./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 6017db04fd0c3d76a17184976602c114f74dffa4 ......................................................................................................................................................................................................................................................................................................................... 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_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 6017db04fd0c3d76a17184976602c114f74dffa4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:46:52,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:46:52,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:46:52,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:46:52,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:46:52,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:46:52,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:46:52,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:46:52,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:46:52,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:46:52,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:46:52,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:46:52,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:46:52,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:46:52,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:46:52,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:46:52,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:46:52,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:46:52,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:46:52,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:46:52,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:46:52,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:46:52,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:46:52,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:46:52,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:46:52,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:46:52,472 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:46:52,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:46:52,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:46:52,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:46:52,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:46:52,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:46:52,475 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:46:52,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:46:52,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:46:52,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:46:52,477 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 23:46:52,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:46:52,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:46:52,491 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:46:52,492 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:46:52,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:46:52,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:46:52,492 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:46:52,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:46:52,493 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:46:52,493 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:46:52,493 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:46:52,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:46:52,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:46:52,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:46:52,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:46:52,494 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:46:52,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:46:52,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:46:52,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:46:52,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:46:52,494 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:46:52,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:46:52,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:46:52,496 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_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2018-10-26 23:46:52,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:46:52,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:46:52,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:46:52,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:46:52,551 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:46:52,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-10-26 23:46:52,608 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/4cf0e83e5/5196d731ee98450aaa25e229c85014aa/FLAG1d5c22503 [2018-10-26 23:46:52,978 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:46:52,979 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-10-26 23:46:52,988 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/4cf0e83e5/5196d731ee98450aaa25e229c85014aa/FLAG1d5c22503 [2018-10-26 23:46:53,001 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/4cf0e83e5/5196d731ee98450aaa25e229c85014aa [2018-10-26 23:46:53,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:46:53,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:46:53,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:46:53,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:46:53,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:46:53,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbe7040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53, skipping insertion in model container [2018-10-26 23:46:53,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:46:53,049 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:46:53,210 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:46:53,214 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:46:53,251 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:46:53,270 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:46:53,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53 WrapperNode [2018-10-26 23:46:53,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:46:53,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:46:53,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:46:53,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:46:53,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... [2018-10-26 23:46:53,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:46:53,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:46:53,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:46:53,317 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:46:53,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 [2018-10-26 23:46:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:46:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:46:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-10-26 23:46:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-10-26 23:46:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 23:46:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:46:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 23:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-10-26 23:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 23:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 23:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-26 23:46:54,073 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:46:54,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:46:54 BoogieIcfgContainer [2018-10-26 23:46:54,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:46:54,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:46:54,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:46:54,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:46:54,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:46:53" (1/3) ... [2018-10-26 23:46:54,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6a41a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:46:54, skipping insertion in model container [2018-10-26 23:46:54,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:53" (2/3) ... [2018-10-26 23:46:54,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6a41a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:46:54, skipping insertion in model container [2018-10-26 23:46:54,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:46:54" (3/3) ... [2018-10-26 23:46:54,082 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971_true-unreach-call.c [2018-10-26 23:46:54,091 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:46:54,099 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:46:54,113 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:46:54,141 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:46:54,142 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:46:54,142 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:46:54,142 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:46:54,142 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:46:54,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:46:54,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:46:54,142 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:46:54,143 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:46:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-10-26 23:46:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:46:54,167 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:46:54,168 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] [2018-10-26 23:46:54,170 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:46:54,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:46:54,176 INFO L82 PathProgramCache]: Analyzing trace with hash -939730018, now seen corresponding path program 1 times [2018-10-26 23:46:54,178 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:46:54,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:46:54,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:54,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:46:54,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:54,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:46:54,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:46:54,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:46:54,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:46:54,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:46:54,355 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-10-26 23:46:54,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:46:54,383 INFO L93 Difference]: Finished difference Result 208 states and 263 transitions. [2018-10-26 23:46:54,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:46:54,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-10-26 23:46:54,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:46:54,394 INFO L225 Difference]: With dead ends: 208 [2018-10-26 23:46:54,394 INFO L226 Difference]: Without dead ends: 104 [2018-10-26 23:46:54,398 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:46:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-10-26 23:46:54,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-10-26 23:46:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-10-26 23:46:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2018-10-26 23:46:54,440 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 21 [2018-10-26 23:46:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:46:54,440 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2018-10-26 23:46:54,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:46:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2018-10-26 23:46:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:54,442 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:46:54,442 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:46:54,442 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:46:54,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:46:54,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1979325046, now seen corresponding path program 1 times [2018-10-26 23:46:54,443 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:46:54,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:46:54,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:54,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:46:54,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:46:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:46:54,538 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:46:54,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:46:54 BoogieIcfgContainer [2018-10-26 23:46:54,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:46:54,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:46:54,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:46:54,589 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:46:54,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:46:54" (3/4) ... [2018-10-26 23:46:54,593 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:46:54,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:46:54,594 INFO L168 Benchmark]: Toolchain (without parser) took 1588.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -109.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:46:54,595 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-26 23:46:54,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:46:54,596 INFO L168 Benchmark]: Boogie Preprocessor took 45.62 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:46:54,597 INFO L168 Benchmark]: RCFGBuilder took 756.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:46:54,598 INFO L168 Benchmark]: TraceAbstraction took 514.13 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:46:54,598 INFO L168 Benchmark]: Witness Printer took 4.64 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. [2018-10-26 23:46:54,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 263.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.62 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 756.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 514.13 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.64 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: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450947, \old(Lg1_log)=6442450963, \old(Lg2_log)=6442450966, \old(Lg3_log)=6442450946, \old(Lg4_log)=6442450951, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450961, \old(Lg7_log)=6442450958, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450953, \old(log10_2hi_log10)=6442450956, \old(log10_2lo_log10)=6442450960, \old(two25_log)=6442450957, \old(two25_log10)=6442450959, \old(zero)=6442450964, \old(zero_log)=6442450955, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450962, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L105] float y, z; [L106] __int32_t i, k, hx; VAL [\old(x)=6442450962, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L109] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450962, gf_u={6442450965:0}, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L110] FCALL gf_u.value = (x) VAL [\old(x)=6442450962, gf_u={6442450965:0}, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L111] EXPR, FCALL gf_u.word VAL [\old(x)=6442450962, gf_u={6442450965:0}, gf_u.word=6442450944, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L111] (hx) = gf_u.word [L112] COND FALSE !(0) VAL [\old(x)=6442450962, hx=-2147483648, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L114] k = 0 VAL [\old(x)=6442450962, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] RET return -two25_log10 / zero; VAL [\old(x)=6442450962, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L154] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450945, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L157] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450945, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L144] RET return x != x; VAL [\old(x)=6442450945, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450945, zero=0, zero_log=0] [L157] EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450945, two25_log=33554432, two25_log10=33554432, x=6442450962, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 108 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 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=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:46:56,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:46:56,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:46:56,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:46:56,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:46:56,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:46:56,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:46:56,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:46:56,525 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:46:56,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:46:56,526 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:46:56,526 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:46:56,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:46:56,528 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:46:56,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:46:56,529 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:46:56,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:46:56,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:46:56,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:46:56,534 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:46:56,534 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:46:56,535 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:46:56,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:46:56,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:46:56,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:46:56,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:46:56,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:46:56,539 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:46:56,540 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:46:56,541 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:46:56,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:46:56,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:46:56,542 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:46:56,542 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:46:56,543 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:46:56,543 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:46:56,544 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 23:46:56,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:46:56,555 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:46:56,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:46:56,556 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:46:56,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:46:56,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:46:56,556 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:46:56,557 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:46:56,557 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:46:56,557 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:46:56,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:46:56,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:46:56,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:46:56,558 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:46:56,558 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:46:56,558 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:46:56,558 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:46:56,558 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:46:56,558 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:46:56,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:46:56,559 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:46:56,559 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:46:56,559 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:46:56,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:46:56,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:46:56,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:46:56,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:46:56,560 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 23:46:56,560 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:46:56,560 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:46:56,560 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:46:56,560 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_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2018-10-26 23:46:56,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:46:56,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:46:56,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:46:56,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:46:56,606 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:46:56,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-10-26 23:46:56,649 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/752550083/f5be9b99e5ee4f2fba14755fa95678bd/FLAG54aac34bf [2018-10-26 23:46:57,029 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:46:57,030 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-10-26 23:46:57,036 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/752550083/f5be9b99e5ee4f2fba14755fa95678bd/FLAG54aac34bf [2018-10-26 23:46:57,047 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/data/752550083/f5be9b99e5ee4f2fba14755fa95678bd [2018-10-26 23:46:57,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:46:57,052 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:46:57,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:46:57,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:46:57,056 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:46:57,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae8abcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57, skipping insertion in model container [2018-10-26 23:46:57,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:46:57,093 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:46:57,307 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:46:57,312 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:46:57,355 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:46:57,378 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:46:57,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57 WrapperNode [2018-10-26 23:46:57,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:46:57,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:46:57,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:46:57,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:46:57,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... [2018-10-26 23:46:57,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:46:57,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:46:57,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:46:57,439 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:46:57,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 [2018-10-26 23:46:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:46:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:46:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-10-26 23:46:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-10-26 23:46:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 23:46:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:46:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:46:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-10-26 23:46:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:46:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:46:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:46:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:46:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-26 23:46:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-26 23:46:57,932 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:46:57,946 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:46:59,752 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:46:59,769 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:47:09,519 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:47:09,533 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:47:10,080 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:47:10,097 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:47:12,410 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:47:12,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:47:12 BoogieIcfgContainer [2018-10-26 23:47:12,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:47:12,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:47:12,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:47:12,415 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:47:12,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:46:57" (1/3) ... [2018-10-26 23:47:12,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7585a428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:47:12, skipping insertion in model container [2018-10-26 23:47:12,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:57" (2/3) ... [2018-10-26 23:47:12,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7585a428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:47:12, skipping insertion in model container [2018-10-26 23:47:12,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:47:12" (3/3) ... [2018-10-26 23:47:12,419 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971_true-unreach-call.c [2018-10-26 23:47:12,427 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:47:12,433 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:47:12,443 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:47:12,466 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:47:12,467 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:47:12,467 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:47:12,467 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:47:12,467 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:47:12,467 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:47:12,467 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:47:12,468 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:47:12,468 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:47:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-10-26 23:47:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:47:12,488 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:12,489 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] [2018-10-26 23:47:12,491 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:12,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:12,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1720378954, now seen corresponding path program 1 times [2018-10-26 23:47:12,500 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:47:12,501 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 23:47:12,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 23:47:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:12,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:47:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:12,779 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:47:12,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:12,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:47:12,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:47:12,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:47:12,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:47:12,803 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-10-26 23:47:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:12,829 INFO L93 Difference]: Finished difference Result 206 states and 261 transitions. [2018-10-26 23:47:12,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:47:12,830 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-10-26 23:47:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:12,840 INFO L225 Difference]: With dead ends: 206 [2018-10-26 23:47:12,840 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 23:47:12,843 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:47:12,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 23:47:12,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-26 23:47:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 23:47:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-10-26 23:47:12,879 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 20 [2018-10-26 23:47:12,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:12,880 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-10-26 23:47:12,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:47:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-10-26 23:47:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:47:12,881 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:12,881 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] [2018-10-26 23:47:12,882 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:12,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:12,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1235805169, now seen corresponding path program 1 times [2018-10-26 23:47:12,884 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:47:12,884 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 [2018-10-26 23:47:12,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:47:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:13,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:47:13,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 23:47:13,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 23:47:13,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:47:13,254 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:13,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:13,268 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 23:47:13,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-26 23:47:13,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-26 23:47:13,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:47:13,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:13,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:13,323 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 23:47:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:13,426 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:47:13,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:13,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 23:47:13,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 23:47:13,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 23:47:13,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:47:13,444 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 8 states. [2018-10-26 23:47:17,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:17,307 INFO L93 Difference]: Finished difference Result 121 states and 134 transitions. [2018-10-26 23:47:17,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 23:47:17,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-10-26 23:47:17,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:17,312 INFO L225 Difference]: With dead ends: 121 [2018-10-26 23:47:17,312 INFO L226 Difference]: Without dead ends: 111 [2018-10-26 23:47:17,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-26 23:47:17,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-26 23:47:17,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2018-10-26 23:47:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 23:47:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2018-10-26 23:47:17,325 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 29 [2018-10-26 23:47:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:17,325 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2018-10-26 23:47:17,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 23:47:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2018-10-26 23:47:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:47:17,326 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:17,326 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:47:17,327 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:17,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:17,327 INFO L82 PathProgramCache]: Analyzing trace with hash -92564816, now seen corresponding path program 1 times [2018-10-26 23:47:17,327 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:47:17,328 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 23:47:17,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 23:47:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:17,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:47:18,762 WARN L179 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 23:47:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:18,938 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:47:18,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:18,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 23:47:18,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 23:47:18,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 23:47:18,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:47:18,962 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 10 states. [2018-10-26 23:47:20,235 WARN L179 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:47:20,921 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 23:47:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:23,501 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2018-10-26 23:47:23,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 23:47:23,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-10-26 23:47:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:23,503 INFO L225 Difference]: With dead ends: 118 [2018-10-26 23:47:23,504 INFO L226 Difference]: Without dead ends: 111 [2018-10-26 23:47:23,504 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-10-26 23:47:23,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-26 23:47:23,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2018-10-26 23:47:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 23:47:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2018-10-26 23:47:23,517 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 30 [2018-10-26 23:47:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:23,518 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2018-10-26 23:47:23,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 23:47:23,518 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2018-10-26 23:47:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:47:23,519 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:23,519 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:47:23,519 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:23,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:23,519 INFO L82 PathProgramCache]: Analyzing trace with hash 202093739, now seen corresponding path program 1 times [2018-10-26 23:47:23,520 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:47:23,520 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 [2018-10-26 23:47:23,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:47:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:23,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:47:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:24,123 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:47:24,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:24,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:47:24,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:47:24,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:47:24,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:47:24,133 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand 9 states. [2018-10-26 23:47:24,591 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-26 23:47:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:27,250 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2018-10-26 23:47:27,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:47:27,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-10-26 23:47:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:27,255 INFO L225 Difference]: With dead ends: 116 [2018-10-26 23:47:27,255 INFO L226 Difference]: Without dead ends: 109 [2018-10-26 23:47:27,256 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-10-26 23:47:27,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-10-26 23:47:27,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2018-10-26 23:47:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 23:47:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions. [2018-10-26 23:47:27,269 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 31 [2018-10-26 23:47:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:27,269 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions. [2018-10-26 23:47:27,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:47:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2018-10-26 23:47:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 23:47:27,271 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:27,271 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:47:27,271 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:27,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:27,272 INFO L82 PathProgramCache]: Analyzing trace with hash -509399455, now seen corresponding path program 1 times [2018-10-26 23:47:27,272 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:47:27,274 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/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 [2018-10-26 23:47:27,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:47:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:27,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:47:27,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 23:47:27,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 23:47:27,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:47:27,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:27,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:27,792 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 23:47:27,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-10-26 23:47:27,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-26 23:47:27,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:47:27,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:27,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:47:27,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 23:47:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:27,933 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:47:27,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:27,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:47:27,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:47:27,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:47:27,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:47:27,955 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand 9 states. [2018-10-26 23:47:28,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:28,973 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2018-10-26 23:47:28,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 23:47:28,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-10-26 23:47:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:28,977 INFO L225 Difference]: With dead ends: 109 [2018-10-26 23:47:28,978 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:47:28,978 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2018-10-26 23:47:28,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:47:28,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:47:28,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:47:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:47:28,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-10-26 23:47:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:28,980 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:47:28,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:47:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:47:28,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:47:28,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:47:29,238 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-10-26 23:47:29,448 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 144) no Hoare annotation was computed. [2018-10-26 23:47:29,449 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 144) the Hoare annotation is: true [2018-10-26 23:47:29,449 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 144) no Hoare annotation was computed. [2018-10-26 23:47:29,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:47:29,449 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:47:29,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:47:29,449 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-10-26 23:47:29,449 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L428 ceAbstractionStarter]: At program point L39-3(lines 39 43) the Hoare annotation is: true [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L428 ceAbstractionStarter]: At program point L23-3(lines 23 27) the Hoare annotation is: true [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L23-4(lines 23 27) no Hoare annotation was computed. [2018-10-26 23:47:29,450 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L428 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: true [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L40-1(line 40) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L40-2(line 40) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L40-3(line 40) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-10-26 23:47:29,451 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L49-3(line 49) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-10-26 23:47:29,452 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-10-26 23:47:29,453 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L135-1(line 135) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L135-2(line 135) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L135-3(line 135) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-26 23:47:29,454 INFO L425 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L127-2(line 127) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-10-26 23:47:29,455 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L421 ceAbstractionStarter]: At program point L124-3(lines 124 128) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L421 ceAbstractionStarter]: At program point L108-3(lines 108 112) the Hoare annotation is: (or (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L108-4(lines 108 112) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L137-2(line 137) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-10-26 23:47:29,456 INFO L425 ceAbstractionStarter]: For program point L125-1(line 125) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L125-2(line 125) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L125-3(line 125) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-10-26 23:47:29,457 INFO L425 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-10-26 23:47:29,458 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-10-26 23:47:29,458 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-10-26 23:47:29,458 INFO L421 ceAbstractionStarter]: At program point L134-4(lines 134 138) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-10-26 23:47:29,458 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:47:29,458 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0) [2018-10-26 23:47:29,458 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:47:29,458 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:47:29,458 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-10-26 23:47:29,459 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-10-26 23:47:29,459 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-10-26 23:47:29,459 INFO L421 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) RNE (_ +zero 11 53)))) (or (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (fp.div RNE (fp.sub RNE .cse0 .cse0) .cse1) main_~res~0))) (not (= .cse1 ~zero~0)))) [2018-10-26 23:47:29,459 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-10-26 23:47:29,459 INFO L425 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-10-26 23:47:29,459 INFO L421 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero~0))) [2018-10-26 23:47:29,459 INFO L425 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-10-26 23:47:29,460 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-10-26 23:47:29,465 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,467 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,467 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,469 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,472 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,472 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,472 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,472 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,472 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,473 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,474 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,474 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,475 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,475 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,475 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,475 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,475 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,476 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,476 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,476 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,476 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,477 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,477 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,477 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:47:29 BoogieIcfgContainer [2018-10-26 23:47:29,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:47:29,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:47:29,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:47:29,480 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:47:29,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:47:12" (3/4) ... [2018-10-26 23:47:29,485 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:47:29,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-10-26 23:47:29,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:47:29,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-10-26 23:47:29,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-10-26 23:47:29,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:47:29,497 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-10-26 23:47:29,498 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 23:47:29,498 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:47:29,498 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:47:29,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-10-26 23:47:29,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-10-26 23:47:29,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) [2018-10-26 23:47:29,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4f3b1a9-b230-40fb-889a-aa342f48dbb4/bin-2019/uautomizer/witness.graphml [2018-10-26 23:47:29,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:47:29,554 INFO L168 Benchmark]: Toolchain (without parser) took 32502.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.9 MB in the beginning and 802.5 MB in the end (delta: 149.4 MB). Peak memory consumption was 283.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:29,554 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-26 23:47:29,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:29,555 INFO L168 Benchmark]: Boogie Preprocessor took 59.56 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:29,555 INFO L168 Benchmark]: RCFGBuilder took 14971.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:29,555 INFO L168 Benchmark]: TraceAbstraction took 17067.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 802.5 MB in the end (delta: 280.9 MB). Peak memory consumption was 280.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:29,556 INFO L168 Benchmark]: Witness Printer took 73.70 ms. Allocated memory is still 1.2 GB. Free memory is still 802.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:47:29,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 325.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.56 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14971.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17067.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 802.5 MB in the end (delta: 280.9 MB). Peak memory consumption was 280.9 MB. Max. memory is 11.5 GB. * Witness Printer took 73.70 ms. Allocated memory is still 1.2 GB. Free memory is still 802.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant [2018-10-26 23:47:29,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,564 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,576 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,576 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,576 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,577 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,577 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,577 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,577 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,577 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,577 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant [2018-10-26 23:47:29,578 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,578 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: \old(x) == x || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 124]: Loop Invariant [2018-10-26 23:47:29,578 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,578 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,579 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,579 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,579 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,579 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:47:29,579 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,579 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,580 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,580 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,580 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-10-26 23:47:29,580 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 107 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 539 SDtfs, 216 SDslu, 2525 SDs, 0 SdLazy, 312 SolverSat, 19 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 24 PreInvPairs, 34 NumberOfFragments, 153 HoareAnnotationTreeSize, 24 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 135 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 165 ConstructedInterpolants, 18 QuantifiedInterpolants, 42606 SizeOfPredicates, 23 NumberOfNonLiveVariables, 584 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...