:55:39,992 INFO L444 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_log10f_~hx~0))) (= (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 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) (= ~two25_log10~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) [2018-12-09 18:55:39,993 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 155 171) the Hoare annotation is: true [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 155 171) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 155 171) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 18:55:39,993 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (or (not (= .cse0 ~two25_log10~0)) (= (fp.div roundNearestTiesToEven (fp.neg .cse0) .cse1) main_~res~0) (not (= .cse1 ~zero~0)))) [2018-12-09 18:55:39,993 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 168) no Hoare annotation was computed. [2018-12-09 18:55:39,994 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-12-09 18:55:39,999 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,000 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,000 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,000 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,001 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,002 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,002 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,002 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,002 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,003 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,003 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,003 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,003 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,004 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,004 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,004 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,004 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,004 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:55:40 BoogieIcfgContainer [2018-12-09 18:55:40,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:55:40,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:55:40,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:55:40,009 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:55:40,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:34" (3/4) ... [2018-12-09 18:55:40,012 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:55:40,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-09 18:55:40,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:55:40,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-09 18:55:40,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-09 18:55:40,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:55:40,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 18:55:40,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 18:55:40,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:55:40,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:55:40,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x [2018-12-09 18:55:40,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x [2018-12-09 18:55:40,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 18:55:40,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) [2018-12-09 18:55:40,056 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_35aeb011-49ba-4c13-8471-f0016add69ba/bin-2019/utaipan/witness.graphml [2018-12-09 18:55:40,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:55:40,056 INFO L168 Benchmark]: Toolchain (without parser) took 21625.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.7 MB in the beginning and 920.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 168.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:40,057 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:40,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.66 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:40,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.98 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:40,057 INFO L168 Benchmark]: Boogie Preprocessor took 66.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:40,057 INFO L168 Benchmark]: RCFGBuilder took 15532.29 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:40,058 INFO L168 Benchmark]: TraceAbstraction took 5775.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.4 MB in the end (delta: 158.4 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:40,058 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 1.2 GB. Free memory was 927.4 MB in the beginning and 920.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:40,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.66 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.98 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15532.29 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5775.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.4 MB in the end (delta: 158.4 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.82 ms. Allocated memory is still 1.2 GB. Free memory was 927.4 MB in the beginning and 920.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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 18:55:40,061 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,062 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) - InvariantResult [Line: 146]: Loop Invariant [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,063 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x - InvariantResult [Line: 108]: Loop Invariant [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,064 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero)) || \old(x) == x - InvariantResult [Line: 124]: Loop Invariant [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,065 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 18:55:40,066 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log10) || (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - 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, 5.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 91 SDslu, 616 SDs, 0 SdLazy, 104 SolverSat, 10 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 35 NumberOfFragments, 211 HoareAnnotationTreeSize, 25 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 279 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 5 QuantifiedInterpolants, 10156 SizeOfPredicates, 8 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...