./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 14218179970cdda4c2f749c75b7f78aa74dcc86b ................................................................................................................................................................................................................................................................................................................................... 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_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 14218179970cdda4c2f749c75b7f78aa74dcc86b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:51:59,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:51:59,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:51:59,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:51:59,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:51:59,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:51:59,511 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:51:59,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:51:59,513 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:51:59,514 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:51:59,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:51:59,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:51:59,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:51:59,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:51:59,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:51:59,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:51:59,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:51:59,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:51:59,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:51:59,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:51:59,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:51:59,522 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:51:59,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:51:59,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:51:59,524 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:51:59,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:51:59,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:51:59,526 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:51:59,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:51:59,527 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:51:59,527 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:51:59,528 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:51:59,528 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:51:59,528 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:51:59,529 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:51:59,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:51:59,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 12:51:59,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:51:59,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:51:59,539 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:51:59,539 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 12:51:59,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:51:59,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:51:59,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:51:59,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:51:59,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:51:59,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:51:59,542 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:51:59,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:51:59,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:51:59,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:51:59,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:51:59,542 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:51:59,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:51:59,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:51:59,543 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_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-11-18 12:51:59,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:51:59,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:51:59,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:51:59,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:51:59,576 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:51:59,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 12:51:59,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/cee2aad70/e12c8e320b434b5db8de59714391664b/FLAG1f4a685ec [2018-11-18 12:52:00,011 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:52:00,012 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 12:52:00,017 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/cee2aad70/e12c8e320b434b5db8de59714391664b/FLAG1f4a685ec [2018-11-18 12:52:00,025 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/cee2aad70/e12c8e320b434b5db8de59714391664b [2018-11-18 12:52:00,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:52:00,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:52:00,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:00,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:52:00,030 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:52:00,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efa4a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00, skipping insertion in model container [2018-11-18 12:52:00,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:52:00,053 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:52:00,184 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:00,189 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:52:00,216 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:00,231 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:52:00,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00 WrapperNode [2018-11-18 12:52:00,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:00,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:52:00,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:52:00,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:52:00,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... [2018-11-18 12:52:00,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:52:00,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:52:00,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:52:00,317 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:52:00,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:52:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:52:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 12:52:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-18 12:52:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:52:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:52:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:52:00,581 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:52:00,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:00 BoogieIcfgContainer [2018-11-18 12:52:00,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:52:00,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:52:00,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:52:00,584 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:52:00,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:52:00" (1/3) ... [2018-11-18 12:52:00,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad769cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:52:00, skipping insertion in model container [2018-11-18 12:52:00,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:00" (2/3) ... [2018-11-18 12:52:00,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad769cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:52:00, skipping insertion in model container [2018-11-18 12:52:00,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:00" (3/3) ... [2018-11-18 12:52:00,586 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-18 12:52:00,592 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:52:00,597 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:52:00,606 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:52:00,626 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:52:00,626 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:52:00,626 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:52:00,626 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:52:00,626 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:52:00,627 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:52:00,627 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:52:00,627 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:52:00,627 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:52:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-18 12:52:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:52:00,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:00,642 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] [2018-11-18 12:52:00,644 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:00,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:00,647 INFO L82 PathProgramCache]: Analyzing trace with hash 757787692, now seen corresponding path program 1 times [2018-11-18 12:52:00,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:00,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:00,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:00,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:00,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:00,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:00,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:52:00,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:52:00,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:52:00,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:52:00,769 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-18 12:52:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:00,785 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2018-11-18 12:52:00,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:52:00,786 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 12:52:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:52:00,795 INFO L225 Difference]: With dead ends: 92 [2018-11-18 12:52:00,795 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 12:52:00,797 INFO L604 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 [2018-11-18 12:52:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 12:52:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-18 12:52:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 12:52:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-11-18 12:52:00,820 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 21 [2018-11-18 12:52:00,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:52:00,821 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-11-18 12:52:00,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:52:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-11-18 12:52:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:52:00,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:00,822 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] [2018-11-18 12:52:00,822 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:00,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:00,822 INFO L82 PathProgramCache]: Analyzing trace with hash -986425926, now seen corresponding path program 1 times [2018-11-18 12:52:00,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:00,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:00,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:00,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:00,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:00,900 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:52:00,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:52:00 BoogieIcfgContainer [2018-11-18 12:52:00,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:52:00,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:52:00,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:52:00,931 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:52:00,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:00" (3/4) ... [2018-11-18 12:52:00,933 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:52:00,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:52:00,934 INFO L168 Benchmark]: Toolchain (without parser) took 907.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:52:00,935 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:52:00,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.65 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:52:00,936 INFO L168 Benchmark]: Boogie Preprocessor took 85.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -243.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:52:00,936 INFO L168 Benchmark]: RCFGBuilder took 264.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:52:00,936 INFO L168 Benchmark]: TraceAbstraction took 348.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:52:00,937 INFO L168 Benchmark]: Witness Printer took 2.92 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. [2018-11-18 12:52:00,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.65 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -243.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 264.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 348.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 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: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=6442450971, \old(halF_exp)=6442450951, \old(huge_exp)=6442450964, \old(invln2_exp)=6442450947, \old(ln2HI_exp)=6442450945, \old(ln2HI_exp)=6442450969, \old(ln2LO_exp)=6442450954, \old(ln2LO_exp)=6442450970, \old(one_exp)=6442450959, \old(P1_exp)=6442450950, \old(P2_exp)=6442450952, \old(P3_exp)=6442450956, \old(P4_exp)=6442450958, \old(P5_exp)=6442450957, \old(twom100_exp)=6442450946, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L116] float x = 0.0f / 0.0f; VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=6442450965, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=6442450965, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L42] FCALL ieee_float_shape_type gf_u; [L43] FCALL gf_u.value = (x) [L44] EXPR, FCALL gf_u.word [L44] (sx) = gf_u.word [L45] COND FALSE !(0) VAL [\old(x)=6442450965, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=6442450965, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=6442450965, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L117] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450963, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L117] float res = __ieee754_expf(x); [L120] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450963, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=6442450963, \result=0, halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450963] [L120] EXPR isnan_float(res) VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isnan_float(res)=0, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450963, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] [L120] COND TRUE !isnan_float(res) [L121] __VERIFIER_error() VAL [halF_exp={6442450949:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450955:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450963, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450965] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60 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=50occurred 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, 43 NumberOfCodeBlocks, 43 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 0.1.23-5842f4b [2018-11-18 12:52:02,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:52:02,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:52:02,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:52:02,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:52:02,355 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:52:02,356 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:52:02,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:52:02,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:52:02,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:52:02,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:52:02,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:52:02,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:52:02,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:52:02,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:52:02,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:52:02,363 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:52:02,364 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:52:02,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:52:02,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:52:02,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:52:02,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:52:02,370 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:52:02,370 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:52:02,370 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:52:02,371 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:52:02,371 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:52:02,372 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:52:02,372 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:52:02,373 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:52:02,373 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:52:02,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:52:02,374 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:52:02,374 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:52:02,374 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:52:02,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:52:02,375 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 12:52:02,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:52:02,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:52:02,385 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:52:02,385 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:52:02,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:52:02,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:52:02,386 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:52:02,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:52:02,386 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:52:02,386 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:52:02,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:52:02,388 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:52:02,388 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:52:02,388 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:52:02,388 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:52:02,388 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:52:02,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:52:02,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:52:02,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:52:02,389 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:52:02,389 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:52:02,389 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 12:52:02,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:52:02,389 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:52:02,389 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:52:02,389 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_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-11-18 12:52:02,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:52:02,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:52:02,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:52:02,431 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:52:02,431 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:52:02,432 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 12:52:02,478 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/30a03dcc0/9afd8c5d96c84d728c9a31e8cbda22d4/FLAG3feb9a64a [2018-11-18 12:52:02,872 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:52:02,873 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 12:52:02,877 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/30a03dcc0/9afd8c5d96c84d728c9a31e8cbda22d4/FLAG3feb9a64a [2018-11-18 12:52:02,886 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/data/30a03dcc0/9afd8c5d96c84d728c9a31e8cbda22d4 [2018-11-18 12:52:02,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:52:02,890 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:52:02,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:02,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:52:02,894 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:52:02,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:02" (1/1) ... [2018-11-18 12:52:02,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268030c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:02, skipping insertion in model container [2018-11-18 12:52:02,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:02" (1/1) ... [2018-11-18 12:52:02,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:52:02,924 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:52:03,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:03,075 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:52:03,103 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:03,119 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:52:03,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03 WrapperNode [2018-11-18 12:52:03,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:03,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:52:03,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:52:03,120 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:52:03,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... [2018-11-18 12:52:03,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:52:03,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:52:03,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:52:03,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:52:03,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:52:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:52:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 12:52:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-18 12:52:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:52:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 12:52:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:52:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:52:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:52:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 12:52:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:52:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 12:52:03,342 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:52:10,409 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:52:10,437 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:52:10,536 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:52:10,540 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:52:10,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:10 BoogieIcfgContainer [2018-11-18 12:52:10,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:52:10,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:52:10,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:52:10,543 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:52:10,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:52:02" (1/3) ... [2018-11-18 12:52:10,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe45b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:52:10, skipping insertion in model container [2018-11-18 12:52:10,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:03" (2/3) ... [2018-11-18 12:52:10,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe45b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:52:10, skipping insertion in model container [2018-11-18 12:52:10,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:10" (3/3) ... [2018-11-18 12:52:10,545 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-18 12:52:10,551 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:52:10,558 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:52:10,570 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:52:10,588 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:52:10,589 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:52:10,589 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:52:10,589 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:52:10,589 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:52:10,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:52:10,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:52:10,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:52:10,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:52:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-18 12:52:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:52:10,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:10,607 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] [2018-11-18 12:52:10,609 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:10,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:10,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2051554697, now seen corresponding path program 1 times [2018-11-18 12:52:10,618 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:52:10,618 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:10,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:10,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:52:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:10,729 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:52:10,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:10,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:52:10,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:52:10,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:52:10,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:52:10,754 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-18 12:52:10,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:10,767 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2018-11-18 12:52:10,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:52:10,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 12:52:10,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:52:10,774 INFO L225 Difference]: With dead ends: 90 [2018-11-18 12:52:10,775 INFO L226 Difference]: Without dead ends: 45 [2018-11-18 12:52:10,776 INFO L604 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 [2018-11-18 12:52:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-18 12:52:10,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-18 12:52:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 12:52:10,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-11-18 12:52:10,800 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 20 [2018-11-18 12:52:10,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:52:10,801 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-11-18 12:52:10,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:52:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-11-18 12:52:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:52:10,802 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:10,802 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] [2018-11-18 12:52:10,802 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:10,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:10,803 INFO L82 PathProgramCache]: Analyzing trace with hash 976172773, now seen corresponding path program 1 times [2018-11-18 12:52:10,803 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:52:10,804 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:10,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:10,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:52:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:11,386 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:52:11,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:11,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:52:11,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:52:11,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:52:11,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:52:11,405 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 9 states. [2018-11-18 12:52:11,803 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 12:52:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:22,982 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-11-18 12:52:22,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:52:22,983 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-18 12:52:22,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:52:22,985 INFO L225 Difference]: With dead ends: 56 [2018-11-18 12:52:22,985 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 12:52:22,986 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:52:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 12:52:22,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2018-11-18 12:52:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 12:52:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2018-11-18 12:52:22,995 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 21 [2018-11-18 12:52:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:52:22,996 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-11-18 12:52:22,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:52:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-11-18 12:52:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:52:22,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:22,997 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] [2018-11-18 12:52:22,997 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:22,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:22,998 INFO L82 PathProgramCache]: Analyzing trace with hash -103835391, now seen corresponding path program 1 times [2018-11-18 12:52:22,998 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:52:22,999 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:23,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:23,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:52:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:23,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:52:23,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:23,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:52:23,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:52:23,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:52:23,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:52:23,259 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 9 states. [2018-11-18 12:52:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:31,351 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-18 12:52:31,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:52:31,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-18 12:52:31,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:52:31,414 INFO L225 Difference]: With dead ends: 62 [2018-11-18 12:52:31,414 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 12:52:31,414 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:52:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 12:52:31,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-11-18 12:52:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 12:52:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-11-18 12:52:31,418 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-11-18 12:52:31,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:52:31,418 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-11-18 12:52:31,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:52:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-11-18 12:52:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:52:31,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:31,419 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] [2018-11-18 12:52:31,420 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:31,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:31,420 INFO L82 PathProgramCache]: Analyzing trace with hash -427534495, now seen corresponding path program 1 times [2018-11-18 12:52:31,420 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:52:31,420 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:31,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:32,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:52:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:32,238 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:52:32,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:32,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:52:32,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:52:32,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:52:32,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:52:32,256 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 7 states. [2018-11-18 12:52:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:40,413 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-11-18 12:52:40,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:52:40,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-18 12:52:40,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:52:40,478 INFO L225 Difference]: With dead ends: 68 [2018-11-18 12:52:40,478 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 12:52:40,478 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:52:40,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 12:52:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-18 12:52:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 12:52:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-11-18 12:52:40,482 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 28 [2018-11-18 12:52:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:52:40,482 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-11-18 12:52:40,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:52:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-18 12:52:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:52:40,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:40,483 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] [2018-11-18 12:52:40,483 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:40,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:40,484 INFO L82 PathProgramCache]: Analyzing trace with hash 736807190, now seen corresponding path program 1 times [2018-11-18 12:52:40,484 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:52:40,484 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/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 [2018-11-18 12:52:40,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:41,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:52:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:41,313 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:52:41,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:41,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:52:41,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:52:41,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:52:41,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:52:41,327 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-11-18 12:52:54,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:54,970 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-11-18 12:52:55,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:52:55,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-18 12:52:55,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:52:55,032 INFO L225 Difference]: With dead ends: 65 [2018-11-18 12:52:55,033 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 12:52:55,033 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:52:55,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 12:52:55,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-18 12:52:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 12:52:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-11-18 12:52:55,036 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2018-11-18 12:52:55,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:52:55,036 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-11-18 12:52:55,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:52:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-11-18 12:52:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:52:55,037 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:52:55,037 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] [2018-11-18 12:52:55,037 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:52:55,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:55,037 INFO L82 PathProgramCache]: Analyzing trace with hash 150001176, now seen corresponding path program 1 times [2018-11-18 12:52:55,037 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:52:55,038 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 12:52:55,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:56,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:52:56,206 INFO L303 Elim1Store]: Index analysis took 164 ms [2018-11-18 12:52:56,209 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 27 treesize of output 21 [2018-11-18 12:52:56,361 INFO L303 Elim1Store]: Index analysis took 150 ms [2018-11-18 12:52:56,362 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-11-18 12:52:56,362 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:52:56,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:52:57,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:52:57,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:15 [2018-11-18 12:53:02,791 WARN L180 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-18 12:53:05,037 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) is different from true [2018-11-18 12:53:07,119 WARN L832 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-11-18 12:53:09,179 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-11-18 12:53:13,067 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 12:53:19,216 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 12:53:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:53:25,684 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:53:25,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:25,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 12:53:25,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:53:25,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:53:25,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=8, NotChecked=30, Total=110 [2018-11-18 12:53:25,704 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 11 states. [2018-11-18 12:53:35,612 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= c___ieee754_expf_~hi~0 (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))))) is different from true [2018-11-18 12:53:46,041 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 32 [2018-11-18 12:53:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:52,186 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-11-18 12:53:52,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:53:52,187 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-11-18 12:53:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:52,188 INFO L225 Difference]: With dead ends: 48 [2018-11-18 12:53:52,188 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 12:53:52,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.3s TimeCoverageRelationStatistics Valid=25, Invalid=67, Unknown=10, NotChecked=54, Total=156 [2018-11-18 12:53:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 12:53:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-18 12:53:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 12:53:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-11-18 12:53:52,193 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 29 [2018-11-18 12:53:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:52,194 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-11-18 12:53:52,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:53:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-11-18 12:53:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:53:52,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:52,195 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] [2018-11-18 12:53:52,195 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:52,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:52,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1455531077, now seen corresponding path program 1 times [2018-11-18 12:53:52,196 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:53:52,196 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 12:53:52,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:53,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:53,726 INFO L303 Elim1Store]: Index analysis took 486 ms [2018-11-18 12:53:53,727 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 41 treesize of output 35 [2018-11-18 12:53:53,947 INFO L303 Elim1Store]: Index analysis took 219 ms [2018-11-18 12:53:53,948 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2018-11-18 12:53:53,949 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:53:55,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:53:57,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:53:57,098 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2018-11-18 12:54:00,362 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_4 (_ BitVec 32))) (= c___ieee754_expf_~k~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven c_~invln2_exp~0 |c___ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))) is different from true [2018-11-18 12:54:06,823 WARN L180 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 12:54:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:54:06,835 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:54:06,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:54:06,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:54:06,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:54:06,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:54:06,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2018-11-18 12:54:06,854 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 6 states. [2018-11-18 12:54:40,912 WARN L180 SmtUtils]: Spent 4.73 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 12:54:44,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:44,868 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-11-18 12:54:44,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:54:44,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-11-18 12:54:44,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:44,891 INFO L225 Difference]: With dead ends: 41 [2018-11-18 12:54:44,891 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:54:44,891 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=13, Invalid=18, Unknown=3, NotChecked=8, Total=42 [2018-11-18 12:54:44,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:54:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:54:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:54:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:54:44,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-11-18 12:54:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:44,892 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:54:44,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:54:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:54:44,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:54:44,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:55:15,099 WARN L180 SmtUtils]: Spent 30.15 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-18 12:55:45,879 WARN L180 SmtUtils]: Spent 30.78 s on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-18 12:56:17,282 WARN L180 SmtUtils]: Spent 31.39 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-18 12:56:17,289 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-18 12:56:17,290 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-18 12:56:17,291 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-18 12:56:17,292 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-11-18 12:56:17,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:56:17,292 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:56:17,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:56:17,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:56:17,292 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:56:17,292 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:56:17,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:56:17,293 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-11-18 12:56:17,293 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-11-18 12:56:17,293 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:56:17,293 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-11-18 12:56:17,293 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (let ((.cse0 (= main_~x~0 .cse1))) (or (and (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) .cse0) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse1 .cse1)) .cse0)))) [2018-11-18 12:56:17,293 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-18 12:56:17,294 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-11-18 12:56:17,294 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-18 12:56:17,294 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-18 12:56:17,300 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,307 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,307 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,307 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,315 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,316 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,316 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,316 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,322 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,323 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,323 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,323 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,323 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,323 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,324 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,324 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,324 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,324 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,324 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,324 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,325 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,325 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,325 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,325 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,325 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,326 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,326 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,326 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,329 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,329 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,329 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:56:17 BoogieIcfgContainer [2018-11-18 12:56:17,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:56:17,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:56:17,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:56:17,332 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:56:17,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:10" (3/4) ... [2018-11-18 12:56:17,339 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:56:17,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 12:56:17,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-18 12:56:17,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:56:17,347 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:56:17,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 12:56:17,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:56:17,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 12:56:17,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:56:17,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:56:17,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 12:56:17,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-11-18 12:56:17,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-11-18 12:56:17,398 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c729040c-b129-40e7-abe3-3bfbd92edb1c/bin-2019/uautomizer/witness.graphml [2018-11-18 12:56:17,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:56:17,399 INFO L168 Benchmark]: Toolchain (without parser) took 254509.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:56:17,400 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-18 12:56:17,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.15 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:17,400 INFO L168 Benchmark]: Boogie Preprocessor took 71.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:17,401 INFO L168 Benchmark]: RCFGBuilder took 7349.14 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:17,401 INFO L168 Benchmark]: TraceAbstraction took 246790.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.2 MB). Peak memory consumption was 288.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:17,401 INFO L168 Benchmark]: Witness Printer took 66.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:17,406 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 229.15 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7349.14 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 246790.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.2 MB). Peak memory consumption was 288.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: 97]: Loop Invariant [2018-11-18 12:56:17,411 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,411 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,412 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,412 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,412 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,412 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,412 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,412 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,413 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,414 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,414 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,414 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,415 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,415 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,415 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,415 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,415 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,415 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,416 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,416 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,416 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,416 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,416 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,416 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,417 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,417 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,417 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,417 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,417 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,417 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-11-18 12:56:17,418 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,418 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,418 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,419 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,419 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,419 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,419 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,419 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,419 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,420 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,420 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,420 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,420 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,420 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,420 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,421 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,421 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,421 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,421 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,422 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,422 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,422 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,422 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,422 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,422 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 12:56:17,423 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,424 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 12:56:17,424 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,424 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 12:56:17,424 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 246.7s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 106.2s AutomataDifference, 0.0s DeadEndRemovalTime, 92.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 233 SDslu, 1033 SDs, 0 SdLazy, 274 SolverSat, 7 SolverUnsat, 36 SolverUnknown, 0 SolverNotchecked, 85.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 53.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 27 NumberOfFragments, 219 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 92.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 44.3s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 178 ConstructedInterpolants, 41 QuantifiedInterpolants, 36040 SizeOfPredicates, 33 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...