./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/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 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc ................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/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 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:22,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:22,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:22,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:22,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:22,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:22,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:22,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:22,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:22,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:22,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:22,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:22,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:22,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:22,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:22,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:22,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:22,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:22,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:22,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:22,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:22,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:22,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:22,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:22,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:22,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:22,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:22,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:22,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:22,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:22,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:22,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:22,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:22,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:22,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:22,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:22,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:22,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:22,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:22,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:22,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:22,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:22,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:22,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:22,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:22,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:22,478 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:22,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:22,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:22,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:22,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:22,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:22,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:22,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:22,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:22,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:22,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:22,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:22,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:22,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:22,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:22,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:22,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:22,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:22,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:22,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:22,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:22,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:22,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:22,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:22,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0a034545-e964-4482-838a-5e221a4ed665/bin/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 -> 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc [2019-10-22 09:01:22,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:22,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:22,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:22,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:22,538 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:22,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-10-22 09:01:22,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/6c1db9711/0029715ffe63496fb03e72ded8f73f56/FLAGc2aa127c5 [2019-10-22 09:01:23,014 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:23,015 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-10-22 09:01:23,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/6c1db9711/0029715ffe63496fb03e72ded8f73f56/FLAGc2aa127c5 [2019-10-22 09:01:23,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/6c1db9711/0029715ffe63496fb03e72ded8f73f56 [2019-10-22 09:01:23,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:23,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:23,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:23,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:23,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:23,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fbee53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23, skipping insertion in model container [2019-10-22 09:01:23,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:23,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:23,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:23,737 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:23,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:23,803 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:23,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23 WrapperNode [2019-10-22 09:01:23,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:23,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:23,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:23,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:23,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:23,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:23,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:23,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:23,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... [2019-10-22 09:01:23,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:23,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:23,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:23,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:23,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/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 [2019-10-22 09:01:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 09:01:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:01:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 09:01:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:01:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:01:24,470 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:24,472 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-10-22 09:01:24,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:24 BoogieIcfgContainer [2019-10-22 09:01:24,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:24,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:24,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:24,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:24,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:23" (1/3) ... [2019-10-22 09:01:24,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef47973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:24, skipping insertion in model container [2019-10-22 09:01:24,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:23" (2/3) ... [2019-10-22 09:01:24,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef47973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:24, skipping insertion in model container [2019-10-22 09:01:24,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:24" (3/3) ... [2019-10-22 09:01:24,480 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-10-22 09:01:24,488 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:24,494 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:24,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:24,524 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:24,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:24,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:24,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:24,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:24,525 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:24,525 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:24,525 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:24,539 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-10-22 09:01:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:01:24,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:24,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:24,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:24,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:24,550 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2019-10-22 09:01:24,556 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:24,556 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577100588] [2019-10-22 09:01:24,556 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:24,556 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:24,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:24,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577100588] [2019-10-22 09:01:24,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:24,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:24,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926306318] [2019-10-22 09:01:24,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:01:24,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:24,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:01:24,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:24,679 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-10-22 09:01:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:24,704 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2019-10-22 09:01:24,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:24,706 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 09:01:24,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:24,718 INFO L225 Difference]: With dead ends: 145 [2019-10-22 09:01:24,720 INFO L226 Difference]: Without dead ends: 70 [2019-10-22 09:01:24,724 INFO L600 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 [2019-10-22 09:01:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-22 09:01:24,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-22 09:01:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-22 09:01:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2019-10-22 09:01:24,768 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2019-10-22 09:01:24,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:24,768 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2019-10-22 09:01:24,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:01:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2019-10-22 09:01:24,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:01:24,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:24,769 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:24,769 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:24,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:24,770 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2019-10-22 09:01:24,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:24,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590463192] [2019-10-22 09:01:24,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:24,772 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:24,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:24,858 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:24,858 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:01:24,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:24 BoogieIcfgContainer [2019-10-22 09:01:24,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:24,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:24,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:24,893 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:24,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:24" (3/4) ... [2019-10-22 09:01:24,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:01:24,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:24,899 INFO L168 Benchmark]: Toolchain (without parser) took 1500.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:24,899 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:24,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:24,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.65 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. [2019-10-22 09:01:24,901 INFO L168 Benchmark]: Boogie Preprocessor took 48.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:24,901 INFO L168 Benchmark]: RCFGBuilder took 563.28 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:24,902 INFO L168 Benchmark]: TraceAbstraction took 418.61 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:24,902 INFO L168 Benchmark]: Witness Printer took 4.28 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. [2019-10-22 09:01:24,905 INFO L335 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.65 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. * Boogie Preprocessor took 48.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 563.28 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 418.61 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.28 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: 177]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] float x = __VERIFIER_nondet_float(); [L171] COND TRUE x < -1.0f || x > 1.0f [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L97] ieee_float_shape_type gf_u; [L98] gf_u.value = (x) [L99] EXPR gf_u.word [L99] (hx) = gf_u.word [L101] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L102] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L103] COND TRUE hx > 0 [L104] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L173] float res = __ieee754_acosf(x); [L13] return x != x; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L176] COND TRUE !isnan_float(res) [L177] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 102 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=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-cad4683 [2019-10-22 09:01:26,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:26,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:26,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:26,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:26,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:26,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:26,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:26,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:26,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:26,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:26,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:26,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:26,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:26,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:26,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:26,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:26,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:26,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:26,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:26,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:26,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:26,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:26,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:26,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:26,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:26,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:26,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:26,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:26,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:26,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:26,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:26,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:26,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:26,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:26,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:26,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:26,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:26,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:26,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:26,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:01:26,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:26,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:26,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:26,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:26,983 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:26,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:26,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:26,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:26,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:26,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:26,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:26,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:26,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:01:26,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:01:26,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:26,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:26,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:26,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:26,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:26,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:26,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:26,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:26,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:26,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:26,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:26,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:26,987 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:01:26,987 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:01:26,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:26,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:01:26,987 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0a034545-e964-4482-838a-5e221a4ed665/bin/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 -> 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc [2019-10-22 09:01:27,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:27,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:27,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:27,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:27,052 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:27,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-10-22 09:01:27,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/1ee7298c6/a2ab7310734e4784ab84f5f507b4af2e/FLAG609716c52 [2019-10-22 09:01:27,491 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:27,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-10-22 09:01:27,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/1ee7298c6/a2ab7310734e4784ab84f5f507b4af2e/FLAG609716c52 [2019-10-22 09:01:27,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/data/1ee7298c6/a2ab7310734e4784ab84f5f507b4af2e [2019-10-22 09:01:27,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:27,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:27,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:27,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:27,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:27,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:27,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6f493c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27, skipping insertion in model container [2019-10-22 09:01:27,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:27,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:27,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:27,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:27,791 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:27,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:27,971 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:27,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27 WrapperNode [2019-10-22 09:01:27,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:27,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:27,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:27,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:27,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:28,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:28,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:28,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:28,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:28,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:28,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:28,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:28,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/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 [2019-10-22 09:01:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 09:01:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:01:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:28,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 09:01:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:01:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:01:38,957 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:38,957 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-10-22 09:01:38,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:38 BoogieIcfgContainer [2019-10-22 09:01:38,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:38,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:38,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:38,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:38,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:27" (1/3) ... [2019-10-22 09:01:38,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7363e131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:38, skipping insertion in model container [2019-10-22 09:01:38,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (2/3) ... [2019-10-22 09:01:38,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7363e131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:38, skipping insertion in model container [2019-10-22 09:01:38,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:38" (3/3) ... [2019-10-22 09:01:38,967 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-10-22 09:01:38,978 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:38,990 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:39,003 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:39,035 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:39,037 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:39,037 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:39,037 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:39,038 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:39,038 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:39,038 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:39,038 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-10-22 09:01:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:01:39,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:39,068 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:39,070 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:39,078 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2019-10-22 09:01:39,087 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:01:39,087 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398901356] [2019-10-22 09:01:39,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 09:01:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:39,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 09:01:39,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:39,200 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:01:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:39,205 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398901356] [2019-10-22 09:01:39,206 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:39,206 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 09:01:39,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448740959] [2019-10-22 09:01:39,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:01:39,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:01:39,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:01:39,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:39,224 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-10-22 09:01:39,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:39,253 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2019-10-22 09:01:39,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:39,254 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 09:01:39,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:39,268 INFO L225 Difference]: With dead ends: 145 [2019-10-22 09:01:39,268 INFO L226 Difference]: Without dead ends: 70 [2019-10-22 09:01:39,272 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-22 09:01:39,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-22 09:01:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-22 09:01:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2019-10-22 09:01:39,313 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2019-10-22 09:01:39,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:39,314 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2019-10-22 09:01:39,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:01:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2019-10-22 09:01:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:01:39,315 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:39,315 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:39,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:01:39,516 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:39,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:39,516 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2019-10-22 09:01:39,517 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:01:39,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037453542] [2019-10-22 09:01:39,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/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 [2019-10-22 09:01:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:39,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 09:01:39,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:39,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:01:41,750 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2019-10-22 09:01:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:41,757 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:01:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:41,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037453542] [2019-10-22 09:01:41,840 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:41,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 09:01:41,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117217756] [2019-10-22 09:01:41,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:01:41,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:01:41,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:01:41,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:41,843 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 8 states. [2019-10-22 09:01:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:42,238 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2019-10-22 09:01:42,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:42,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-10-22 09:01:42,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:42,285 INFO L225 Difference]: With dead ends: 75 [2019-10-22 09:01:42,285 INFO L226 Difference]: Without dead ends: 13 [2019-10-22 09:01:42,286 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:01:42,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-10-22 09:01:42,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-10-22 09:01:42,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-10-22 09:01:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-10-22 09:01:42,290 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2019-10-22 09:01:42,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:42,290 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-10-22 09:01:42,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:01:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-10-22 09:01:42,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:01:42,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:42,291 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:42,492 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 09:01:42,492 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:42,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:42,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1154004402, now seen corresponding path program 1 times [2019-10-22 09:01:42,493 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:01:42,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22597243] [2019-10-22 09:01:42,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 09:01:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:42,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:01:42,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:43,775 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-10-22 09:01:43,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:01:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:45,276 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:01:47,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:47,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22597243] [2019-10-22 09:01:47,146 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:47,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 09:01:47,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884740791] [2019-10-22 09:01:47,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:01:47,147 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:01:47,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:01:47,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:47,148 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 8 states. [2019-10-22 09:01:51,916 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2019-10-22 09:01:55,624 WARN L191 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-10-22 09:01:55,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:55,625 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-10-22 09:01:55,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:55,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-10-22 09:01:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:55,626 INFO L225 Difference]: With dead ends: 13 [2019-10-22 09:01:55,626 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:55,627 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:01:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:55,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:55,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-10-22 09:01:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:55,628 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:55,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:01:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:55,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:55,829 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 09:01:55,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:59,714 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 31 [2019-10-22 09:01:59,718 INFO L443 ceAbstractionStarter]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2019-10-22 09:01:59,718 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 109) no Hoare annotation was computed. [2019-10-22 09:01:59,719 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:59,719 INFO L439 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-10-22 09:01:59,719 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-10-22 09:01:59,719 INFO L439 ceAbstractionStarter]: At program point L53-6(lines 53 62) the Hoare annotation is: false [2019-10-22 09:01:59,719 INFO L443 ceAbstractionStarter]: For program point L53-7(lines 17 82) no Hoare annotation was computed. [2019-10-22 09:01:59,719 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L38-5(lines 38 42) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-10-22 09:01:59,720 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-10-22 09:01:59,721 INFO L439 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-10-22 09:01:59,721 INFO L443 ceAbstractionStarter]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-10-22 09:01:59,721 INFO L443 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-10-22 09:01:59,721 INFO L443 ceAbstractionStarter]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-10-22 09:01:59,721 INFO L443 ceAbstractionStarter]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-10-22 09:01:59,721 INFO L439 ceAbstractionStarter]: At program point L22-6(lines 22 26) the Hoare annotation is: false [2019-10-22 09:01:59,722 INFO L443 ceAbstractionStarter]: For program point L22-7(lines 22 26) no Hoare annotation was computed. [2019-10-22 09:01:59,722 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2019-10-22 09:01:59,722 INFO L443 ceAbstractionStarter]: For program point L171-2(lines 171 180) no Hoare annotation was computed. [2019-10-22 09:01:59,722 INFO L443 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-10-22 09:01:59,723 INFO L439 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-10-22 09:01:59,723 INFO L443 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-10-22 09:01:59,723 INFO L443 ceAbstractionStarter]: For program point L39-7(lines 39 40) no Hoare annotation was computed. [2019-10-22 09:01:59,723 INFO L439 ceAbstractionStarter]: At program point L39-8(lines 39 40) the Hoare annotation is: false [2019-10-22 09:01:59,723 INFO L443 ceAbstractionStarter]: For program point L39-9(lines 39 40) no Hoare annotation was computed. [2019-10-22 09:01:59,723 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 159) no Hoare annotation was computed. [2019-10-22 09:01:59,723 INFO L443 ceAbstractionStarter]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2019-10-22 09:01:59,724 INFO L439 ceAbstractionStarter]: At program point L139-2(lines 139 143) the Hoare annotation is: false [2019-10-22 09:01:59,724 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2019-10-22 09:01:59,724 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:59,724 INFO L439 ceAbstractionStarter]: At program point L158(lines 93 160) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (let ((.cse1 (fp.neg .cse2))) (and (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)))) (or (fp.lt .cse0 .cse1) (fp.gt .cse0 .cse2))) (not (fp.eq |ULTIMATE.start___ieee754_acosf_#res| |ULTIMATE.start___ieee754_acosf_#res|)) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)))) (or (fp.gt ULTIMATE.start___ieee754_acosf_~x .cse2) (fp.lt ULTIMATE.start___ieee754_acosf_~x .cse1))))) [2019-10-22 09:01:59,724 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-10-22 09:01:59,725 INFO L439 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-10-22 09:01:59,725 INFO L443 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-10-22 09:01:59,725 INFO L443 ceAbstractionStarter]: For program point L76-5(lines 76 80) no Hoare annotation was computed. [2019-10-22 09:01:59,725 INFO L439 ceAbstractionStarter]: At program point L76-6(lines 76 80) the Hoare annotation is: false [2019-10-22 09:01:59,725 INFO L443 ceAbstractionStarter]: For program point L76-7(lines 76 80) no Hoare annotation was computed. [2019-10-22 09:01:59,725 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 179) no Hoare annotation was computed. [2019-10-22 09:01:59,725 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 159) no Hoare annotation was computed. [2019-10-22 09:01:59,726 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:59,726 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-22 09:01:59,726 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2019-10-22 09:01:59,726 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-10-22 09:01:59,726 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 134 159) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L144-2(lines 144 148) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L45-3(lines 45 46) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L45-5(lines 45 46) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-10-22 09:01:59,727 INFO L443 ceAbstractionStarter]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2019-10-22 09:01:59,728 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (let ((.cse1 (fp.neg .cse2))) (and (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)))) (or (fp.lt .cse0 .cse1) (fp.gt .cse0 .cse2))) (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (let ((.cse3 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse3 .cse3)) |ULTIMATE.start___ieee754_acosf_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) roundNearestTiesToEven 1.0)))) (or (fp.gt ULTIMATE.start___ieee754_acosf_~x .cse2) (fp.lt ULTIMATE.start___ieee754_acosf_~x .cse1))))) [2019-10-22 09:01:59,728 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2019-10-22 09:01:59,728 INFO L439 ceAbstractionStarter]: At program point L96-2(lines 96 100) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.gt ULTIMATE.start___ieee754_acosf_~x .cse0) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg .cse0)))) [2019-10-22 09:01:59,728 INFO L443 ceAbstractionStarter]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2019-10-22 09:01:59,729 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-10-22 09:01:59,729 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-10-22 09:01:59,729 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2019-10-22 09:01:59,729 INFO L439 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-10-22 09:01:59,729 INFO L439 ceAbstractionStarter]: At program point L81-1(lines 17 82) the Hoare annotation is: false [2019-10-22 09:01:59,729 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-10-22 09:01:59,729 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:59,730 INFO L443 ceAbstractionStarter]: For program point L32-1(lines 32 33) no Hoare annotation was computed. [2019-10-22 09:01:59,730 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-10-22 09:01:59,730 INFO L443 ceAbstractionStarter]: For program point L66-2(lines 66 72) no Hoare annotation was computed. [2019-10-22 09:01:59,730 INFO L446 ceAbstractionStarter]: At program point L182(lines 162 183) the Hoare annotation is: true [2019-10-22 09:01:59,731 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-10-22 09:01:59,731 INFO L443 ceAbstractionStarter]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2019-10-22 09:01:59,731 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-10-22 09:01:59,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,762 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:59 BoogieIcfgContainer [2019-10-22 09:01:59,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:59,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:59,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:59,769 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:59,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:38" (3/4) ... [2019-10-22 09:01:59,774 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:59,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-10-22 09:01:59,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:01:59,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && (~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) [2019-10-22 09:01:59,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && (~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) [2019-10-22 09:01:59,891 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0a034545-e964-4482-838a-5e221a4ed665/bin/uautomizer/witness.graphml [2019-10-22 09:01:59,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:59,895 INFO L168 Benchmark]: Toolchain (without parser) took 32378.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 952.3 MB in the beginning and 910.5 MB in the end (delta: 41.9 MB). Peak memory consumption was 149.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:59,896 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:59,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:59,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:59,897 INFO L168 Benchmark]: Boogie Preprocessor took 46.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:59,897 INFO L168 Benchmark]: RCFGBuilder took 10865.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:59,898 INFO L168 Benchmark]: TraceAbstraction took 20808.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.4 MB in the end (delta: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:59,898 INFO L168 Benchmark]: Witness Printer took 125.01 ms. Allocated memory is still 1.1 GB. Free memory was 924.4 MB in the beginning and 910.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:59,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10865.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20808.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.4 MB in the end (delta: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. * Witness Printer took 125.01 ms. Allocated memory is still 1.1 GB. Free memory was 924.4 MB in the beginning and 910.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2019-10-22 09:01:59,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && !~fp.eq~FLOAT(\result, \result)) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && (~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) - InvariantResult [Line: 96]: Loop Invariant [2019-10-22 09:01:59,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant [2019-10-22 09:01:59,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-10-22 09:01:59,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-10-22 09:01:59,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:59,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) || ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) && (~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) || ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Result: SAFE, OverallTime: 20.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, HoareTripleCheckerStatistics: 118 SDtfs, 41 SDslu, 39 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 154 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 3 QuantifiedInterpolants, 2147 SizeOfPredicates, 14 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...