./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 0.1.24-678e011 [2019-11-20 05:56:37,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:56:37,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:56:37,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:56:37,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:56:37,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:56:37,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:56:37,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:56:37,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:56:37,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:56:37,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:56:37,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:56:37,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:56:37,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:56:37,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:56:37,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:56:37,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:56:37,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:56:37,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:56:37,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:56:37,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:56:37,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:56:37,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:56:37,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:56:37,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:56:37,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:56:37,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:56:37,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:56:37,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:56:37,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:56:37,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:56:37,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:56:37,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:56:37,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:56:37,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:56:37,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:56:37,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:56:37,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:56:37,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:56:37,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:56:37,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:56:37,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:56:37,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:56:37,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:56:37,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:56:37,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:56:37,625 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:56:37,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:56:37,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:56:37,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:56:37,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:56:37,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:56:37,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:56:37,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:56:37,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:56:37,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:56:37,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:56:37,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:56:37,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:56:37,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:56:37,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:56:37,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:56:37,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:56:37,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:56:37,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:56:37,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:56:37,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:56:37,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:56:37,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:56:37,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:56:37,630 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/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:37,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:56:37,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:56:37,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:56:37,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:56:37,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:56:37,826 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-20 05:56:37,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/a09f5aeaf/254d10807ee943578775b6b82bab7794/FLAG34b47fafa [2019-11-20 05:56:38,310 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:56:38,310 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-20 05:56:38,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/a09f5aeaf/254d10807ee943578775b6b82bab7794/FLAG34b47fafa [2019-11-20 05:56:38,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/a09f5aeaf/254d10807ee943578775b6b82bab7794 [2019-11-20 05:56:38,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:56:38,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:56:38,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:56:38,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:56:38,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:56:38,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a081b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38, skipping insertion in model container [2019-11-20 05:56:38,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,359 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:56:38,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:56:38,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:56:38,684 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:56:38,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:56:38,744 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:56:38,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38 WrapperNode [2019-11-20 05:56:38,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:56:38,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:56:38,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:56:38,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:56:38,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:56:38,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:56:38,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:56:38,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:56:38,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... [2019-11-20 05:56:38,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:56:38,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:56:38,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:56:38,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:56:38,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:56:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 05:56:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:56:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 05:56:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:56:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:56:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:56:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:56:39,444 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:56:39,445 INFO L285 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-20 05:56:39,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:39 BoogieIcfgContainer [2019-11-20 05:56:39,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:56:39,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:56:39,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:56:39,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:56:39,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:56:38" (1/3) ... [2019-11-20 05:56:39,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb8a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:56:39, skipping insertion in model container [2019-11-20 05:56:39,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:38" (2/3) ... [2019-11-20 05:56:39,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb8a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:56:39, skipping insertion in model container [2019-11-20 05:56:39,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:39" (3/3) ... [2019-11-20 05:56:39,452 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-11-20 05:56:39,460 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:56:39,467 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:56:39,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:56:39,497 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:56:39,497 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:56:39,497 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:56:39,497 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:56:39,498 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:56:39,498 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:56:39,498 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:56:39,498 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:56:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-20 05:56:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 05:56:39,517 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:56:39,517 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:56:39,518 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:56:39,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:56:39,523 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2019-11-20 05:56:39,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:56:39,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657863112] [2019-11-20 05:56:39,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:56:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:56:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:56:39,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657863112] [2019-11-20 05:56:39,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:56:39,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:56:39,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163390230] [2019-11-20 05:56:39,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:56:39,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:56:39,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:56:39,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:56:39,664 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-20 05:56:39,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:56:39,686 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2019-11-20 05:56:39,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:56:39,687 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 05:56:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:56:39,697 INFO L225 Difference]: With dead ends: 145 [2019-11-20 05:56:39,697 INFO L226 Difference]: Without dead ends: 70 [2019-11-20 05:56:39,700 INFO L630 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 [2019-11-20 05:56:39,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-20 05:56:39,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-20 05:56:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-20 05:56:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2019-11-20 05:56:39,737 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2019-11-20 05:56:39,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:56:39,737 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2019-11-20 05:56:39,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:56:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2019-11-20 05:56:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 05:56:39,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:56:39,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:56:39,739 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:56:39,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:56:39,739 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2019-11-20 05:56:39,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:56:39,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130323368] [2019-11-20 05:56:39,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:56:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:56:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:56:39,827 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:56:39,827 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 05:56:39,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:56:39 BoogieIcfgContainer [2019-11-20 05:56:39,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:56:39,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:56:39,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:56:39,861 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:56:39,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:39" (3/4) ... [2019-11-20 05:56:39,864 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:56:39,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:56:39,866 INFO L168 Benchmark]: Toolchain (without parser) took 1528.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -107.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:56:39,866 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:56:39,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:56:39,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:56:39,868 INFO L168 Benchmark]: Boogie Preprocessor took 39.01 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:56:39,869 INFO L168 Benchmark]: RCFGBuilder took 613.93 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:56:39,869 INFO L168 Benchmark]: TraceAbstraction took 413.27 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. [2019-11-20 05:56:39,870 INFO L168 Benchmark]: Witness Printer took 3.84 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. [2019-11-20 05:56:39,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.01 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 613.93 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 413.27 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 3.84 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=15707962513/5000000000, 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] [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=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] [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=15707962513/10000000000, 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] [L103] COND TRUE hx > 0 [L104] return 0.0; 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] [L173] float res = __ieee754_acosf(x); [L13] return x != x; 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] [L176] COND TRUE !isnan_float(res) [L177] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, 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 0.1.24-678e011 [2019-11-20 05:56:41,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:56:41,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:56:41,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:56:41,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:56:41,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:56:41,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:56:41,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:56:41,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:56:41,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:56:41,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:56:41,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:56:41,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:56:41,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:56:41,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:56:41,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:56:41,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:56:41,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:56:41,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:56:41,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:56:41,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:56:41,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:56:41,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:56:41,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:56:41,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-20 05:56:41,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:56:41,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:56:41,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:56:41,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:56:41,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:56:41,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:56:41,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:56:41,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:56:41,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:56:41,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:56:41,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:56:41,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 05:56:41,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:56:41,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:56:41,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:56:41,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:56:41,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:56:41,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:56:41,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:56:41,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:56:41,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:56:41,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:56:41,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:56:41,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:56:41,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:56:41,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:56:41,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:56:41,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:56:41,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:56:41,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:56:41,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:56:41,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:56:41,851 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 05:56:41,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:56:41,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:56:41,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:56:41,852 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/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:42,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:56:42,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:56:42,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:56:42,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:56:42,128 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:56:42,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-20 05:56:42,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/91a4675fe/4d1493dc24dc4e9fa287f97b51ef7425/FLAG185b2ff55 [2019-11-20 05:56:42,577 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:56:42,578 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-20 05:56:42,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/91a4675fe/4d1493dc24dc4e9fa287f97b51ef7425/FLAG185b2ff55 [2019-11-20 05:56:42,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/data/91a4675fe/4d1493dc24dc4e9fa287f97b51ef7425 [2019-11-20 05:56:42,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:56:42,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:56:42,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:56:42,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:56:42,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:56:42,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:42" (1/1) ... [2019-11-20 05:56:42,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e76791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:42, skipping insertion in model container [2019-11-20 05:56:42,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:42" (1/1) ... [2019-11-20 05:56:42,614 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:56:42,636 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:56:42,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:56:42,886 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:56:43,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:56:43,038 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:56:43,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43 WrapperNode [2019-11-20 05:56:43,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:56:43,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:56:43,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:56:43,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:56:43,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:56:43,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:56:43,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:56:43,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:56:43,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... [2019-11-20 05:56:43,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:56:43,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:56:43,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:56:43,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:56:43,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:56:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 05:56:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 05:56:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:56:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:56:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 05:56:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 05:56:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:56:52,576 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:56:52,577 INFO L285 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-20 05:56:52,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:52 BoogieIcfgContainer [2019-11-20 05:56:52,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:56:52,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:56:52,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:56:52,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:56:52,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:56:42" (1/3) ... [2019-11-20 05:56:52,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fc72b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:56:52, skipping insertion in model container [2019-11-20 05:56:52,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:43" (2/3) ... [2019-11-20 05:56:52,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fc72b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:56:52, skipping insertion in model container [2019-11-20 05:56:52,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:52" (3/3) ... [2019-11-20 05:56:52,584 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-11-20 05:56:52,593 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:56:52,599 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:56:52,608 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:56:52,630 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:56:52,631 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:56:52,631 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:56:52,631 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:56:52,631 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:56:52,631 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:56:52,631 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:56:52,632 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:56:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-20 05:56:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 05:56:52,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:56:52,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:56:52,650 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:56:52,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:56:52,654 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2019-11-20 05:56:52,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:56:52,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040782832] [2019-11-20 05:56:52,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:56:52,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 05:56:52,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:56:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:56:52,769 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:56:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:56:52,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040782832] [2019-11-20 05:56:52,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:56:52,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 05:56:52,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805938842] [2019-11-20 05:56:52,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:56:52,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:56:52,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:56:52,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:56:52,794 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-20 05:56:52,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:56:52,818 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2019-11-20 05:56:52,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:56:52,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 05:56:52,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:56:52,829 INFO L225 Difference]: With dead ends: 145 [2019-11-20 05:56:52,829 INFO L226 Difference]: Without dead ends: 70 [2019-11-20 05:56:52,832 INFO L630 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 [2019-11-20 05:56:52,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-20 05:56:52,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-20 05:56:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-20 05:56:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2019-11-20 05:56:52,863 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2019-11-20 05:56:52,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:56:52,863 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2019-11-20 05:56:52,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:56:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2019-11-20 05:56:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 05:56:52,864 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:56:52,865 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:56:53,083 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 05:56:53,084 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:56:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:56:53,084 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2019-11-20 05:56:53,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:56:53,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527850006] [2019-11-20 05:56:53,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:56:53,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:56:53,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:56:53,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:56:55,276 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2019-11-20 05:56:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:56:55,282 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:56:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:56:55,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527850006] [2019-11-20 05:56:55,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:56:55,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 05:56:55,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109498443] [2019-11-20 05:56:55,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:56:55,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:56:55,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:56:55,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:56:55,362 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 8 states. [2019-11-20 05:56:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:56:55,750 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2019-11-20 05:56:55,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:56:55,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-20 05:56:55,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:56:55,795 INFO L225 Difference]: With dead ends: 75 [2019-11-20 05:56:55,795 INFO L226 Difference]: Without dead ends: 13 [2019-11-20 05:56:55,796 INFO L630 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 [2019-11-20 05:56:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-20 05:56:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 05:56:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:56:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-20 05:56:55,800 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2019-11-20 05:56:55,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:56:55,800 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-20 05:56:55,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:56:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-20 05:56:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 05:56:55,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:56:55,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:56:56,014 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 05:56:56,014 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:56:56,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:56:56,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1154004402, now seen corresponding path program 1 times [2019-11-20 05:56:56,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:56:56,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546122121] [2019-11-20 05:56:56,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/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 [2019-11-20 05:56:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:56:56,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:56:56,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:56:57,659 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-20 05:56:57,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:56:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:56:58,999 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:57:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:57:00,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546122121] [2019-11-20 05:57:00,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:57:00,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 05:57:00,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438099955] [2019-11-20 05:57:00,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:57:00,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:57:00,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:57:00,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:57:00,942 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 8 states. [2019-11-20 05:57:05,370 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2019-11-20 05:57:09,173 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-11-20 05:57:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:57:09,174 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-20 05:57:09,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:57:09,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-20 05:57:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:57:09,175 INFO L225 Difference]: With dead ends: 13 [2019-11-20 05:57:09,175 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:57:09,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-20 05:57:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:57:09,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:57:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:57:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:57:09,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-20 05:57:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:57:09,177 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:57:09,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:57:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:57:09,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:57:09,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 05:57:09,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:57:12,812 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 31 [2019-11-20 05:57:12,816 INFO L444 ceAbstractionStarter]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2019-11-20 05:57:12,816 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 109) no Hoare annotation was computed. [2019-11-20 05:57:12,816 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:57:12,816 INFO L440 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-20 05:57:12,817 INFO L440 ceAbstractionStarter]: At program point L53-6(lines 53 62) the Hoare annotation is: false [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L53-7(lines 17 82) no Hoare annotation was computed. [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2019-11-20 05:57:12,817 INFO L444 ceAbstractionStarter]: For program point L38-5(lines 38 42) no Hoare annotation was computed. [2019-11-20 05:57:12,818 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-20 05:57:12,818 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-20 05:57:12,818 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-20 05:57:12,818 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-20 05:57:12,818 INFO L444 ceAbstractionStarter]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-11-20 05:57:12,818 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-20 05:57:12,818 INFO L444 ceAbstractionStarter]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-11-20 05:57:12,819 INFO L444 ceAbstractionStarter]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-11-20 05:57:12,819 INFO L440 ceAbstractionStarter]: At program point L22-6(lines 22 26) the Hoare annotation is: false [2019-11-20 05:57:12,819 INFO L444 ceAbstractionStarter]: For program point L22-7(lines 22 26) no Hoare annotation was computed. [2019-11-20 05:57:12,819 INFO L444 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2019-11-20 05:57:12,819 INFO L444 ceAbstractionStarter]: For program point L171-2(lines 171 180) no Hoare annotation was computed. [2019-11-20 05:57:12,819 INFO L444 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-20 05:57:12,819 INFO L440 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-20 05:57:12,819 INFO L444 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-20 05:57:12,820 INFO L444 ceAbstractionStarter]: For program point L39-7(lines 39 40) no Hoare annotation was computed. [2019-11-20 05:57:12,820 INFO L440 ceAbstractionStarter]: At program point L39-8(lines 39 40) the Hoare annotation is: false [2019-11-20 05:57:12,820 INFO L444 ceAbstractionStarter]: For program point L39-9(lines 39 40) no Hoare annotation was computed. [2019-11-20 05:57:12,820 INFO L444 ceAbstractionStarter]: For program point L122(lines 122 159) no Hoare annotation was computed. [2019-11-20 05:57:12,820 INFO L444 ceAbstractionStarter]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2019-11-20 05:57:12,820 INFO L440 ceAbstractionStarter]: At program point L139-2(lines 139 143) the Hoare annotation is: false [2019-11-20 05:57:12,820 INFO L444 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2019-11-20 05:57:12,821 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:57:12,821 INFO L440 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))))) [2019-11-20 05:57:12,822 INFO L444 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:57:12,822 INFO L440 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-20 05:57:12,822 INFO L444 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:57:12,822 INFO L444 ceAbstractionStarter]: For program point L76-5(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:57:12,823 INFO L440 ceAbstractionStarter]: At program point L76-6(lines 76 80) the Hoare annotation is: false [2019-11-20 05:57:12,823 INFO L444 ceAbstractionStarter]: For program point L76-7(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:57:12,823 INFO L444 ceAbstractionStarter]: For program point L176(lines 176 179) no Hoare annotation was computed. [2019-11-20 05:57:12,823 INFO L444 ceAbstractionStarter]: For program point L110(lines 110 159) no Hoare annotation was computed. [2019-11-20 05:57:12,823 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:57:12,823 INFO L444 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-20 05:57:12,824 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2019-11-20 05:57:12,824 INFO L444 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-20 05:57:12,824 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 134 159) no Hoare annotation was computed. [2019-11-20 05:57:12,824 INFO L444 ceAbstractionStarter]: For program point L144-2(lines 144 148) no Hoare annotation was computed. [2019-11-20 05:57:12,824 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-20 05:57:12,825 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-20 05:57:12,825 INFO L444 ceAbstractionStarter]: For program point L45-3(lines 45 46) no Hoare annotation was computed. [2019-11-20 05:57:12,825 INFO L444 ceAbstractionStarter]: For program point L45-5(lines 45 46) no Hoare annotation was computed. [2019-11-20 05:57:12,825 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-20 05:57:12,825 INFO L444 ceAbstractionStarter]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2019-11-20 05:57:12,826 INFO L440 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))))) [2019-11-20 05:57:12,826 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2019-11-20 05:57:12,826 INFO L440 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)))) [2019-11-20 05:57:12,826 INFO L444 ceAbstractionStarter]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2019-11-20 05:57:12,826 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-20 05:57:12,827 INFO L444 ceAbstractionStarter]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2019-11-20 05:57:12,827 INFO L440 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-20 05:57:12,827 INFO L440 ceAbstractionStarter]: At program point L81-1(lines 17 82) the Hoare annotation is: false [2019-11-20 05:57:12,827 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-20 05:57:12,827 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:57:12,827 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 32 33) no Hoare annotation was computed. [2019-11-20 05:57:12,828 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-20 05:57:12,828 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-20 05:57:12,828 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 72) no Hoare annotation was computed. [2019-11-20 05:57:12,828 INFO L447 ceAbstractionStarter]: At program point L182(lines 162 183) the Hoare annotation is: true [2019-11-20 05:57:12,828 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-20 05:57:12,828 INFO L444 ceAbstractionStarter]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2019-11-20 05:57:12,828 INFO L444 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-20 05:57:12,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,846 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,852 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:57:12 BoogieIcfgContainer [2019-11-20 05:57:12,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:57:12,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:57:12,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:57:12,861 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:57:12,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:52" (3/4) ... [2019-11-20 05:57:12,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:57:12,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-20 05:57:12,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 05:57:12,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:57:12,904 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)))) [2019-11-20 05:57:12,905 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)))) [2019-11-20 05:57:12,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2f948495-7f2f-47f4-92b1-a639a50de828/bin/uautomizer/witness.graphml [2019-11-20 05:57:12,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:57:12,962 INFO L168 Benchmark]: Toolchain (without parser) took 30362.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 961.8 MB in the beginning and 973.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 156.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:57:12,962 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:57:12,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -195.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:57:12,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:57:12,964 INFO L168 Benchmark]: Boogie Preprocessor took 45.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:57:12,964 INFO L168 Benchmark]: RCFGBuilder took 9440.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:57:12,964 INFO L168 Benchmark]: TraceAbstraction took 20281.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.8 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:57:12,965 INFO L168 Benchmark]: Witness Printer took 100.04 ms. Allocated memory is still 1.2 GB. Free memory was 979.8 MB in the beginning and 973.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:57:12,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -195.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9440.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20281.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.8 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * Witness Printer took 100.04 ms. Allocated memory is still 1.2 GB. Free memory was 979.8 MB in the beginning and 973.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 [2019-11-20 05:57:12,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,983 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 [2019-11-20 05:57:12,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,985 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 [2019-11-20 05:57:12,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-20 05:57:12,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-20 05:57:12,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:57:12,994 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: 20.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, HoareTripleCheckerStatistics: 118 SDtfs, 41 SDslu, 39 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 13.8s 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, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 3 QuantifiedInterpolants, 2147 SizeOfPredicates, 14 NumberOfNonLiveVariables, 134 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...