./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/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 2e3b677629e69b083ff740542124e952dcae7545 ......................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/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 2e3b677629e69b083ff740542124e952dcae7545 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:10,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:10,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:10,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:10,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:10,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:10,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:10,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:10,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:10,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:10,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:10,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:10,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:10,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:10,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:10,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:10,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:10,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:10,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:10,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:10,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:10,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:10,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:10,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:10,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:10,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:10,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:10,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:10,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:10,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:10,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:10,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:10,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:10,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:10,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:10,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:10,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:10,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:10,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:10,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:10,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:10,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:10,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:10,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:10,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:10,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:10,780 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:10,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:10,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:10,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:10,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:10,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:10,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:10,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:10,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:10,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:10,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:10,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:10,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:10,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:10,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:10,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:10,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:10,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:10,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:10,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:10,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:10,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:10,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:10,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:10,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2019-10-22 08:54:10,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:10,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:10,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:10,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:10,839 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:10,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-10-22 08:54:10,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/71a378d3b/dc3e6c221e3446b782e35315fcfb7502/FLAGb87be172b [2019-10-22 08:54:11,252 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:11,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-10-22 08:54:11,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/71a378d3b/dc3e6c221e3446b782e35315fcfb7502/FLAGb87be172b [2019-10-22 08:54:11,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/71a378d3b/dc3e6c221e3446b782e35315fcfb7502 [2019-10-22 08:54:11,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:11,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:11,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:11,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:11,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:11,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dca557f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11, skipping insertion in model container [2019-10-22 08:54:11,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,293 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:11,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:11,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:11,529 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:11,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:11,572 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:11,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11 WrapperNode [2019-10-22 08:54:11,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:11,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:11,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:11,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:11,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:11,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:11,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:11,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:11,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:11,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:11,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:11,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:11,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:54:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:54:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:54:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:54:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:11,891 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:11,891 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 08:54:11,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:11 BoogieIcfgContainer [2019-10-22 08:54:11,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:11,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:11,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:11,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:11,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:11" (1/3) ... [2019-10-22 08:54:11,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dca6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:11, skipping insertion in model container [2019-10-22 08:54:11,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11" (2/3) ... [2019-10-22 08:54:11,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dca6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:11, skipping insertion in model container [2019-10-22 08:54:11,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:11" (3/3) ... [2019-10-22 08:54:11,900 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2019-10-22 08:54:11,909 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:11,915 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:54:11,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:54:11,949 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:11,950 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:11,950 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:11,950 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:11,950 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:11,950 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:11,950 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:11,950 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-22 08:54:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:54:11,969 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:11,970 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:11,972 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:11,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:11,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-10-22 08:54:11,984 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:11,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691729820] [2019-10-22 08:54:11,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:11,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:11,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:12,085 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691729820] [2019-10-22 08:54:12,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:12,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:12,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598403057] [2019-10-22 08:54:12,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:12,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:12,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:12,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:12,102 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-10-22 08:54:12,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:12,120 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-10-22 08:54:12,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:12,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 08:54:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:12,132 INFO L225 Difference]: With dead ends: 58 [2019-10-22 08:54:12,132 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 08:54:12,134 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 08:54:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 08:54:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:54:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-10-22 08:54:12,164 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-10-22 08:54:12,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:12,165 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-10-22 08:54:12,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-10-22 08:54:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:12,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:12,166 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:12,166 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:12,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:12,166 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-10-22 08:54:12,166 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:12,167 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276277527] [2019-10-22 08:54:12,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:12,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:12,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:12,276 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:12,277 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:54:12,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:12 BoogieIcfgContainer [2019-10-22 08:54:12,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:12,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:12,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:12,311 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:12,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:11" (3/4) ... [2019-10-22 08:54:12,314 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:12,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:12,316 INFO L168 Benchmark]: Toolchain (without parser) took 1041.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:12,317 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-10-22 08:54:12,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:12,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:12,318 INFO L168 Benchmark]: Boogie Preprocessor took 22.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:12,319 INFO L168 Benchmark]: RCFGBuilder took 257.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:12,319 INFO L168 Benchmark]: TraceAbstraction took 416.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:12,321 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:12,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 293.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 257.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 416.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L76] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 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=30occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:14,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:14,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:14,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:14,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:14,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:14,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:14,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:14,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:14,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:14,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:14,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:14,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:14,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:14,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:14,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:14,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:14,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:14,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:14,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:14,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:14,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:14,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:14,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:14,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:14,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:14,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:14,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:14,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:14,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:14,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:14,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:14,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:14,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:14,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:14,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:14,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:14,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:14,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:14,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:14,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:14,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:54:14,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:14,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:14,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:14,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:14,348 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:14,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:14,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:14,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:14,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:14,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:14,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:14,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:14,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:54:14,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:54:14,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:14,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:14,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:14,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:14,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:14,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:14,351 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:54:14,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:54:14,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:14,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:54:14,352 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2019-10-22 08:54:14,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:14,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:14,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:14,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:14,398 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:14,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-10-22 08:54:14,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/fd680dda1/d78c0a0aba0d4e19b647ae3d64c36138/FLAG61ece18d5 [2019-10-22 08:54:14,824 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:14,826 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-10-22 08:54:14,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/fd680dda1/d78c0a0aba0d4e19b647ae3d64c36138/FLAG61ece18d5 [2019-10-22 08:54:15,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/data/fd680dda1/d78c0a0aba0d4e19b647ae3d64c36138 [2019-10-22 08:54:15,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:15,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:15,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:15,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:15,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:15,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b5f703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15, skipping insertion in model container [2019-10-22 08:54:15,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,282 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:15,301 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:15,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:15,497 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:15,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:15,553 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:15,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15 WrapperNode [2019-10-22 08:54:15,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:15,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:15,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:15,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:15,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:15,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:15,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:15,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:15,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... [2019-10-22 08:54:15,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:15,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:15,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:15,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:15,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:54:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 08:54:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 08:54:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:54:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:16,295 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:16,295 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 08:54:16,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:16 BoogieIcfgContainer [2019-10-22 08:54:16,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:16,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:16,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:16,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:16,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:15" (1/3) ... [2019-10-22 08:54:16,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c96c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:16, skipping insertion in model container [2019-10-22 08:54:16,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:15" (2/3) ... [2019-10-22 08:54:16,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c96c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:16, skipping insertion in model container [2019-10-22 08:54:16,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:16" (3/3) ... [2019-10-22 08:54:16,303 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2019-10-22 08:54:16,310 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:16,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:54:16,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:54:16,348 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:16,348 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:16,348 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:16,348 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:16,348 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:16,349 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:16,349 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:16,349 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-22 08:54:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:54:16,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,369 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,371 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-10-22 08:54:16,387 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:16,387 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921401939] [2019-10-22 08:54:16,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 08:54:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 08:54:16,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,490 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921401939] [2019-10-22 08:54:16,495 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 08:54:16,496 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896273768] [2019-10-22 08:54:16,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:16,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:16,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:16,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:16,511 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-10-22 08:54:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:16,528 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-10-22 08:54:16,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:16,529 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 08:54:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:16,540 INFO L225 Difference]: With dead ends: 58 [2019-10-22 08:54:16,540 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 08:54:16,543 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:16,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 08:54:16,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 08:54:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:54:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-10-22 08:54:16,572 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-10-22 08:54:16,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:16,572 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-10-22 08:54:16,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-10-22 08:54:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:16,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:16,573 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:16,774 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:54:16,774 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:16,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,775 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-10-22 08:54:16,775 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:16,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968144809] [2019-10-22 08:54:16,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 08:54:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:54:16,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,897 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:16,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968144809] [2019-10-22 08:54:16,974 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:16,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 08:54:16,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063610415] [2019-10-22 08:54:16,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:16,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:16,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:16,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:16,977 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 8 states. [2019-10-22 08:54:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:17,244 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2019-10-22 08:54:17,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:54:17,246 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-10-22 08:54:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:17,247 INFO L225 Difference]: With dead ends: 51 [2019-10-22 08:54:17,247 INFO L226 Difference]: Without dead ends: 34 [2019-10-22 08:54:17,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:54:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-22 08:54:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2019-10-22 08:54:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 08:54:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-10-22 08:54:17,254 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2019-10-22 08:54:17,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:17,254 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-10-22 08:54:17,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-10-22 08:54:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 08:54:17,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:17,256 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:17,456 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:54:17,457 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2019-10-22 08:54:17,458 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:17,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624488831] [2019-10-22 08:54:17,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 08:54:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:17,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:54:17,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,582 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624488831] [2019-10-22 08:54:17,901 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:17,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-10-22 08:54:17,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135302207] [2019-10-22 08:54:17,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:54:17,902 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:17,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:17,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:17,903 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 6 states. [2019-10-22 08:54:18,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:18,035 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-10-22 08:54:18,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:54:18,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-10-22 08:54:18,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:18,039 INFO L225 Difference]: With dead ends: 34 [2019-10-22 08:54:18,039 INFO L226 Difference]: Without dead ends: 22 [2019-10-22 08:54:18,040 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:18,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-22 08:54:18,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-22 08:54:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 08:54:18,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-10-22 08:54:18,044 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2019-10-22 08:54:18,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:18,045 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-10-22 08:54:18,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:54:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-10-22 08:54:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:54:18,046 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:18,046 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:18,246 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:54:18,247 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:18,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:18,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1572128049, now seen corresponding path program 1 times [2019-10-22 08:54:18,247 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:18,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807158672] [2019-10-22 08:54:18,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-10-22 08:54:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 08:54:18,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,363 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,408 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807158672] [2019-10-22 08:54:18,408 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:18,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 08:54:18,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126688414] [2019-10-22 08:54:18,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:18,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:18,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:18,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:18,410 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2019-10-22 08:54:18,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:18,518 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-10-22 08:54:18,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:18,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-10-22 08:54:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:18,522 INFO L225 Difference]: With dead ends: 34 [2019-10-22 08:54:18,522 INFO L226 Difference]: Without dead ends: 22 [2019-10-22 08:54:18,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:54:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-22 08:54:18,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-22 08:54:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 08:54:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-10-22 08:54:18,530 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2019-10-22 08:54:18,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:18,530 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-10-22 08:54:18,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-10-22 08:54:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:54:18,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:18,531 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:18,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 08:54:18,732 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:18,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:18,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1913492621, now seen corresponding path program 1 times [2019-10-22 08:54:18,732 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:18,733 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932586328] [2019-10-22 08:54:18,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-10-22 08:54:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:18,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 08:54:18,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,875 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:18,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:18,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932586328] [2019-10-22 08:54:18,958 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:18,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-10-22 08:54:18,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413347390] [2019-10-22 08:54:18,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:54:18,959 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:18,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:54:18,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:18,959 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 9 states. [2019-10-22 08:54:19,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:19,104 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-10-22 08:54:19,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:19,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-10-22 08:54:19,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:19,105 INFO L225 Difference]: With dead ends: 25 [2019-10-22 08:54:19,106 INFO L226 Difference]: Without dead ends: 22 [2019-10-22 08:54:19,106 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:54:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-22 08:54:19,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-22 08:54:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 08:54:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-10-22 08:54:19,110 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2019-10-22 08:54:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:19,110 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-10-22 08:54:19,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:54:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-10-22 08:54:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:54:19,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:19,112 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:19,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-10-22 08:54:19,315 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:19,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:19,315 INFO L82 PathProgramCache]: Analyzing trace with hash 805440418, now seen corresponding path program 1 times [2019-10-22 08:54:19,316 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:19,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905976357] [2019-10-22 08:54:19,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-10-22 08:54:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:19,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-22 08:54:19,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:19,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:19,497 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:19,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:19,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905976357] [2019-10-22 08:54:19,751 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:19,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-10-22 08:54:19,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421854689] [2019-10-22 08:54:19,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-22 08:54:19,752 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:19,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-22 08:54:19,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:54:19,753 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 16 states. [2019-10-22 08:54:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,020 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-22 08:54:20,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:54:20,020 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-10-22 08:54:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,021 INFO L225 Difference]: With dead ends: 22 [2019-10-22 08:54:20,021 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:20,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-10-22 08:54:20,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:20,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:20,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-10-22 08:54:20,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,023 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:20,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-22 08:54:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:20,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:20,224 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-10-22 08:54:20,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:20,453 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-10-22 08:54:20,453 INFO L446 ceAbstractionStarter]: At program point L85(lines 68 86) the Hoare annotation is: true [2019-10-22 08:54:20,453 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-22 08:54:20,453 INFO L443 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-10-22 08:54:20,453 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L439 ceAbstractionStarter]: At program point L65(lines 56 66) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-10-22 08:54:20,454 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-10-22 08:54:20,455 INFO L439 ceAbstractionStarter]: At program point L53(lines 13 54) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2019-10-22 08:54:20,455 INFO L443 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-10-22 08:54:20,455 INFO L439 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))) [2019-10-22 08:54:20,455 INFO L443 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-10-22 08:54:20,455 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-10-22 08:54:20,456 INFO L439 ceAbstractionStarter]: At program point L59-2(lines 59 63) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_ceil~0) (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2019-10-22 08:54:20,456 INFO L443 ceAbstractionStarter]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-10-22 08:54:20,457 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-22 08:54:20,457 INFO L443 ceAbstractionStarter]: For program point L80-2(lines 80 83) no Hoare annotation was computed. [2019-10-22 08:54:20,457 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-10-22 08:54:20,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,490 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:20 BoogieIcfgContainer [2019-10-22 08:54:20,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:20,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:20,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:20,495 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:20,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:16" (3/4) ... [2019-10-22 08:54:20,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:54:20,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-10-22 08:54:20,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 08:54:20,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2019-10-22 08:54:20,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2019-10-22 08:54:20,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2019-10-22 08:54:20,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_724ebb30-87ff-4b28-9b8b-4386755d28ae/bin/uautomizer/witness.graphml [2019-10-22 08:54:20,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:20,566 INFO L168 Benchmark]: Toolchain (without parser) took 5299.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 953.7 MB in the beginning and 900.8 MB in the end (delta: 52.9 MB). Peak memory consumption was 232.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,566 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:20,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.02 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 937.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,568 INFO L168 Benchmark]: Boogie Preprocessor took 38.02 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,568 INFO L168 Benchmark]: RCFGBuilder took 603.48 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,568 INFO L168 Benchmark]: TraceAbstraction took 4197.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.0 MB in the end (delta: 237.7 MB). Peak memory consumption was 237.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,569 INFO L168 Benchmark]: Witness Printer took 69.75 ms. Allocated memory is still 1.2 GB. Free memory was 907.0 MB in the beginning and 900.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,571 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.02 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 937.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.02 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 603.48 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4197.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.0 MB in the end (delta: 237.7 MB). Peak memory consumption was 237.7 MB. Max. memory is 11.5 GB. * Witness Printer took 69.75 ms. Allocated memory is still 1.2 GB. Free memory was 907.0 MB in the beginning and 900.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: 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: 13]: Loop Invariant [2019-10-22 08:54:20,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] Derived loop invariant: ((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant [2019-10-22 08:54:20,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] Derived loop invariant: (((((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2019-10-22 08:54:20,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 59]: Loop Invariant [2019-10-22 08:54:20,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:54:20,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-10-22 08:54:20,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] Derived loop invariant: (((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 111 SDtfs, 348 SDslu, 118 SDs, 0 SdLazy, 135 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 127 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 215 HoareAnnotationTreeSize, 5 FomulaSimplifications, 195 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 170 ConstructedInterpolants, 22 QuantifiedInterpolants, 16794 SizeOfPredicates, 39 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...