./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer --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 86466cf5e99320b887fae6f726f2af775c2eaef8 .................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer --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 86466cf5e99320b887fae6f726f2af775c2eaef8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:49:04,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:49:04,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:49:04,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:49:04,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:49:04,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:49:04,549 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:49:04,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:49:04,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:49:04,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:49:04,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:49:04,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:49:04,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:49:04,553 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:49:04,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:49:04,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:49:04,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:49:04,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:49:04,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:49:04,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:49:04,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:49:04,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:49:04,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:49:04,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:49:04,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:49:04,563 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:49:04,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:49:04,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:49:04,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:49:04,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:49:04,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:49:04,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:49:04,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:49:04,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:49:04,568 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:49:04,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:49:04,569 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 05:49:04,579 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:49:04,579 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:49:04,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:49:04,579 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:49:04,580 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:49:04,580 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:49:04,580 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:49:04,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:49:04,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:49:04,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:49:04,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:49:04,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:49:04,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:49:04,582 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:49:04,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:49:04,583 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer 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 -> 86466cf5e99320b887fae6f726f2af775c2eaef8 [2018-11-10 05:49:04,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:49:04,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:49:04,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:49:04,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:49:04,617 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:49:04,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c [2018-11-10 05:49:04,654 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/5d9c0e4b5/dc7dddbcb57542b995e705d4432167dc/FLAG87bebc8ac [2018-11-10 05:49:05,060 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:49:05,061 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c [2018-11-10 05:49:05,065 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/5d9c0e4b5/dc7dddbcb57542b995e705d4432167dc/FLAG87bebc8ac [2018-11-10 05:49:05,076 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/5d9c0e4b5/dc7dddbcb57542b995e705d4432167dc [2018-11-10 05:49:05,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:49:05,079 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:49:05,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:49:05,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:49:05,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:49:05,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d64a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05, skipping insertion in model container [2018-11-10 05:49:05,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:49:05,111 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:49:05,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:49:05,241 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:49:05,267 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:49:05,283 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:49:05,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05 WrapperNode [2018-11-10 05:49:05,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:49:05,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:49:05,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:49:05,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:49:05,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... [2018-11-10 05:49:05,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:49:05,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:49:05,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:49:05,352 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:49:05,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:49:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:49:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 05:49:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 05:49:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 05:49:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:49:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:49:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 05:49:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 05:49:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:49:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 05:49:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:49:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 05:49:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 05:49:05,648 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:49:05,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:05 BoogieIcfgContainer [2018-11-10 05:49:05,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:49:05,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:49:05,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:49:05,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:49:05,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:49:05" (1/3) ... [2018-11-10 05:49:05,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d69238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:49:05, skipping insertion in model container [2018-11-10 05:49:05,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:05" (2/3) ... [2018-11-10 05:49:05,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d69238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:49:05, skipping insertion in model container [2018-11-10 05:49:05,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:05" (3/3) ... [2018-11-10 05:49:05,655 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0921_true-unreach-call.c [2018-11-10 05:49:05,661 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:49:05,665 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:49:05,674 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:49:05,692 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:49:05,692 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:49:05,692 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:49:05,693 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:49:05,693 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:49:05,693 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:49:05,693 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:49:05,693 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:49:05,693 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:49:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-11-10 05:49:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:49:05,708 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:05,708 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:05,709 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:05,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:05,713 INFO L82 PathProgramCache]: Analyzing trace with hash 613241854, now seen corresponding path program 1 times [2018-11-10 05:49:05,714 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:49:05,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:49:05,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:05,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:05,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:05,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:05,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:05,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 05:49:05,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 05:49:05,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:49:05,842 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 2 states. [2018-11-10 05:49:05,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:05,858 INFO L93 Difference]: Finished difference Result 126 states and 160 transitions. [2018-11-10 05:49:05,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:49:05,859 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 05:49:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:05,865 INFO L225 Difference]: With dead ends: 126 [2018-11-10 05:49:05,866 INFO L226 Difference]: Without dead ends: 63 [2018-11-10 05:49:05,867 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:49:05,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-10 05:49:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-10 05:49:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-10 05:49:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2018-11-10 05:49:05,891 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 21 [2018-11-10 05:49:05,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:05,891 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2018-11-10 05:49:05,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 05:49:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2018-11-10 05:49:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 05:49:05,892 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:05,892 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:05,893 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:05,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:05,893 INFO L82 PathProgramCache]: Analyzing trace with hash -569562436, now seen corresponding path program 1 times [2018-11-10 05:49:05,893 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:49:05,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:49:05,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:05,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:05,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:49:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:49:05,957 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:49:05,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:49:05 BoogieIcfgContainer [2018-11-10 05:49:05,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:49:05,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:49:05,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:49:05,986 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:49:05,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:05" (3/4) ... [2018-11-10 05:49:05,989 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:49:05,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:49:05,990 INFO L168 Benchmark]: Toolchain (without parser) took 911.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -100.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:05,991 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:49:05,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.27 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:05,992 INFO L168 Benchmark]: Boogie Preprocessor took 67.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:05,992 INFO L168 Benchmark]: RCFGBuilder took 296.89 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:05,993 INFO L168 Benchmark]: TraceAbstraction took 336.05 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: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:05,993 INFO L168 Benchmark]: Witness Printer took 3.77 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. [2018-11-10 05:49:05,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.27 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 296.89 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 336.05 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: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 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: 124]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 43. Possible FailurePath: [L24-L28] 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; [L30] static const float zero_log = 0.0; VAL [\old(Lg1_log)=6442450960, \old(Lg2_log)=6442450961, \old(Lg3_log)=6442450945, \old(Lg4_log)=6442450948, \old(Lg5_log)=6442450950, \old(Lg6_log)=6442450959, \old(Lg7_log)=6442450958, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450952, \old(two25_log)=6442450957, \old(zero_log)=6442450954, 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, two25_log=33554432, zero_log=0] [L119] float x = 0.0f / 0.0f; VAL [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, two25_log=33554432, zero_log=0] [L120] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=6442450951, 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, two25_log=33554432, zero_log=0] [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [\old(x)=6442450951, 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, two25_log=33554432, x=6442450951, zero_log=0] [L37] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450951, gf_u={6442450955:0}, 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, two25_log=33554432, x=6442450951, zero_log=0] [L38] FCALL gf_u.value = (x) VAL [\old(x)=6442450951, gf_u={6442450955:0}, 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, two25_log=33554432, x=6442450951, zero_log=0] [L39] EXPR, FCALL gf_u.word VAL [\old(x)=6442450951, gf_u={6442450955:0}, gf_u.word=6442450944, 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, two25_log=33554432, x=6442450951, zero_log=0] [L39] (ix) = gf_u.word VAL [(ix) = gf_u.word=6442450956, \old(x)=6442450951, gf_u={6442450955:0}, gf_u.word=6442450944, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6442450951, zero_log=0] [L40] COND FALSE !(0) VAL [\old(x)=6442450951, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6442450951, zero_log=0] [L42] k = 0 VAL [\old(x)=6442450951, ix=-2147483648, 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, two25_log=33554432, x=6442450951, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] RET return -two25_log / zero_log; VAL [\old(x)=6442450951, ix=-2147483648, 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, two25_log=33554432, x=6442450951, zero_log=0] [L120] EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=6442450949, 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, two25_log=33554432, x=6442450951, zero_log=0] [L120] float res = __ieee754_logf(x); [L123] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, 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, two25_log=33554432, zero_log=0] [L111] RET return x != x; VAL [\old(x)=6442450949, \result=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, two25_log=33554432, x=6442450949, zero_log=0] [L123] EXPR isnan_float(res) VAL [isnan_float(res)=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, res=6442450949, two25_log=33554432, x=6442450951, zero_log=0] [L123] COND TRUE !isnan_float(res) [L124] __VERIFIER_error() VAL [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, res=6442450949, two25_log=33554432, x=6442450951, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 81 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 0.1.23-1dbac8b [2018-11-10 05:49:07,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:49:07,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:49:07,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:49:07,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:49:07,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:49:07,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:49:07,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:49:07,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:49:07,423 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:49:07,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:49:07,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:49:07,424 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:49:07,425 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:49:07,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:49:07,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:49:07,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:49:07,428 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:49:07,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:49:07,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:49:07,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:49:07,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:49:07,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:49:07,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:49:07,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:49:07,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:49:07,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:49:07,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:49:07,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:49:07,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:49:07,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:49:07,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:49:07,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:49:07,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:49:07,439 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:49:07,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:49:07,440 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 05:49:07,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:49:07,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:49:07,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:49:07,452 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:49:07,452 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:49:07,452 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:49:07,452 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:49:07,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:49:07,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:49:07,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:49:07,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:49:07,455 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:49:07,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:49:07,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:49:07,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:49:07,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:49:07,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:49:07,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:49:07,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:49:07,456 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer 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 -> 86466cf5e99320b887fae6f726f2af775c2eaef8 [2018-11-10 05:49:07,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:49:07,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:49:07,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:49:07,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:49:07,501 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:49:07,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c [2018-11-10 05:49:07,537 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/fecee4bec/dc6b3242610e4f988d2b14539c48ef01/FLAG1ad3ee1e5 [2018-11-10 05:49:07,859 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:49:07,859 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/sv-benchmarks/c/float-newlib/float_req_bl_0921_true-unreach-call.c [2018-11-10 05:49:07,863 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/fecee4bec/dc6b3242610e4f988d2b14539c48ef01/FLAG1ad3ee1e5 [2018-11-10 05:49:07,875 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/data/fecee4bec/dc6b3242610e4f988d2b14539c48ef01 [2018-11-10 05:49:07,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:49:07,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:49:07,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:49:07,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:49:07,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:49:07,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:49:07" (1/1) ... [2018-11-10 05:49:07,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69eb368e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:07, skipping insertion in model container [2018-11-10 05:49:07,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:49:07" (1/1) ... [2018-11-10 05:49:07,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:49:07,909 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:49:08,043 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:49:08,048 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:49:08,081 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:49:08,100 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:49:08,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08 WrapperNode [2018-11-10 05:49:08,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:49:08,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:49:08,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:49:08,101 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:49:08,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... [2018-11-10 05:49:08,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:49:08,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:49:08,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:49:08,141 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:49:08,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:49:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:49:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 05:49:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 05:49:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 05:49:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 05:49:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 05:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 05:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 05:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 05:49:08,349 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:49:08,358 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:49:20,252 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:49:20,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:49:21,186 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:49:21,191 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:49:21,287 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:49:21,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:21 BoogieIcfgContainer [2018-11-10 05:49:21,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:49:21,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:49:21,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:49:21,290 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:49:21,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:49:07" (1/3) ... [2018-11-10 05:49:21,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611d1a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:49:21, skipping insertion in model container [2018-11-10 05:49:21,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:08" (2/3) ... [2018-11-10 05:49:21,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611d1a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:49:21, skipping insertion in model container [2018-11-10 05:49:21,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:21" (3/3) ... [2018-11-10 05:49:21,293 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0921_true-unreach-call.c [2018-11-10 05:49:21,298 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:49:21,303 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:49:21,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:49:21,333 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:49:21,334 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:49:21,334 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:49:21,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:49:21,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:49:21,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:49:21,334 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:49:21,334 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:49:21,334 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:49:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-11-10 05:49:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:49:21,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:21,350 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:21,352 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:21,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:21,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1277566486, now seen corresponding path program 1 times [2018-11-10 05:49:21,358 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:49:21,358 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:21,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:21,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:49:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:21,615 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:49:21,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:21,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:21,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 05:49:21,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 05:49:21,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:49:21,637 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-11-10 05:49:21,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:21,653 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2018-11-10 05:49:21,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:49:21,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-10 05:49:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:21,661 INFO L225 Difference]: With dead ends: 124 [2018-11-10 05:49:21,661 INFO L226 Difference]: Without dead ends: 62 [2018-11-10 05:49:21,664 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:49:21,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-10 05:49:21,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-10 05:49:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-10 05:49:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-11-10 05:49:21,690 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 20 [2018-11-10 05:49:21,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:21,690 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-11-10 05:49:21,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 05:49:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-11-10 05:49:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 05:49:21,691 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:21,692 INFO L375 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] [2018-11-10 05:49:21,692 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:21,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:21,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1730013961, now seen corresponding path program 1 times [2018-11-10 05:49:21,693 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:49:21,693 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:21,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:21,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:49:21,931 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 [2018-11-10 05:49:21,933 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 [2018-11-10 05:49:21,934 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 05:49:21,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:21,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:21,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 05:49:21,963 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 [2018-11-10 05:49:21,966 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 [2018-11-10 05:49:21,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 05:49:21,969 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:21,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:21,971 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 05:49:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:22,052 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:49:22,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:22,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 05:49:22,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 05:49:22,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 05:49:22,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 05:49:22,067 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 8 states. [2018-11-10 05:49:25,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:25,722 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2018-11-10 05:49:25,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 05:49:25,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-11-10 05:49:25,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:25,726 INFO L225 Difference]: With dead ends: 80 [2018-11-10 05:49:25,726 INFO L226 Difference]: Without dead ends: 70 [2018-11-10 05:49:25,727 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-10 05:49:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-10 05:49:25,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2018-11-10 05:49:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-10 05:49:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2018-11-10 05:49:25,734 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 29 [2018-11-10 05:49:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:25,735 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2018-11-10 05:49:25,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 05:49:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-11-10 05:49:25,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 05:49:25,736 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:25,736 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:25,736 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:25,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:25,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1482119536, now seen corresponding path program 1 times [2018-11-10 05:49:25,737 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:49:25,737 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:25,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:25,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:49:27,455 WARN L179 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 05:49:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:27,577 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:49:27,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:27,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 05:49:27,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 05:49:27,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 05:49:27,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-10 05:49:27,587 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 10 states. [2018-11-10 05:49:28,830 WARN L179 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 05:49:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:43,352 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2018-11-10 05:49:43,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 05:49:43,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-11-10 05:49:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:43,353 INFO L225 Difference]: With dead ends: 77 [2018-11-10 05:49:43,354 INFO L226 Difference]: Without dead ends: 70 [2018-11-10 05:49:43,354 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-11-10 05:49:43,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-10 05:49:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2018-11-10 05:49:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-10 05:49:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2018-11-10 05:49:43,363 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 30 [2018-11-10 05:49:43,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:43,363 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2018-11-10 05:49:43,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 05:49:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-11-10 05:49:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 05:49:43,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:43,364 INFO L375 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] [2018-11-10 05:49:43,364 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:43,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:43,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1234903141, now seen corresponding path program 1 times [2018-11-10 05:49:43,365 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:49:43,365 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:43,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:43,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:49:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:43,851 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:49:43,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:43,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 05:49:43,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 05:49:43,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 05:49:43,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 05:49:43,860 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 9 states. [2018-11-10 05:49:44,241 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 05:49:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:55,072 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2018-11-10 05:49:55,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 05:49:55,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-11-10 05:49:55,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:55,074 INFO L225 Difference]: With dead ends: 75 [2018-11-10 05:49:55,074 INFO L226 Difference]: Without dead ends: 68 [2018-11-10 05:49:55,074 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 05:49:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-10 05:49:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2018-11-10 05:49:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-10 05:49:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2018-11-10 05:49:55,078 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 31 [2018-11-10 05:49:55,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:55,079 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2018-11-10 05:49:55,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 05:49:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2018-11-10 05:49:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 05:49:55,080 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:55,080 INFO L375 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] [2018-11-10 05:49:55,080 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:49:55,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:55,080 INFO L82 PathProgramCache]: Analyzing trace with hash 172710343, now seen corresponding path program 1 times [2018-11-10 05:49:55,081 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:49:55,081 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/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 [2018-11-10 05:49:55,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:55,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:49:55,961 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 [2018-11-10 05:49:55,963 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 [2018-11-10 05:49:55,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 05:49:55,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:55,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:55,972 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 05:49:55,984 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 [2018-11-10 05:49:55,986 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 [2018-11-10 05:49:55,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 05:49:55,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:55,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 05:49:55,990 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 05:49:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:56,077 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:49:56,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:56,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 05:49:56,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 05:49:56,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 05:49:56,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-10 05:49:56,093 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand 9 states. [2018-11-10 05:50:00,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:50:00,976 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-11-10 05:50:00,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 05:50:00,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-11-10 05:50:00,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:50:00,978 INFO L225 Difference]: With dead ends: 68 [2018-11-10 05:50:00,978 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:50:00,978 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2018-11-10 05:50:00,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:50:00,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:50:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:50:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:50:00,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-11-10 05:50:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:50:00,979 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:50:00,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 05:50:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:50:00,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:50:00,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:50:01,177 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 111) no Hoare annotation was computed. [2018-11-10 05:50:01,177 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 111) the Hoare annotation is: true [2018-11-10 05:50:01,177 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 111) no Hoare annotation was computed. [2018-11-10 05:50:01,177 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point isinf_floatENTRY(lines 13 22) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-11-10 05:50:01,178 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-11-10 05:50:01,179 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 13 22) no Hoare annotation was computed. [2018-11-10 05:50:01,179 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 13 22) no Hoare annotation was computed. [2018-11-10 05:50:01,179 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:50:01,179 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:50:01,179 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:50:01,179 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2018-11-10 05:50:01,179 INFO L421 ceAbstractionStarter]: At program point L52-3(lines 52 56) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (bvslt __ieee754_logf_~ix~1 (_ bv2139095040 32)) (not (bvslt __ieee754_logf_~ix~1 (_ bv0 32))))))) [2018-11-10 05:50:01,179 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 76) no Hoare annotation was computed. [2018-11-10 05:50:01,180 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-11-10 05:50:01,180 INFO L421 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (or (= __ieee754_logf_~x |__ieee754_logf_#in~x|) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-11-10 05:50:01,180 INFO L425 ceAbstractionStarter]: For program point L36-4(lines 36 40) no Hoare annotation was computed. [2018-11-10 05:50:01,180 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2018-11-10 05:50:01,180 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 32 108) the Hoare annotation is: true [2018-11-10 05:50:01,180 INFO L421 ceAbstractionStarter]: At program point L61-3(lines 61 65) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (bvslt __ieee754_logf_~ix~1 (_ bv2139095040 32)) (not (bvslt __ieee754_logf_~ix~1 (_ bv0 32)))))) [2018-11-10 05:50:01,180 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 32 108) no Hoare annotation was computed. [2018-11-10 05:50:01,180 INFO L425 ceAbstractionStarter]: For program point L61-4(lines 61 65) no Hoare annotation was computed. [2018-11-10 05:50:01,180 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L53-3(line 53) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 83) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-11-10 05:50:01,181 INFO L425 ceAbstractionStarter]: For program point L37-2(line 37) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L37-3(line 37) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 107) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L62-3(line 62) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 05:50:01,182 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L55-2(line 55) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 101) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-11-10 05:50:01,183 INFO L425 ceAbstractionStarter]: For program point L64-2(line 64) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 57) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 32 108) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 84) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:50:01,184 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0) [2018-11-10 05:50:01,184 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:50:01,184 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:50:01,185 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-10 05:50:01,185 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 113 129) the Hoare annotation is: true [2018-11-10 05:50:01,185 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 113 129) no Hoare annotation was computed. [2018-11-10 05:50:01,185 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-10 05:50:01,185 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add RNE .cse0 .cse0)) (= .cse0 main_~x~0)))) [2018-11-10 05:50:01,185 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 126) no Hoare annotation was computed. [2018-11-10 05:50:01,185 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 113 129) no Hoare annotation was computed. [2018-11-10 05:50:01,185 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0)) [2018-11-10 05:50:01,185 INFO L425 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2018-11-10 05:50:01,191 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,196 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,198 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,198 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,198 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,200 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,200 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,200 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,200 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,201 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,201 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:50:01 BoogieIcfgContainer [2018-11-10 05:50:01,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:50:01,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:50:01,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:50:01,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:50:01,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:21" (3/4) ... [2018-11-10 05:50:01,206 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:50:01,211 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 05:50:01,211 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:50:01,211 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 05:50:01,212 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-11-10 05:50:01,212 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:50:01,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-11-10 05:50:01,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 05:50:01,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:50:01,216 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:50:01,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) [2018-11-10 05:50:01,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: (~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && ~bvslt32(__ieee754_logf_~ix~1, 2139095040bv32)) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32))) [2018-11-10 05:50:01,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: (~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && ~bvslt32(__ieee754_logf_~ix~1, 2139095040bv32)) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) [2018-11-10 05:50:01,251 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ff19144-5572-4e99-81b1-5e9c4684466e/bin-2019/uautomizer/witness.graphml [2018-11-10 05:50:01,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:50:01,252 INFO L168 Benchmark]: Toolchain (without parser) took 53375.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.8 MB in the beginning and 809.8 MB in the end (delta: 141.0 MB). Peak memory consumption was 273.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:50:01,253 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:50:01,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.44 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:50:01,253 INFO L168 Benchmark]: Boogie Preprocessor took 39.80 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:50:01,254 INFO L168 Benchmark]: RCFGBuilder took 13147.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:50:01,254 INFO L168 Benchmark]: TraceAbstraction took 39913.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.8 MB in the end (delta: 274.3 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:50:01,254 INFO L168 Benchmark]: Witness Printer took 48.99 ms. Allocated memory is still 1.2 GB. Free memory is still 809.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:50:01,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 222.44 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.80 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13147.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39913.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.8 MB in the end (delta: 274.3 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.99 ms. Allocated memory is still 1.2 GB. Free memory is still 809.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,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_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,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_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: 61]: Loop Invariant [2018-11-10 05:50:01,258 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,259 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,260 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,260 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: (~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && ~bvslt32(__ieee754_logf_~ix~1, 2139095040bv32)) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) - InvariantResult [Line: 36]: Loop Invariant [2018-11-10 05:50:01,260 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,260 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: x == \old(x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) - InvariantResult [Line: 52]: Loop Invariant [2018-11-10 05:50:01,260 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,262 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:50:01,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-11-10 05:50:01,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: (~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && ~bvslt32(__ieee754_logf_~ix~1, 2139095040bv32)) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 80 locations, 1 error locations. SAFE Result, 39.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 35.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 310 SDtfs, 168 SDslu, 1362 SDs, 0 SdLazy, 334 SolverSat, 18 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 15 PreInvPairs, 21 NumberOfFragments, 119 HoareAnnotationTreeSize, 15 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 152 ConstructedInterpolants, 20 QuantifiedInterpolants, 37643 SizeOfPredicates, 23 NumberOfNonLiveVariables, 492 ConjunctsInSsa, 41 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...