./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ba8be438fdf209735f867af41e44939ec8afdc4 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ba8be438fdf209735f867af41e44939ec8afdc4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:19:46,859 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:19:46,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:19:46,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:19:46,869 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:19:46,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:19:46,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:19:46,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:19:46,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:19:46,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:19:46,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:19:46,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:19:46,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:19:46,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:19:46,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:19:46,879 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:19:46,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:19:46,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:19:46,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:19:46,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:19:46,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:19:46,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:19:46,887 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:19:46,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:19:46,888 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:19:46,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:19:46,889 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:19:46,890 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:19:46,891 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:19:46,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:19:46,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:19:46,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:19:46,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:19:46,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:19:46,898 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:19:46,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:19:46,898 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:19:46,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:19:46,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:19:46,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:19:46,909 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:19:46,909 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:19:46,909 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:19:46,909 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:19:46,909 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:19:46,909 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:19:46,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:19:46,910 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:19:46,910 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:19:46,910 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:19:46,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:19:46,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:19:46,912 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:19:46,912 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:19:46,912 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:19:46,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:19:46,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:19:46,912 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:19:46,912 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:19:46,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:19:46,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:19:46,913 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:19:46,913 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:19:46,913 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:19:46,913 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:19:46,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:19:46,914 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:19:46,914 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan 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 -> Taipan 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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-11-18 16:19:46,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:19:46,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:19:46,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:19:46,966 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:19:46,966 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:19:46,967 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-18 16:19:47,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/49d295931/345958f45e1b4f1f9db60e83eb0db863/FLAG9ecc895c2 [2018-11-18 16:19:47,362 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:19:47,363 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-18 16:19:47,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/49d295931/345958f45e1b4f1f9db60e83eb0db863/FLAG9ecc895c2 [2018-11-18 16:19:47,378 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/49d295931/345958f45e1b4f1f9db60e83eb0db863 [2018-11-18 16:19:47,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:19:47,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:19:47,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:19:47,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:19:47,385 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:19:47,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e93c8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47, skipping insertion in model container [2018-11-18 16:19:47,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:19:47,422 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:19:47,589 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:19:47,595 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:19:47,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:19:47,640 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:19:47,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47 WrapperNode [2018-11-18 16:19:47,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:19:47,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:19:47,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:19:47,641 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:19:47,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:19:47,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:19:47,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:19:47,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:19:47,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... [2018-11-18 16:19:47,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:19:47,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:19:47,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:19:47,742 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:19:47,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:19:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-18 16:19:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-18 16:19:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:19:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:19:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 16:19:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:19:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 16:19:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 16:19:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 16:19:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:19:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:19:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 16:19:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:19:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:19:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:19:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:19:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:19:48,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:19:48,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:19:48 BoogieIcfgContainer [2018-11-18 16:19:48,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:19:48,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:19:48,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:19:48,099 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:19:48,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:19:47" (1/3) ... [2018-11-18 16:19:48,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a08661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:19:48, skipping insertion in model container [2018-11-18 16:19:48,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:47" (2/3) ... [2018-11-18 16:19:48,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a08661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:19:48, skipping insertion in model container [2018-11-18 16:19:48,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:19:48" (3/3) ... [2018-11-18 16:19:48,102 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-11-18 16:19:48,110 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:19:48,119 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:19:48,131 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:19:48,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:19:48,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:19:48,154 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:19:48,155 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:19:48,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:19:48,155 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:19:48,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:19:48,155 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:19:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-11-18 16:19:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 16:19:48,173 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:19:48,174 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:19:48,176 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:19:48,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:19:48,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1235954097, now seen corresponding path program 1 times [2018-11-18 16:19:48,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:19:48,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:19:48,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:19:48,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:19:48,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:19:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:19:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:19:48,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:19:48,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:19:48,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:19:48,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:19:48,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:19:48,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:19:48,374 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-11-18 16:19:48,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:19:48,395 INFO L93 Difference]: Finished difference Result 98 states and 145 transitions. [2018-11-18 16:19:48,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:19:48,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-18 16:19:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:19:48,405 INFO L225 Difference]: With dead ends: 98 [2018-11-18 16:19:48,405 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 16:19:48,410 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:19:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 16:19:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-18 16:19:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-18 16:19:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-11-18 16:19:48,445 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 23 [2018-11-18 16:19:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:19:48,445 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-11-18 16:19:48,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:19:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-11-18 16:19:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 16:19:48,446 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:19:48,446 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:19:48,446 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:19:48,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:19:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1380381407, now seen corresponding path program 1 times [2018-11-18 16:19:48,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:19:48,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:19:48,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:19:48,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:19:48,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:19:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:19:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:19:48,618 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:19:48,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:19:48 BoogieIcfgContainer [2018-11-18 16:19:48,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:19:48,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:19:48,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:19:48,656 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:19:48,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:19:48" (3/4) ... [2018-11-18 16:19:48,659 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:19:48,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:19:48,660 INFO L168 Benchmark]: Toolchain (without parser) took 1279.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 960.8 MB in the beginning and 1.1 GB in the end (delta: -129.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:19:48,661 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:19:48,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.73 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 943.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:19:48,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.6 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:19:48,663 INFO L168 Benchmark]: Boogie Preprocessor took 29.07 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:19:48,663 INFO L168 Benchmark]: RCFGBuilder took 353.80 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:19:48,663 INFO L168 Benchmark]: TraceAbstraction took 558.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:19:48,664 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:19:48,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.73 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 943.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.6 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.07 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 353.80 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 558.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 50, overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=2147483674, \old(halF_exp)=2147483653, \old(huge_exp)=2147483666, \old(invln2_exp)=2147483650, \old(ln2HI_exp)=2147483672, \old(ln2HI_exp)=2147483648, \old(ln2LO_exp)=2147483657, \old(ln2LO_exp)=2147483673, \old(one_exp)=2147483662, \old(P1_exp)=2147483652, \old(P2_exp)=2147483654, \old(P3_exp)=2147483659, \old(P4_exp)=2147483661, \old(P5_exp)=2147483660, \old(twom100_exp)=2147483649, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] float x = 1.0f / 0.0f; VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=2147483668, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=2147483668, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] [L42] FCALL ieee_float_shape_type gf_u; [L43] FCALL gf_u.value = (x) [L44] EXPR, FCALL gf_u.word [L44] (sx) = gf_u.word [L45] COND FALSE !(0) VAL [\old(x)=2147483668, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=2147483668, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=2147483668, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] [L131] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=2147483667, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] [L131] float res = __ieee754_expf(x); [L134] CALL, EXPR isinf_float(res) VAL [\old(x)=2147483667, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L113] __int32_t ix; VAL [\old(x)=2147483667, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483667] [L115] FCALL ieee_float_shape_type gf_u; [L116] FCALL gf_u.value = (x) [L117] EXPR, FCALL gf_u.word [L117] (ix) = gf_u.word [L118] COND FALSE !(0) VAL [\old(x)=2147483667, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=2147483647, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483667] [L119] ix &= 0x7fffffff [L120] RET return ((ix) == 0x7f800000L); VAL [\old(x)=2147483667, \result=0, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=0, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483667] [L134] EXPR isinf_float(res) VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isinf_float(res)=0, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=2147483667, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] [L134] COND TRUE !isinf_float(res) [L135] __VERIFIER_error() VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={2147483671:0}, ln2LO_exp={2147483658:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=2147483667, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2147483668] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 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=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 16:19:50,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:19:50,334 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:19:50,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:19:50,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:19:50,345 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:19:50,346 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:19:50,347 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:19:50,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:19:50,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:19:50,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:19:50,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:19:50,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:19:50,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:19:50,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:19:50,358 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:19:50,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:19:50,360 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:19:50,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:19:50,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:19:50,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:19:50,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:19:50,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:19:50,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:19:50,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:19:50,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:19:50,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:19:50,381 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:19:50,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:19:50,382 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:19:50,382 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:19:50,383 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:19:50,383 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:19:50,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:19:50,384 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:19:50,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:19:50,385 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 16:19:50,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:19:50,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:19:50,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:19:50,399 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:19:50,400 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:19:50,400 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:19:50,400 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:19:50,400 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:19:50,400 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:19:50,400 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:19:50,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:19:50,401 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:19:50,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:19:50,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:19:50,402 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:19:50,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:19:50,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:19:50,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:19:50,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:19:50,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:19:50,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:19:50,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:19:50,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:19:50,404 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:19:50,404 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:19:50,405 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:19:50,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:19:50,405 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:19:50,405 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:19:50,406 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan 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 -> Taipan 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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-11-18 16:19:50,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:19:50,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:19:50,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:19:50,457 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:19:50,457 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:19:50,458 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-18 16:19:50,505 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/0e7fec823/15ef0f1787364c8f9db8ba1fb2495818/FLAG1ddbcdef9 [2018-11-18 16:19:50,884 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:19:50,885 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-11-18 16:19:50,891 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/0e7fec823/15ef0f1787364c8f9db8ba1fb2495818/FLAG1ddbcdef9 [2018-11-18 16:19:50,903 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/data/0e7fec823/15ef0f1787364c8f9db8ba1fb2495818 [2018-11-18 16:19:50,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:19:50,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:19:50,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:19:50,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:19:50,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:19:50,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:19:50" (1/1) ... [2018-11-18 16:19:50,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2435740f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:50, skipping insertion in model container [2018-11-18 16:19:50,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:19:50" (1/1) ... [2018-11-18 16:19:50,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:19:50,944 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:19:51,131 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:19:51,140 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:19:51,184 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:19:51,208 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:19:51,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51 WrapperNode [2018-11-18 16:19:51,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:19:51,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:19:51,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:19:51,209 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:19:51,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:19:51,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:19:51,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:19:51,234 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:19:51,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... [2018-11-18 16:19:51,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:19:51,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:19:51,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:19:51,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:19:51,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:19:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-18 16:19:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-18 16:19:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:19:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:19:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 16:19:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 16:19:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 16:19:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:19:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:19:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:19:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:19:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 16:19:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:19:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:19:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 16:19:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:19:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:19:51,585 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:20:00,460 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:20:00,506 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:20:00,686 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 16:20:00,743 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:20:00,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:20:00 BoogieIcfgContainer [2018-11-18 16:20:00,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:20:00,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:20:00,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:20:00,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:20:00,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:19:50" (1/3) ... [2018-11-18 16:20:00,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d15fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:20:00, skipping insertion in model container [2018-11-18 16:20:00,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:19:51" (2/3) ... [2018-11-18 16:20:00,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d15fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:20:00, skipping insertion in model container [2018-11-18 16:20:00,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:20:00" (3/3) ... [2018-11-18 16:20:00,747 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-11-18 16:20:00,754 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:20:00,760 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:20:00,769 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:20:00,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:20:00,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:20:00,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:20:00,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:20:00,792 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:20:00,792 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:20:00,792 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:20:00,792 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:20:00,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:20:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-18 16:20:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:20:00,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:20:00,812 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:20:00,815 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:20:00,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:20:00,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1549808185, now seen corresponding path program 1 times [2018-11-18 16:20:00,823 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:20:00,824 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 16:20:00,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:20:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:20:00,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:20:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:20:00,970 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:20:00,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:20:00,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:20:00,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:20:00,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:20:01,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:20:01,006 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-11-18 16:20:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:20:01,032 INFO L93 Difference]: Finished difference Result 96 states and 143 transitions. [2018-11-18 16:20:01,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:20:01,033 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 16:20:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:20:01,044 INFO L225 Difference]: With dead ends: 96 [2018-11-18 16:20:01,045 INFO L226 Difference]: Without dead ends: 48 [2018-11-18 16:20:01,048 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:20:01,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-18 16:20:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-18 16:20:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 16:20:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-11-18 16:20:01,083 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 22 [2018-11-18 16:20:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:20:01,083 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-11-18 16:20:01,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:20:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-11-18 16:20:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:20:01,085 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:20:01,085 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:20:01,085 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:20:01,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:20:01,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1031160469, now seen corresponding path program 1 times [2018-11-18 16:20:01,087 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:20:01,087 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 16:20:01,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:20:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:20:01,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:20:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:20:01,353 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:20:01,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:20:01,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:20:01,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:20:01,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:20:01,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:20:01,364 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 7 states. [2018-11-18 16:20:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:20:10,950 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-11-18 16:20:11,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:20:11,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-18 16:20:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:20:11,021 INFO L225 Difference]: With dead ends: 66 [2018-11-18 16:20:11,021 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 16:20:11,022 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:20:11,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 16:20:11,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-11-18 16:20:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 16:20:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-11-18 16:20:11,027 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 24 [2018-11-18 16:20:11,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:20:11,027 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-11-18 16:20:11,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:20:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-18 16:20:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 16:20:11,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:20:11,029 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:20:11,029 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:20:11,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:20:11,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1931790151, now seen corresponding path program 1 times [2018-11-18 16:20:11,029 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:20:11,029 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 16:20:11,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:20:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:20:11,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:20:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:20:11,363 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:20:11,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:20:11,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:20:11,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:20:11,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:20:11,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:20:11,377 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 7 states. [2018-11-18 16:20:21,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:20:21,235 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-11-18 16:20:21,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:20:21,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-18 16:20:21,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:20:21,304 INFO L225 Difference]: With dead ends: 66 [2018-11-18 16:20:21,304 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 16:20:21,304 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:20:21,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 16:20:21,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-11-18 16:20:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 16:20:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-11-18 16:20:21,308 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 26 [2018-11-18 16:20:21,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:20:21,309 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-11-18 16:20:21,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:20:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-11-18 16:20:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 16:20:21,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:20:21,310 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:20:21,310 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:20:21,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:20:21,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1078759629, now seen corresponding path program 1 times [2018-11-18 16:20:21,311 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:20:21,311 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 16:20:21,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:20:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:20:21,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:20:22,019 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-18 16:20:24,551 WARN L180 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 16:20:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:20:28,767 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:20:28,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:20:28,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 16:20:28,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 16:20:28,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 16:20:28,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:20:28,783 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 12 states. [2018-11-18 16:20:32,068 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 16:20:35,499 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-18 16:20:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:20:51,780 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-11-18 16:20:51,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 16:20:51,781 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-18 16:20:51,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:20:51,782 INFO L225 Difference]: With dead ends: 60 [2018-11-18 16:20:51,782 INFO L226 Difference]: Without dead ends: 52 [2018-11-18 16:20:51,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:20:51,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-18 16:20:51,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-11-18 16:20:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 16:20:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2018-11-18 16:20:51,791 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 27 [2018-11-18 16:20:51,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:20:51,792 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2018-11-18 16:20:51,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 16:20:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2018-11-18 16:20:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 16:20:51,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:20:51,793 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:20:51,793 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:20:51,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:20:51,793 INFO L82 PathProgramCache]: Analyzing trace with hash -2089876879, now seen corresponding path program 1 times [2018-11-18 16:20:51,794 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:20:51,794 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 16:20:51,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:20:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:20:51,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:20:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:20:51,977 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:20:51,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:20:51,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:20:51,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:20:51,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:20:51,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:20:51,986 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 7 states. [2018-11-18 16:21:00,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:00,642 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-11-18 16:21:00,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:21:00,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-18 16:21:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:21:00,709 INFO L225 Difference]: With dead ends: 64 [2018-11-18 16:21:00,709 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 16:21:00,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:21:00,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 16:21:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-11-18 16:21:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 16:21:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-11-18 16:21:00,714 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27 [2018-11-18 16:21:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:21:00,714 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-11-18 16:21:00,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:21:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-18 16:21:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 16:21:00,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:21:00,715 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:00,716 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:21:00,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:00,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1532772793, now seen corresponding path program 1 times [2018-11-18 16:21:00,717 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:21:00,717 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 16:21:00,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:21:01,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:21:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:21:01,679 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:21:01,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:21:01,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:21:01,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:21:01,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:21:01,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:21:01,703 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 7 states. [2018-11-18 16:21:10,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:10,932 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2018-11-18 16:21:11,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:21:11,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-18 16:21:11,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:21:11,003 INFO L225 Difference]: With dead ends: 74 [2018-11-18 16:21:11,003 INFO L226 Difference]: Without dead ends: 44 [2018-11-18 16:21:11,004 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:21:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-18 16:21:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-18 16:21:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-18 16:21:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2018-11-18 16:21:11,006 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 31 [2018-11-18 16:21:11,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:21:11,007 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2018-11-18 16:21:11,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:21:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-11-18 16:21:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 16:21:11,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:21:11,007 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:11,008 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:21:11,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:11,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1701820030, now seen corresponding path program 1 times [2018-11-18 16:21:11,008 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 16:21:11,008 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 16:21:11,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:21:12,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:21:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:21:12,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:21:12,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:21:12,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:21:12,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:21:12,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:21:12,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:21:12,290 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 7 states. [2018-11-18 16:21:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:19,999 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-11-18 16:21:20,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:21:20,065 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-11-18 16:21:20,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:21:20,066 INFO L225 Difference]: With dead ends: 44 [2018-11-18 16:21:20,066 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:21:20,067 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:21:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:21:20,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:21:20,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:21:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:21:20,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-18 16:21:20,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:21:20,068 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:21:20,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:21:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:21:20,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:21:20,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:21:20,200 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 16:21:20,200 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-18 16:21:20,200 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-18 16:21:20,200 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-18 16:21:20,200 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-18 16:21:20,201 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-18 16:21:20,202 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) [2018-11-18 16:21:20,203 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2018-11-18 16:21:20,203 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 112 121) the Hoare annotation is: true [2018-11-18 16:21:20,204 INFO L421 ceAbstractionStarter]: At program point L114-3(lines 114 118) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-18 16:21:20,204 INFO L425 ceAbstractionStarter]: For program point L114-4(lines 114 118) no Hoare annotation was computed. [2018-11-18 16:21:20,204 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 112 121) no Hoare annotation was computed. [2018-11-18 16:21:20,204 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 112 121) no Hoare annotation was computed. [2018-11-18 16:21:20,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:21:20,204 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:21:20,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:21:20,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:21:20,204 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:21:20,204 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:21:20,205 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:21:20,205 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 123 140) the Hoare annotation is: true [2018-11-18 16:21:20,205 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 123 140) no Hoare annotation was computed. [2018-11-18 16:21:20,205 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2018-11-18 16:21:20,205 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 123 140) no Hoare annotation was computed. [2018-11-18 16:21:20,205 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 16:21:20,205 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~x~0 .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) main_~res~0))) [2018-11-18 16:21:20,205 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 137) no Hoare annotation was computed. [2018-11-18 16:21:20,206 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-18 16:21:20,206 INFO L425 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-11-18 16:21:20,210 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,210 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,211 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,211 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,216 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,217 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,217 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,217 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,218 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,219 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,219 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,219 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,219 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,219 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,220 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,220 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:21:20 BoogieIcfgContainer [2018-11-18 16:21:20,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:21:20,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:21:20,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:21:20,222 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:21:20,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:20:00" (3/4) ... [2018-11-18 16:21:20,235 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:21:20,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-18 16:21:20,244 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 16:21:20,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:21:20,245 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:21:20,250 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 16:21:20,250 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 16:21:20,251 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 16:21:20,251 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:21:20,251 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:21:20,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 16:21:20,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 16:21:20,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-11-18 16:21:20,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-11-18 16:21:20,298 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47e328e0-79f9-41b8-80ea-386343fc1e9a/bin-2019/utaipan/witness.graphml [2018-11-18 16:21:20,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:21:20,299 INFO L168 Benchmark]: Toolchain (without parser) took 89393.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 305.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:21:20,300 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:21:20,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:21:20,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.91 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:21:20,300 INFO L168 Benchmark]: Boogie Preprocessor took 105.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:21:20,301 INFO L168 Benchmark]: RCFGBuilder took 9403.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:21:20,301 INFO L168 Benchmark]: TraceAbstraction took 79478.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 791.5 MB in the end (delta: 296.5 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:21:20,301 INFO L168 Benchmark]: Witness Printer took 76.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 791.5 MB in the beginning and 1.2 GB in the end (delta: -394.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:21:20,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.10 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.91 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9403.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 79478.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 791.5 MB in the end (delta: 296.5 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 791.5 MB in the beginning and 1.2 GB in the end (delta: -394.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant [2018-11-18 16:21:20,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,310 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,311 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-11-18 16:21:20,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,312 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 16:21:20,313 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. SAFE Result, 79.4s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 68.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 284 SDtfs, 301 SDslu, 1138 SDs, 0 SdLazy, 340 SolverSat, 5 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 58.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 29 NumberOfFragments, 79 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 37 QuantifiedInterpolants, 29614 SizeOfPredicates, 25 NumberOfNonLiveVariables, 911 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...