/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970a_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_0970a_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 963536477b49c0268678cb8326bb32feb993b05a ........................................................................................................................................................................................................................................................................................................................................ 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_0970a_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 963536477b49c0268678cb8326bb32feb993b05a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:28:46,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:28:46,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:28:46,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:28:46,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:28:46,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:28:46,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:28:46,545 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:28:46,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:28:46,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:28:46,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:28:46,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:28:46,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:28:46,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:28:46,553 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:28:46,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:28:46,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:28:46,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:28:46,559 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:28:46,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:28:46,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:28:46,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:28:46,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:28:46,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:28:46,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:28:46,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:28:46,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:28:46,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:28:46,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:28:46,574 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:28:46,574 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:28:46,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:28:46,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:28:46,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:28:46,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:28:46,578 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:28:46,579 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:28:46,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:28:46,609 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:28:46,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:28:46,610 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:28:46,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:28:46,611 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:28:46,611 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:28:46,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:28:46,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:28:46,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:28:46,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:28:46,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:28:46,613 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:28:46,613 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:28:46,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:28:46,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:28:46,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:28:46,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:28:46,614 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:28:46,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:28:46,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:28:46,615 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:28:46,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:28:46,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:28:46,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:28:46,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:28:46,617 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:28:46,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:28:46,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:28:46,618 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 -> 963536477b49c0268678cb8326bb32feb993b05a [2018-09-20 15:28:46,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:28:46,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:28:46,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:28:46,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:28:46,711 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:28:46,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-09-20 15:28:47,090 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff522bd2/3c96dfd19f09478c84d51d6786fc7074/FLAGc1380713f [2018-09-20 15:28:47,267 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:28:47,268 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-09-20 15:28:47,277 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff522bd2/3c96dfd19f09478c84d51d6786fc7074/FLAGc1380713f [2018-09-20 15:28:47,294 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff522bd2/3c96dfd19f09478c84d51d6786fc7074 [2018-09-20 15:28:47,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:28:47,301 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:28:47,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:47,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:28:47,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:28:47,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f89614f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47, skipping insertion in model container [2018-09-20 15:28:47,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,326 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:28:47,591 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:47,627 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:28:47,695 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47 WrapperNode [2018-09-20 15:28:47,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:47,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:28:47,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:28:47,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:28:47,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (1/1) ... [2018-09-20 15:28:47,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:28:47,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:28:47,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:28:47,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:28:47,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (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 15:28:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:28:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:28:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:28:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-09-20 15:28:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:28:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-09-20 15:28:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:28:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:28:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:28:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-09-20 15:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-09-20 15:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:28:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:28:48,943 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:28:48,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:28:48 BoogieIcfgContainer [2018-09-20 15:28:48,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:28:48,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:28:48,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:28:48,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:28:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:28:47" (1/3) ... [2018-09-20 15:28:48,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705b7bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:28:48, skipping insertion in model container [2018-09-20 15:28:48,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:47" (2/3) ... [2018-09-20 15:28:48,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705b7bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:28:48, skipping insertion in model container [2018-09-20 15:28:48,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:28:48" (3/3) ... [2018-09-20 15:28:48,952 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-09-20 15:28:48,962 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:28:48,972 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:28:49,021 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:28:49,022 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:28:49,022 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:28:49,023 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:28:49,023 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:28:49,023 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:28:49,023 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:28:49,023 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:28:49,023 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:28:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-09-20 15:28:49,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 15:28:49,056 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:28:49,058 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 15:28:49,060 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:28:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1381458026, now seen corresponding path program 1 times [2018-09-20 15:28:49,069 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:28:49,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:28:49,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:49,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:28:49,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:28:49,294 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 15:28:49,300 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:28:49,301 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:28:49,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:28:49,320 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:28:49,322 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:28:49,326 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 3 states. [2018-09-20 15:28:49,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:28:49,393 INFO L93 Difference]: Finished difference Result 246 states and 310 transitions. [2018-09-20 15:28:49,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:28:49,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-20 15:28:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:28:49,406 INFO L225 Difference]: With dead ends: 246 [2018-09-20 15:28:49,406 INFO L226 Difference]: Without dead ends: 122 [2018-09-20 15:28:49,411 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:28:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-09-20 15:28:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-09-20 15:28:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-09-20 15:28:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 136 transitions. [2018-09-20 15:28:49,472 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 136 transitions. Word has length 23 [2018-09-20 15:28:49,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:28:49,475 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 136 transitions. [2018-09-20 15:28:49,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:28:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 136 transitions. [2018-09-20 15:28:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 15:28:49,482 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:28:49,482 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:28:49,483 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:28:49,483 INFO L82 PathProgramCache]: Analyzing trace with hash -399493746, now seen corresponding path program 1 times [2018-09-20 15:28:49,483 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:28:49,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:28:49,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:49,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:28:49,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:28:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:28:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:28:49,663 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:28:49,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:28:49 BoogieIcfgContainer [2018-09-20 15:28:49,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:28:49,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:28:49,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:28:49,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:28:49,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:28:48" (3/4) ... [2018-09-20 15:28:49,781 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:28:49,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:28:49,783 INFO L168 Benchmark]: Toolchain (without parser) took 2484.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:49,786 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:28:49,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.44 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 15:28:49,789 INFO L168 Benchmark]: Boogie Preprocessor took 70.99 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 15:28:49,790 INFO L168 Benchmark]: RCFGBuilder took 1135.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:49,792 INFO L168 Benchmark]: TraceAbstraction took 825.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:49,794 INFO L168 Benchmark]: Witness Printer took 11.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:28:49,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 433.44 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 70.99 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 1135.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 825.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 11.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of bitwiseAnd at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 117. Possible FailurePath: [L12-L16] 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; [L18] static const float zero_log = 0.0; [L98-L101] 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; [L103] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450947, \old(Lg1_log)=6442450963, \old(Lg2_log)=6442450967, \old(Lg3_log)=6442450946, \old(Lg4_log)=6442450950, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450962, \old(Lg7_log)=6442450958, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450953, \old(log10_2hi_log10)=6442450956, \old(log10_2lo_log10)=6442450960, \old(two25_log)=6442450957, \old(two25_log10)=6442450959, \old(zero)=6442450964, \old(zero_log)=6442450955, 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] [L166] float x = __VERIFIER_nondet_float(); [L168] x < 0 && isfinite_float(x) 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, x=6442450951, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) 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, x=6442450951, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] CALL, EXPR isfinite_float(x) VAL [\old(x)=6442450951, 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] [L149] __int32_t ix; VAL [\old(x)=6442450951, 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=6442450951, zero=0, zero_log=0] [L151] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450951, gf_u={6442450968:0}, 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=6442450951, zero=0, zero_log=0] [L152] FCALL gf_u.value = (x) VAL [\old(x)=6442450951, gf_u={6442450968:0}, 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=6442450951, zero=0, zero_log=0] [L153] EXPR, FCALL gf_u.word VAL [\old(x)=6442450951, gf_u={6442450968:0}, gf_u.word=3, 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=6442450951, zero=0, zero_log=0] [L153] (ix) = gf_u.word VAL [\old(x)=6442450951, gf_u={6442450968:0}, gf_u.word=3, ivln10_log10=43429449201/100000000000, ix=3, 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=6442450951, zero=0, zero_log=0] [L153] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=6442450966, \old(x)=6442450951, gf_u={6442450968:0}, gf_u.word=3, ivln10_log10=43429449201/100000000000, ix=3, 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=6442450951, zero=0, zero_log=0] [L154] COND FALSE !(0) VAL [\old(x)=6442450951, ivln10_log10=43429449201/100000000000, ix=3, 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=6442450951, zero=0, zero_log=0] [L155] ix &= 0x7fffffff [L156] RET return (((ix) < 0x7f800000L)); VAL [\old(x)=6442450951, \result=1, ivln10_log10=43429449201/100000000000, ix=2139095039, 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=6442450951, zero=0, zero_log=0] [L168] EXPR isfinite_float(x) VAL [isfinite_float(x)=1, 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=6442450951, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, 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=6442450951, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) [L170] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450951, 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] [L106] float y, z; [L107] __int32_t i, k, hx; VAL [\old(x)=6442450951, 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=6442450951, zero=0, zero_log=0] [L110] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450951, gf_u={6442450965:0}, 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=6442450951, zero=0, zero_log=0] [L111] FCALL gf_u.value = (x) VAL [\old(x)=6442450951, gf_u={6442450965:0}, 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=6442450951, zero=0, zero_log=0] [L112] EXPR, FCALL gf_u.word VAL [\old(x)=6442450951, gf_u={6442450965:0}, 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=6442450951, zero=0, zero_log=0] [L112] (hx) = gf_u.word VAL [\old(x)=6442450951, gf_u={6442450965:0}, 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=6442450951, zero=0, zero_log=0] [L112] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450961, \old(x)=6442450951, gf_u={6442450965:0}, 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=6442450951, zero=0, zero_log=0] [L113] COND FALSE !(0) VAL [\old(x)=6442450951, 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=6442450951, zero=0, zero_log=0] [L115] k = 0 VAL [\old(x)=6442450951, 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=6442450951, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] RET return -two25_log10 / zero; VAL [\old(x)=6442450951, 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=6442450951, zero=0, zero_log=0] [L170] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450945, 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=6442450951, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450945, 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] RET return x != x; VAL [\old(x)=6442450945, \result=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=6442450945, zero=0, zero_log=0] [L173] EXPR isnan_float(res) VAL [isnan_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=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450951, zero=0, zero_log=0] [L173] COND TRUE !isnan_float(res) [L174] __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=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450951, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 127 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 0 SDslu, 137 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 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 15:28:52,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:28:52,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:28:52,239 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:28:52,239 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:28:52,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:28:52,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:28:52,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:28:52,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:28:52,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:28:52,256 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:28:52,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:28:52,259 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:28:52,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:28:52,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:28:52,270 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:28:52,271 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:28:52,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:28:52,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:28:52,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:28:52,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:28:52,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:28:52,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:28:52,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:28:52,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:28:52,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:28:52,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:28:52,297 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:28:52,298 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:28:52,300 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:28:52,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:28:52,301 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:28:52,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:28:52,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:28:52,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:28:52,305 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:28:52,305 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:28:52,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:28:52,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:28:52,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:28:52,335 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:28:52,337 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:28:52,337 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:28:52,337 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:28:52,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:28:52,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:28:52,338 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:28:52,338 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:28:52,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:28:52,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:28:52,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:28:52,340 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:28:52,340 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:28:52,340 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:28:52,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:28:52,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:28:52,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:28:52,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:28:52,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:28:52,341 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:28:52,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:28:52,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:28:52,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:28:52,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:28:52,344 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:28:52,344 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:28:52,344 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:28:52,344 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:28:52,344 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 -> 963536477b49c0268678cb8326bb32feb993b05a [2018-09-20 15:28:52,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:28:52,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:28:52,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:28:52,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:28:52,462 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:28:52,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-09-20 15:28:52,814 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b667509/bdfe4daffe364c0b84cdcd6697e3acd9/FLAG156ac1922 [2018-09-20 15:28:53,056 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:28:53,059 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-09-20 15:28:53,072 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b667509/bdfe4daffe364c0b84cdcd6697e3acd9/FLAG156ac1922 [2018-09-20 15:28:53,100 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b667509/bdfe4daffe364c0b84cdcd6697e3acd9 [2018-09-20 15:28:53,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:28:53,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:28:53,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:53,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:28:53,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:28:53,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5604ea33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53, skipping insertion in model container [2018-09-20 15:28:53,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,148 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:28:53,545 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:53,573 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:28:53,654 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:28:53,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53 WrapperNode [2018-09-20 15:28:53,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:28:53,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:28:53,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:28:53,719 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:28:53,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (1/1) ... [2018-09-20 15:28:53,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:28:53,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:28:53,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:28:53,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:28:53,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (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 15:28:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:28:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:28:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:28:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-09-20 15:28:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:28:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-09-20 15:28:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:28:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-09-20 15:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-09-20 15:28:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:28:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:28:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:28:54,393 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:28:54,415 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:05,555 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:05,572 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:08,025 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:08,042 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:08,128 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:08,146 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:09,040 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:09,047 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:29:11,282 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:29:11,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:11 BoogieIcfgContainer [2018-09-20 15:29:11,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:29:11,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:29:11,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:29:11,287 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:29:11,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:28:53" (1/3) ... [2018-09-20 15:29:11,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4c616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:11, skipping insertion in model container [2018-09-20 15:29:11,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:28:53" (2/3) ... [2018-09-20 15:29:11,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4c616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:29:11, skipping insertion in model container [2018-09-20 15:29:11,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:11" (3/3) ... [2018-09-20 15:29:11,291 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-09-20 15:29:11,302 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:29:11,313 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:29:11,366 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:29:11,367 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:29:11,367 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:29:11,367 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:29:11,367 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:29:11,367 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:29:11,368 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:29:11,368 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:29:11,368 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:29:11,392 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-09-20 15:29:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:29:11,406 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:11,407 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 15:29:11,410 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:11,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1304830059, now seen corresponding path program 1 times [2018-09-20 15:29:11,422 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:11,423 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 15:29:11,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:11,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:11,770 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 15:29:11,770 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:11,790 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:11,790 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:29:11,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:29:11,811 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:29:11,812 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:29:11,815 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-09-20 15:29:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:11,869 INFO L93 Difference]: Finished difference Result 243 states and 306 transitions. [2018-09-20 15:29:11,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:29:11,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:29:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:11,888 INFO L225 Difference]: With dead ends: 243 [2018-09-20 15:29:11,891 INFO L226 Difference]: Without dead ends: 121 [2018-09-20 15:29:11,900 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 15:29:11,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-09-20 15:29:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-09-20 15:29:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-20 15:29:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 136 transitions. [2018-09-20 15:29:11,962 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 136 transitions. Word has length 22 [2018-09-20 15:29:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:11,962 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 136 transitions. [2018-09-20 15:29:11,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:29:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 136 transitions. [2018-09-20 15:29:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:29:11,965 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:11,965 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] [2018-09-20 15:29:11,966 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:11,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1297324929, now seen corresponding path program 1 times [2018-09-20 15:29:11,967 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:11,968 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 15:29:11,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:12,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:12,298 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 15:29:12,298 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:12,311 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:12,311 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:29:12,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:29:12,315 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:29:12,316 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:29:12,316 INFO L87 Difference]: Start difference. First operand 121 states and 136 transitions. Second operand 3 states. [2018-09-20 15:29:12,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:12,365 INFO L93 Difference]: Finished difference Result 219 states and 248 transitions. [2018-09-20 15:29:12,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:29:12,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-20 15:29:12,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:12,369 INFO L225 Difference]: With dead ends: 219 [2018-09-20 15:29:12,369 INFO L226 Difference]: Without dead ends: 121 [2018-09-20 15:29:12,371 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:29:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-09-20 15:29:12,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-09-20 15:29:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-20 15:29:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 135 transitions. [2018-09-20 15:29:12,385 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 135 transitions. Word has length 31 [2018-09-20 15:29:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:12,385 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 135 transitions. [2018-09-20 15:29:12,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:29:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 135 transitions. [2018-09-20 15:29:12,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-20 15:29:12,388 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:12,388 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, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:12,389 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:12,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1290492092, now seen corresponding path program 1 times [2018-09-20 15:29:12,390 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:12,391 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 15:29:12,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:12,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:13,034 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 15:29:13,038 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 15:29:13,039 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:13,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:13,081 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 15:29:13,082 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:29:13,132 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 15:29:13,137 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 15:29:13,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:13,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:13,147 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 15:29:13,147 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:29:13,317 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 15:29:13,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:13,334 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:13,335 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:29:13,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:29:13,336 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:29:13,336 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:29:13,336 INFO L87 Difference]: Start difference. First operand 121 states and 135 transitions. Second operand 9 states. [2018-09-20 15:29:13,899 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 15:29:14,140 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:29:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:18,516 INFO L93 Difference]: Finished difference Result 139 states and 152 transitions. [2018-09-20 15:29:18,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:29:18,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-09-20 15:29:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:18,523 INFO L225 Difference]: With dead ends: 139 [2018-09-20 15:29:18,523 INFO L226 Difference]: Without dead ends: 129 [2018-09-20 15:29:18,524 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:29:18,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-09-20 15:29:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2018-09-20 15:29:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-20 15:29:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 134 transitions. [2018-09-20 15:29:18,540 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 134 transitions. Word has length 47 [2018-09-20 15:29:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:18,541 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 134 transitions. [2018-09-20 15:29:18,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:29:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2018-09-20 15:29:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 15:29:18,543 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:18,544 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:18,544 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:18,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1127257726, now seen corresponding path program 1 times [2018-09-20 15:29:18,545 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:18,545 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:29:18,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:18,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:19,681 WARN L178 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:29:20,250 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 15:29:20,250 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:20,266 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:20,266 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:29:20,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:29:20,267 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:29:20,269 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:29:20,269 INFO L87 Difference]: Start difference. First operand 121 states and 134 transitions. Second operand 8 states. [2018-09-20 15:29:21,905 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:29:22,253 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 15:29:22,704 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:29:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:24,943 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions. [2018-09-20 15:29:24,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-20 15:29:24,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2018-09-20 15:29:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:24,947 INFO L225 Difference]: With dead ends: 128 [2018-09-20 15:29:24,947 INFO L226 Difference]: Without dead ends: 121 [2018-09-20 15:29:24,948 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:29:24,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-09-20 15:29:24,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-09-20 15:29:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-20 15:29:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 133 transitions. [2018-09-20 15:29:24,974 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 133 transitions. Word has length 48 [2018-09-20 15:29:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:24,975 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 133 transitions. [2018-09-20 15:29:24,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:29:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 133 transitions. [2018-09-20 15:29:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 15:29:24,978 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:29:24,978 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:29:24,978 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:29:24,979 INFO L82 PathProgramCache]: Analyzing trace with hash -424094344, now seen corresponding path program 1 times [2018-09-20 15:29:24,979 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:29:24,980 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:29:24,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:29:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:29:25,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:29:25,191 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 15:29:25,203 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 15:29:25,203 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:25,209 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:25,223 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 15:29:25,224 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:29:25,260 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 15:29:25,264 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 15:29:25,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:29:25,270 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:29:25,274 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 15:29:25,275 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:29:25,376 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 15:29:25,377 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:29:25,394 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:29:25,394 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:29:25,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:29:25,395 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:29:25,395 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:29:25,395 INFO L87 Difference]: Start difference. First operand 121 states and 133 transitions. Second operand 9 states. [2018-09-20 15:29:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:29:26,871 INFO L93 Difference]: Finished difference Result 129 states and 141 transitions. [2018-09-20 15:29:26,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:29:26,873 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-09-20 15:29:26,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:29:26,874 INFO L225 Difference]: With dead ends: 129 [2018-09-20 15:29:26,874 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:29:26,876 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-09-20 15:29:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:29:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:29:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:29:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:29:26,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-20 15:29:26,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:29:26,879 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:29:26,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:29:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:29:26,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:29:26,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:29:27,364 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-09-20 15:29:27,620 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 145) no Hoare annotation was computed. [2018-09-20 15:29:27,620 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 145) the Hoare annotation is: true [2018-09-20 15:29:27,620 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 145) no Hoare annotation was computed. [2018-09-20 15:29:27,620 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point L153-1(line 153) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point L153-2(line 153) no Hoare annotation was computed. [2018-09-20 15:29:27,621 INFO L426 ceAbstractionStarter]: For program point L151-1(line 151) no Hoare annotation was computed. [2018-09-20 15:29:27,622 INFO L426 ceAbstractionStarter]: For program point L151-2(line 151) no Hoare annotation was computed. [2018-09-20 15:29:27,622 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2018-09-20 15:29:27,622 INFO L426 ceAbstractionStarter]: For program point L151-3(line 151) no Hoare annotation was computed. [2018-09-20 15:29:27,622 INFO L429 ceAbstractionStarter]: At program point L150-3(lines 150 154) the Hoare annotation is: true [2018-09-20 15:29:27,622 INFO L426 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 148 157) no Hoare annotation was computed. [2018-09-20 15:29:27,622 INFO L426 ceAbstractionStarter]: For program point L150-4(lines 150 154) no Hoare annotation was computed. [2018-09-20 15:29:27,622 INFO L429 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 148 157) the Hoare annotation is: true [2018-09-20 15:29:27,623 INFO L426 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 148 157) no Hoare annotation was computed. [2018-09-20 15:29:27,623 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 15:29:27,623 INFO L426 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-09-20 15:29:27,623 INFO L426 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-09-20 15:29:27,643 INFO L426 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:29:27,643 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:29:27,643 INFO L426 ceAbstractionStarter]: For program point L52-1(line 52) no Hoare annotation was computed. [2018-09-20 15:29:27,644 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-20 15:29:27,644 INFO L429 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-09-20 15:29:27,644 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-09-20 15:29:27,644 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-09-20 15:29:27,644 INFO L426 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-09-20 15:29:27,644 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-09-20 15:29:27,644 INFO L426 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-09-20 15:29:27,646 INFO L426 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-09-20 15:29:27,647 INFO L429 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: true [2018-09-20 15:29:27,647 INFO L426 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-09-20 15:29:27,647 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-09-20 15:29:27,648 INFO L429 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: true [2018-09-20 15:29:27,648 INFO L426 ceAbstractionStarter]: For program point L24-4(lines 24 28) no Hoare annotation was computed. [2018-09-20 15:29:27,648 INFO L426 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L429 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L41-2(line 41) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L41-3(line 41) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-09-20 15:29:27,649 INFO L426 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-09-20 15:29:27,651 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-09-20 15:29:27,651 INFO L426 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-09-20 15:29:27,651 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L50-1(line 50) no Hoare annotation was computed. [2018-09-20 15:29:27,652 INFO L426 ceAbstractionStarter]: For program point L50-2(line 50) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L50-3(line 50) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L43-1(line 43) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L43-2(line 43) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-09-20 15:29:27,654 INFO L426 ceAbstractionStarter]: For program point L126-1(line 126) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L126-2(line 126) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L126-3(line 126) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L110-1(line 110) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L110-2(line 110) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L110-3(line 110) no Hoare annotation was computed. [2018-09-20 15:29:27,655 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-09-20 15:29:27,656 INFO L422 ceAbstractionStarter]: At program point L135-3(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 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|))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:27,656 INFO L422 ceAbstractionStarter]: At program point L135-4(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 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|))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:27,656 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-20 15:29:27,656 INFO L426 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-09-20 15:29:27,656 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-20 15:29:27,656 INFO L429 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-09-20 15:29:27,656 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-20 15:29:27,656 INFO L426 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-09-20 15:29:27,656 INFO L426 ceAbstractionStarter]: For program point L136-2(line 136) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L136-3(line 136) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L128-2(line 128) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-09-20 15:29:27,657 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L112-1(line 112) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L112-2(line 112) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L422 ceAbstractionStarter]: At program point L125-3(lines 125 129) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0)) (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 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 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L422 ceAbstractionStarter]: At program point L109-3(lines 109 113) the Hoare annotation is: (or (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-20 15:29:27,658 INFO L426 ceAbstractionStarter]: For program point L109-4(lines 109 113) no Hoare annotation was computed. [2018-09-20 15:29:27,659 INFO L426 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-09-20 15:29:27,659 INFO L426 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-09-20 15:29:27,659 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:29:27,659 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0) [2018-09-20 15:29:27,659 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:29:27,659 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:29:27,659 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 159 180) the Hoare annotation is: true [2018-09-20 15:29:27,659 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 159 180) no Hoare annotation was computed. [2018-09-20 15:29:27,664 INFO L426 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-09-20 15:29:27,664 INFO L422 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (and (fp.lt main_~x~0 ((_ to_fp 8 24) RNE (_ bv0 32))) (exists ((__ieee754_log10f_~x (_ FloatingPoint 8 24))) (= main_~res~0 (fp.div RNE (fp.sub RNE __ieee754_log10f_~x __ieee754_log10f_~x) ((_ to_fp 8 24) RNE (_ +zero 11 53)))))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:27,664 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 159 180) no Hoare annotation was computed. [2018-09-20 15:29:27,664 INFO L426 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-09-20 15:29:27,664 INFO L422 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (fp.lt main_~x~0 ((_ to_fp 8 24) RNE (_ bv0 32))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:27,664 INFO L426 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-09-20 15:29:27,664 INFO L426 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-09-20 15:29:27,664 INFO L422 ceAbstractionStarter]: At program point L168-1(line 168) the Hoare annotation is: (or (and |main_#t~short17| (fp.lt main_~x~0 ((_ to_fp 8 24) RNE (_ bv0 32)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-09-20 15:29:27,665 INFO L426 ceAbstractionStarter]: For program point L168-2(line 168) no Hoare annotation was computed. [2018-09-20 15:29:27,665 INFO L426 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2018-09-20 15:29:27,665 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-09-20 15:29:27,665 INFO L426 ceAbstractionStarter]: For program point L168-6(lines 168 177) no Hoare annotation was computed. [2018-09-20 15:29:27,676 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,684 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,687 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,687 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,687 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,688 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,688 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,690 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,691 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,692 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,692 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,693 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,693 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,693 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,695 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,696 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,696 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,696 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,696 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:29:27 BoogieIcfgContainer [2018-09-20 15:29:27,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:29:27,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:29:27,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:29:27,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:29:27,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:29:11" (3/4) ... [2018-09-20 15:29:27,708 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:29:27,716 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:29:27,716 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:29:27,716 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-09-20 15:29:27,716 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-09-20 15:29:27,717 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-09-20 15:29:27,717 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:29:27,730 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-09-20 15:29:27,730 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-09-20 15:29:27,731 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:29:27,731 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:29:27,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-09-20 15:29:27,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) || (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~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 15:29:27,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-09-20 15:29:27,860 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:29:27,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:29:27,863 INFO L168 Benchmark]: Toolchain (without parser) took 34754.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 951.8 MB in the beginning and 1.2 GB in the end (delta: -237.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:29:27,865 INFO L168 Benchmark]: CDTParser took 0.24 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 15:29:27,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 934.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:27,866 INFO L168 Benchmark]: Boogie Preprocessor took 119.68 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:27,867 INFO L168 Benchmark]: RCFGBuilder took 17444.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 929.0 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:27,867 INFO L168 Benchmark]: TraceAbstraction took 16417.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -85.8 MB). Peak memory consumption was 263.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:27,868 INFO L168 Benchmark]: Witness Printer took 160.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:29:27,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 601.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 934.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.68 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17444.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 929.0 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16417.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -85.8 MB). Peak memory consumption was 263.5 MB. Max. memory is 11.5 GB. * Witness Printer took 160.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB 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 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 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 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2018-09-20 15:29:27,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,880 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,881 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,881 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,881 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,887 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 109]: Loop Invariant [2018-09-20 15:29:27,887 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,888 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 125]: Loop Invariant [2018-09-20 15:29:27,888 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,888 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,891 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,892 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,892 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,892 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:29:27,893 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,894 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,895 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-09-20 15:29:27,895 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, ~Pluszero~LONGDOUBLE()) == zero) || (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 126 locations, 1 error locations. SAFE Result, 16.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 11.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 642 SDtfs, 197 SDslu, 2251 SDs, 0 SdLazy, 271 SolverSat, 16 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 41 PreInvPairs, 52 NumberOfFragments, 153 HoareAnnotationTreeSize, 41 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 9 QuantifiedInterpolants, 34340 SizeOfPredicates, 20 NumberOfNonLiveVariables, 635 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...