/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash beb0f1f99c71d3013c37182d8a087219c2da2d10 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash beb0f1f99c71d3013c37182d8a087219c2da2d10 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:28:42,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:28:42,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:28:42,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:28:42,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:28:42,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:28:42,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:28:42,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:28:42,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:28:42,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:28:42,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:28:42,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:28:42,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:28:42,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:28:42,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:28:42,981 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:28:42,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:28:42,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:28:42,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:28:42,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:28:42,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:28:42,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:28:42,997 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:28:42,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:28:42,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:28:43,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:28:43,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:28:43,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:28:43,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:28:43,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:28:43,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:28:43,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:28:43,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:28:43,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:28:43,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:28:43,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:28:43,019 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:28:43,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:28:43,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:28:43,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:28:43,050 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:28:43,051 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:28:43,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:28:43,052 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:28:43,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:28:43,052 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:28:43,053 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:28:43,053 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:28:43,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:28:43,053 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:28:43,053 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:28:43,053 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:28:43,054 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:28:43,054 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:28:43,054 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:28:43,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:28:43,054 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:28:43,056 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:28:43,056 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:28:43,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:28:43,056 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:28:43,056 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:28:43,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:28:43,057 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:28:43,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:28:43,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:28:43,057 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb0f1f99c71d3013c37182d8a087219c2da2d10 [2018-09-20 15:28:43,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:28:43,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:28:43,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:28:43,138 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:28:43,139 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:28:43,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-09-20 15:28:43,523 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fe4d51d/0d3399f860b244aba54bef95f2df7854/FLAG32b85262c [2018-09-20 15:28:43,739 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:28:43,740 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-09-20 15:28:43,750 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fe4d51d/0d3399f860b244aba54bef95f2df7854/FLAG32b85262c [2018-09-20 15:28:43,765 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fe4d51d/0d3399f860b244aba54bef95f2df7854 [2018-09-20 15:28:43,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:28:43,772 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:28:43,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:43,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:28:43,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:28:43,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:43" (1/1) ... [2018-09-20 15:28:43,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7968e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:43, skipping insertion in model container [2018-09-20 15:28:43,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:43" (1/1) ... [2018-09-20 15:28:43,798 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:28:44,125 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:44,148 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:28:44,182 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:44,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44 WrapperNode [2018-09-20 15:28:44,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:44,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:28:44,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:28:44,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:28:44,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... [2018-09-20 15:28:44,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:28:44,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:28:44,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:28:44,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:28:44,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:28:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:28:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:28:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:28:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-09-20 15:28:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:28:44,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:28:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:28:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:28:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:28:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:28:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:28:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:28:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:28:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:28:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-09-20 15:28:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:28:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:28:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:28:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:28:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:28:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:28:45,541 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:28:45,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:28:45 BoogieIcfgContainer [2018-09-20 15:28:45,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:28:45,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:28:45,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:28:45,546 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:28:45,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:28:43" (1/3) ... [2018-09-20 15:28:45,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f746dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:28:45, skipping insertion in model container [2018-09-20 15:28:45,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:44" (2/3) ... [2018-09-20 15:28:45,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f746dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:28:45, skipping insertion in model container [2018-09-20 15:28:45,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:28:45" (3/3) ... [2018-09-20 15:28:45,550 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b_true-unreach-call.c [2018-09-20 15:28:45,561 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:28:45,570 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:28:45,624 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:28:45,625 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:28:45,625 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:28:45,625 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:28:45,626 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:28:45,626 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:28:45,627 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:28:45,627 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:28:45,627 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:28:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-09-20 15:28:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 15:28:45,659 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:28:45,660 INFO L376 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] [2018-09-20 15:28:45,662 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:28:45,668 INFO L82 PathProgramCache]: Analyzing trace with hash 662128350, now seen corresponding path program 1 times [2018-09-20 15:28:45,671 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:28:45,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:28:45,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:45,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:28:45,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:28:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:28:45,871 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:28:45,872 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:28:45,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:28:45,894 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:28:45,897 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:28:45,902 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-09-20 15:28:45,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:28:45,948 INFO L93 Difference]: Finished difference Result 230 states and 290 transitions. [2018-09-20 15:28:45,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:28:45,950 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 15:28:45,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:28:45,963 INFO L225 Difference]: With dead ends: 230 [2018-09-20 15:28:45,964 INFO L226 Difference]: Without dead ends: 115 [2018-09-20 15:28:45,969 INFO L606 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 [2018-09-20 15:28:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-09-20 15:28:46,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-09-20 15:28:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-09-20 15:28:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2018-09-20 15:28:46,020 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 23 [2018-09-20 15:28:46,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:28:46,020 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2018-09-20 15:28:46,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:28:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2018-09-20 15:28:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:28:46,023 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:28:46,023 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:28:46,024 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:28:46,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1945787210, now seen corresponding path program 1 times [2018-09-20 15:28:46,024 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:28:46,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:28:46,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:46,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:28:46,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:28:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:28:46,161 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:28:46,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:28:46 BoogieIcfgContainer [2018-09-20 15:28:46,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:28:46,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:28:46,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:28:46,231 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:28:46,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:28:45" (3/4) ... [2018-09-20 15:28:46,237 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:28:46,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:28:46,238 INFO L168 Benchmark]: Toolchain (without parser) took 2468.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 950.5 MB in the beginning and 1.0 GB in the end (delta: -54.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:46,241 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:28:46,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.48 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:46,242 INFO L168 Benchmark]: Boogie Preprocessor took 102.66 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:28:46,243 INFO L168 Benchmark]: RCFGBuilder took 1221.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 934.4 MB in the beginning and 1.0 GB in the end (delta: -106.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:46,244 INFO L168 Benchmark]: TraceAbstraction took 687.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:46,245 INFO L168 Benchmark]: Witness Printer took 6.58 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. [2018-09-20 15:28:46,250 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 444.48 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.66 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1221.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 934.4 MB in the beginning and 1.0 GB in the end (delta: -106.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 687.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.58 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)=10737418242, \old(Lg1_log)=10737418261, \old(Lg2_log)=10737418264, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418248, \old(Lg5_log)=10737418250, \old(Lg6_log)=10737418259, \old(Lg7_log)=10737418256, \old(ln2_hi_log)=10737418244, \old(ln2_lo_log)=10737418251, \old(log10_2hi_log10)=10737418254, \old(log10_2lo_log10)=10737418258, \old(two25_log)=10737418255, \old(two25_log10)=10737418257, \old(zero)=10737418262, \old(zero_log)=10737418253, 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)=10737418260, 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)=10737418260, 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=10737418260, zero=0, zero_log=0] [L109] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418260, gf_u={10737418263:0}, 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, two25_log=33554432, two25_log10=33554432, x=10737418260, zero=0, zero_log=0] [L110] FCALL gf_u.value = (x) VAL [\old(x)=10737418260, gf_u={10737418263:0}, 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, two25_log=33554432, two25_log10=33554432, x=10737418260, zero=0, zero_log=0] [L111] EXPR, FCALL gf_u.word VAL [\old(x)=10737418260, gf_u={10737418263:0}, gf_u.word=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=10737418260, zero=0, zero_log=0] [L111] (hx) = gf_u.word VAL [\old(x)=10737418260, gf_u={10737418263:0}, gf_u.word=6442450944, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L111] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=10737418245, \old(x)=10737418260, gf_u={10737418263:0}, gf_u.word=6442450944, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L112] COND FALSE !(0) VAL [\old(x)=10737418260, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L114] k = 0 VAL [\old(x)=10737418260, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] RET return -two25_log10 / zero; VAL [\old(x)=10737418260, hx=-2147483648, 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=10737418260, zero=0, zero_log=0] [L162] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=10737418246, 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=10737418260, zero=0, zero_log=0] [L162] float res = __ieee754_log10f(x); [L165] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418246, 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)=10737418246, 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=10737418246, zero=0, zero_log=0] [L147] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418246, gf_u={10737418247:0}, 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, two25_log=33554432, two25_log10=33554432, x=10737418246, zero=0, zero_log=0] [L148] FCALL gf_u.value = (x) VAL [\old(x)=10737418246, gf_u={10737418247:0}, 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, two25_log=33554432, two25_log10=33554432, x=10737418246, zero=0, zero_log=0] [L149] EXPR, FCALL gf_u.word VAL [\old(x)=10737418246, gf_u={10737418247:0}, gf_u.word=10737418240, 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=10737418246, zero=0, zero_log=0] [L149] (ix) = gf_u.word VAL [\old(x)=10737418246, gf_u={10737418247:0}, gf_u.word=10737418240, ivln10_log10=43429449201/100000000000, ix=-2147483648, 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=10737418246, zero=0, zero_log=0] [L149] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418249, \old(x)=10737418246, gf_u={10737418247:0}, gf_u.word=10737418240, ivln10_log10=43429449201/100000000000, ix=-2147483648, 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=10737418246, zero=0, zero_log=0] [L150] COND FALSE !(0) VAL [\old(x)=10737418246, ivln10_log10=43429449201/100000000000, ix=-2147483648, 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=10737418246, zero=0, zero_log=0] [L151] ix &= 0x7fffffff [L152] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418246, \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=10737418246, zero=0, zero_log=0] [L165] 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=10737418246, two25_log=33554432, two25_log10=33554432, x=10737418260, 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=10737418246, two25_log=33554432, two25_log10=33554432, x=10737418260, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 119 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 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=119occurred 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, 64 NumberOfCodeBlocks, 64 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 0.1.23-40ef509 [2018-09-20 15:28:48,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:28:48,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:28:48,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:28:48,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:28:48,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:28:48,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:28:48,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:28:48,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:28:48,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:28:48,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:28:48,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:28:48,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:28:48,692 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:28:48,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:28:48,696 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:28:48,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:28:48,707 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:28:48,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:28:48,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:28:48,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:28:48,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:28:48,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:28:48,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:28:48,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:28:48,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:28:48,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:28:48,732 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:28:48,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:28:48,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:28:48,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:28:48,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:28:48,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:28:48,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:28:48,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:28:48,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:28:48,748 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:28:48,776 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:28:48,777 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:28:48,778 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:28:48,778 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:28:48,779 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:28:48,779 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:28:48,779 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:28:48,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:28:48,780 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:28:48,780 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:28:48,780 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:28:48,780 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:28:48,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:28:48,781 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:28:48,781 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:28:48,781 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:28:48,781 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:28:48,781 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:28:48,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:28:48,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:28:48,782 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:28:48,782 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:28:48,782 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:28:48,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:28:48,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:28:48,783 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:28:48,783 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:28:48,783 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:28:48,783 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:28:48,784 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:28:48,784 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:28:48,784 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb0f1f99c71d3013c37182d8a087219c2da2d10 [2018-09-20 15:28:48,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:28:48,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:28:48,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:28:48,861 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:28:48,861 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:28:48,862 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-09-20 15:28:49,213 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec5689e2/093f2ed1b5a14016a78ca80e2aff393a/FLAG757a8f06e [2018-09-20 15:28:49,379 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:28:49,380 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0960b_true-unreach-call.c [2018-09-20 15:28:49,389 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec5689e2/093f2ed1b5a14016a78ca80e2aff393a/FLAG757a8f06e [2018-09-20 15:28:49,405 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec5689e2/093f2ed1b5a14016a78ca80e2aff393a [2018-09-20 15:28:49,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:28:49,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:28:49,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:49,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:28:49,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:28:49,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:49,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459db806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49, skipping insertion in model container [2018-09-20 15:28:49,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:49,436 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:28:49,808 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:49,833 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:28:49,920 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:49,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49 WrapperNode [2018-09-20 15:28:49,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:49,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:28:49,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:28:49,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:28:49,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:49,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:50,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:50,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:50,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:50,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:50,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... [2018-09-20 15:28:50,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:28:50,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:28:50,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:28:50,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:28:50,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:28:50,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:28:50,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:28:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:28:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-09-20 15:28:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:28:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:28:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:28:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:28:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-09-20 15:28:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:28:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:28:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:28:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:28:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:28:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:28:50,591 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:28:50,618 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:05,786 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:05,797 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:06,702 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:06,726 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:06,934 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:06,976 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:08,157 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:08,167 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:10,573 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:29:10,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:10 BoogieIcfgContainer [2018-09-20 15:29:10,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:29:10,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:29:10,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:29:10,578 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:29:10,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:28:49" (1/3) ... [2018-09-20 15:29:10,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6ddf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:10, skipping insertion in model container [2018-09-20 15:29:10,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:49" (2/3) ... [2018-09-20 15:29:10,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6ddf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:10, skipping insertion in model container [2018-09-20 15:29:10,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:10" (3/3) ... [2018-09-20 15:29:10,581 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b_true-unreach-call.c [2018-09-20 15:29:10,589 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:29:10,597 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:29:10,645 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:29:10,646 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:29:10,646 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:29:10,646 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:29:10,646 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:29:10,646 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:29:10,647 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:29:10,647 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:29:10,647 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:29:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-09-20 15:29:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:29:10,678 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:10,679 INFO L376 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] [2018-09-20 15:29:10,682 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:10,688 INFO L82 PathProgramCache]: Analyzing trace with hash -2021389718, now seen corresponding path program 1 times [2018-09-20 15:29:10,693 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:10,694 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:29:10,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:11,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:29:11,041 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:11,062 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:11,062 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:29:11,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:29:11,083 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:29:11,084 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:29:11,087 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-09-20 15:29:11,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:11,129 INFO L93 Difference]: Finished difference Result 228 states and 288 transitions. [2018-09-20 15:29:11,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:29:11,131 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:29:11,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:11,147 INFO L225 Difference]: With dead ends: 228 [2018-09-20 15:29:11,148 INFO L226 Difference]: Without dead ends: 114 [2018-09-20 15:29:11,156 INFO L606 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 [2018-09-20 15:29:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-09-20 15:29:11,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-09-20 15:29:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-09-20 15:29:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2018-09-20 15:29:11,237 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 22 [2018-09-20 15:29:11,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:11,239 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2018-09-20 15:29:11,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:29:11,240 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2018-09-20 15:29:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-20 15:29:11,245 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:11,245 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:11,246 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:11,246 INFO L82 PathProgramCache]: Analyzing trace with hash -114975408, now seen corresponding path program 1 times [2018-09-20 15:29:11,248 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:11,249 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:29:11,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:11,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:12,104 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:29:12,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:29:12,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:29:12,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:12,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:12,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:12,354 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:29:12,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:29:12,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:29:12,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:12,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:12,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:12,616 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:29:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:29:13,075 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:13,096 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:13,096 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 15:29:13,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 15:29:13,100 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 15:29:13,101 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:29:13,101 INFO L87 Difference]: Start difference. First operand 114 states and 128 transitions. Second operand 12 states. [2018-09-20 15:29:15,977 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-20 15:29:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:18,898 INFO L93 Difference]: Finished difference Result 121 states and 135 transitions. [2018-09-20 15:29:18,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:29:18,900 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-09-20 15:29:18,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:18,904 INFO L225 Difference]: With dead ends: 121 [2018-09-20 15:29:18,904 INFO L226 Difference]: Without dead ends: 114 [2018-09-20 15:29:18,906 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-09-20 15:29:18,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-09-20 15:29:18,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-09-20 15:29:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-09-20 15:29:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2018-09-20 15:29:18,925 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 40 [2018-09-20 15:29:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:18,925 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2018-09-20 15:29:18,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 15:29:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2018-09-20 15:29:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 15:29:18,927 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:18,928 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:18,928 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:18,928 INFO L82 PathProgramCache]: Analyzing trace with hash 510246033, now seen corresponding path program 1 times [2018-09-20 15:29:18,929 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:18,929 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:29:18,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:19,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:19,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:29:19,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:29:19,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:19,329 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:19,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:19,340 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:29:19,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:29:19,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:29:19,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:19,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:19,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:19,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:29:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:29:19,537 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:19,554 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:19,554 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:29:19,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:29:19,555 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:29:19,556 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:29:19,556 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand 8 states. [2018-09-20 15:29:21,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:21,573 INFO L93 Difference]: Finished difference Result 122 states and 135 transitions. [2018-09-20 15:29:21,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:29:21,575 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-09-20 15:29:21,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:21,576 INFO L225 Difference]: With dead ends: 122 [2018-09-20 15:29:21,576 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:29:21,578 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:29:21,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:29:21,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:29:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:29:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:29:21,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-09-20 15:29:21,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:21,579 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:29:21,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:29:21,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:29:21,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:29:21,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:29:22,019 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-09-20 15:29:22,316 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-09-20 15:29:22,492 INFO L426 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L149-2(line 149) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L147-2(line 147) no Hoare annotation was computed. [2018-09-20 15:29:22,493 INFO L426 ceAbstractionStarter]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2018-09-20 15:29:22,494 INFO L426 ceAbstractionStarter]: For program point L147-3(line 147) no Hoare annotation was computed. [2018-09-20 15:29:22,494 INFO L429 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 144 153) the Hoare annotation is: true [2018-09-20 15:29:22,494 INFO L422 ceAbstractionStarter]: At program point L146-3(lines 146 150) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log10~0)) (= |isinf_float_#in~x| isinf_float_~x) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:22,494 INFO L426 ceAbstractionStarter]: For program point L146-4(lines 146 150) no Hoare annotation was computed. [2018-09-20 15:29:22,494 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 144 153) no Hoare annotation was computed. [2018-09-20 15:29:22,494 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 144 153) no Hoare annotation was computed. [2018-09-20 15:29:22,495 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:29:22,495 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:29:22,495 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:29:22,495 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-09-20 15:29:22,495 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-09-20 15:29:22,495 INFO L429 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-09-20 15:29:22,497 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-09-20 15:29:22,497 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-09-20 15:29:22,497 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-09-20 15:29:22,497 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-09-20 15:29:22,497 INFO L429 ceAbstractionStarter]: At program point L39-3(lines 39 43) the Hoare annotation is: true [2018-09-20 15:29:22,498 INFO L426 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-09-20 15:29:22,498 INFO L426 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-09-20 15:29:22,498 INFO L429 ceAbstractionStarter]: At program point L23-3(lines 23 27) the Hoare annotation is: true [2018-09-20 15:29:22,498 INFO L426 ceAbstractionStarter]: For program point L23-4(lines 23 27) no Hoare annotation was computed. [2018-09-20 15:29:22,498 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-09-20 15:29:22,498 INFO L429 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: true [2018-09-20 15:29:22,500 INFO L426 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-09-20 15:29:22,500 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-20 15:29:22,500 INFO L426 ceAbstractionStarter]: For program point L40-1(line 40) no Hoare annotation was computed. [2018-09-20 15:29:22,500 INFO L426 ceAbstractionStarter]: For program point L40-2(line 40) no Hoare annotation was computed. [2018-09-20 15:29:22,500 INFO L426 ceAbstractionStarter]: For program point L40-3(line 40) no Hoare annotation was computed. [2018-09-20 15:29:22,501 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-09-20 15:29:22,501 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-09-20 15:29:22,502 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point L49-3(line 49) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:29:22,503 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-20 15:29:22,506 INFO L426 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:29:22,507 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L135-1(line 135) no Hoare annotation was computed. [2018-09-20 15:29:22,508 INFO L426 ceAbstractionStarter]: For program point L135-2(line 135) no Hoare annotation was computed. [2018-09-20 15:29:22,511 INFO L426 ceAbstractionStarter]: For program point L135-3(line 135) no Hoare annotation was computed. [2018-09-20 15:29:22,511 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-20 15:29:22,511 INFO L426 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-09-20 15:29:22,511 INFO L426 ceAbstractionStarter]: For program point L127-2(line 127) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L429 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-20 15:29:22,512 INFO L426 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-09-20 15:29:22,513 INFO L426 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-09-20 15:29:22,513 INFO L426 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-09-20 15:29:22,513 INFO L422 ceAbstractionStarter]: At program point L124-3(lines 124 128) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand __ieee754_log10f_~hx~0 (_ bv2147483647 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (= (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) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:22,513 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-09-20 15:29:22,513 INFO L422 ceAbstractionStarter]: At program point L108-3(lines 108 112) the Hoare annotation is: (or (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L108-4(lines 108 112) no Hoare annotation was computed. [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L137-2(line 137) no Hoare annotation was computed. [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L125-1(line 125) no Hoare annotation was computed. [2018-09-20 15:29:22,517 INFO L426 ceAbstractionStarter]: For program point L125-2(line 125) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L125-3(line 125) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-09-20 15:29:22,518 INFO L426 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-09-20 15:29:22,521 INFO L426 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-09-20 15:29:22,521 INFO L426 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-09-20 15:29:22,521 INFO L422 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0)) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand __ieee754_log10f_~hx~0 (_ bv2147483647 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)))) [2018-09-20 15:29:22,522 INFO L422 ceAbstractionStarter]: At program point L134-4(lines 134 138) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log10~0)) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0)) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (= (_ bv0 32) (bvand __ieee754_log10f_~hx~0 (_ bv2147483647 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)))) [2018-09-20 15:29:22,522 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:29:22,522 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0) (= ~two25_log10~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)))) [2018-09-20 15:29:22,522 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:29:22,522 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:29:22,522 INFO L426 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-09-20 15:29:22,522 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-09-20 15:29:22,523 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 155 171) the Hoare annotation is: true [2018-09-20 15:29:22,523 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 155 171) no Hoare annotation was computed. [2018-09-20 15:29:22,523 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 155 171) no Hoare annotation was computed. [2018-09-20 15:29:22,523 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-20 15:29:22,523 INFO L422 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0))) (.cse1 ((_ to_fp 8 24) RNE (_ +zero 11 53)))) (or (not (= .cse0 ~two25_log10~0)) (= main_~res~0 (fp.div RNE (fp.neg .cse0) .cse1)) (not (= .cse1 ~zero~0)))) [2018-09-20 15:29:22,523 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 165 168) no Hoare annotation was computed. [2018-09-20 15:29:22,527 INFO L422 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 33554432.0)) ~two25_log10~0)) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:22,538 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,539 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,540 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,543 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,543 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,544 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,546 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,546 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,546 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,550 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,550 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,550 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,550 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,551 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,552 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,552 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,554 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,554 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,554 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,555 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,555 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,555 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,557 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,557 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,558 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,558 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,558 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,558 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,559 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,559 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,560 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,560 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,560 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,560 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,563 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,563 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:29:22 BoogieIcfgContainer [2018-09-20 15:29:22,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:29:22,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:29:22,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:29:22,567 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:29:22,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:10" (3/4) ... [2018-09-20 15:29:22,573 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:29:22,581 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:29:22,581 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-09-20 15:29:22,581 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-09-20 15:29:22,582 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-09-20 15:29:22,582 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:29:22,591 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-09-20 15:29:22,592 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-09-20 15:29:22,592 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:29:22,593 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:29:22,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-09-20 15:29:22,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-09-20 15:29:22,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(__ieee754_log10f_~hx~0, 2147483647bv32)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-09-20 15:29:22,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero)) || (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(__ieee754_log10f_~hx~0, 2147483647bv32)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) [2018-09-20 15:29:22,687 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:29:22,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:29:22,693 INFO L168 Benchmark]: Toolchain (without parser) took 33283.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.9 MB in the beginning and 856.8 MB in the end (delta: 95.1 MB). Peak memory consumption was 240.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:22,694 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:29:22,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:22,695 INFO L168 Benchmark]: Boogie Preprocessor took 70.80 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:22,696 INFO L168 Benchmark]: RCFGBuilder took 20525.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:22,696 INFO L168 Benchmark]: TraceAbstraction took 11991.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.5 MB in the end (delta: 233.0 MB). Peak memory consumption was 233.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:22,699 INFO L168 Benchmark]: Witness Printer took 122.86 ms. Allocated memory is still 1.2 GB. Free memory was 863.5 MB in the beginning and 856.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:22,706 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 563.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.80 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 20525.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11991.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.5 MB in the end (delta: 233.0 MB). Peak memory consumption was 233.0 MB. Max. memory is 11.5 GB. * Witness Printer took 122.86 ms. Allocated memory is still 1.2 GB. Free memory was 863.5 MB in the beginning and 856.8 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * 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: 146]: Loop Invariant [2018-09-20 15:29:22,720 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,720 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,720 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,721 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,721 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,721 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 134]: Loop Invariant [2018-09-20 15:29:22,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,722 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,725 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,726 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,726 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,726 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,727 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,727 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,727 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero)) || (\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(__ieee754_log10f_~hx~0, 2147483647bv32)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant [2018-09-20 15:29:22,732 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,732 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,736 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 124]: Loop Invariant [2018-09-20 15:29:22,739 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,739 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,740 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,740 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,740 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,740 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,740 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,741 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,742 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,742 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,742 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:22,742 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,742 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:22,743 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (((\exists __ieee754_log10f_~hx~0 : bv32 :: !(0bv32 == ~bvand32(__ieee754_log10f_~hx~0, 2147483647bv32)) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3.3554432E7)) == two25_log10)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 118 locations, 1 error locations. SAFE Result, 11.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 7.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 346 SDtfs, 182 SDslu, 1507 SDs, 0 SdLazy, 220 SolverSat, 15 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 5 QuantifiedInterpolants, 26908 SizeOfPredicates, 16 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 24 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...