./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57828c11c74ba018eaf70a217208a01187285749 ..................................................................................................................................................................................................................................................................................................................................................................... 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_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57828c11c74ba018eaf70a217208a01187285749 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:29:01,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:29:01,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:29:01,336 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:29:01,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:29:01,337 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:29:01,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:29:01,339 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:29:01,340 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:29:01,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:29:01,341 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:29:01,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:29:01,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:29:01,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:29:01,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:29:01,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:29:01,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:29:01,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:29:01,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:29:01,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:29:01,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:29:01,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:29:01,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:29:01,350 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:29:01,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:29:01,351 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:29:01,352 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:29:01,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:29:01,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:29:01,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:29:01,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:29:01,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:29:01,354 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:29:01,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:29:01,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:29:01,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:29:01,356 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:29:01,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:29:01,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:29:01,365 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:29:01,366 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:29:01,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:29:01,366 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:29:01,366 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:29:01,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:29:01,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:29:01,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:29:01,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:29:01,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:29:01,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:29:01,369 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:29:01,369 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:29:01,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:29:01,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:29:01,369 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_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57828c11c74ba018eaf70a217208a01187285749 [2018-11-23 06:29:01,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:29:01,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:29:01,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:29:01,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:29:01,403 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:29:01,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i [2018-11-23 06:29:01,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/fa6c011e7/594f9bb0b554438da5cc3fe601a405ee/FLAG0a6d98e32 [2018-11-23 06:29:01,755 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:29:01,755 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i [2018-11-23 06:29:01,760 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/fa6c011e7/594f9bb0b554438da5cc3fe601a405ee/FLAG0a6d98e32 [2018-11-23 06:29:01,771 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/fa6c011e7/594f9bb0b554438da5cc3fe601a405ee [2018-11-23 06:29:01,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:29:01,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:29:01,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:29:01,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:29:01,778 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:29:01,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ba3827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01, skipping insertion in model container [2018-11-23 06:29:01,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:29:01,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:29:01,924 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:29:01,926 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:29:01,935 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:29:01,943 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:29:01,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01 WrapperNode [2018-11-23 06:29:01,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:29:01,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:29:01,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:29:01,944 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:29:01,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:29:01,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:29:01,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:29:01,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:29:01,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... [2018-11-23 06:29:01,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:29:01,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:29:01,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:29:01,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:29:01,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:29:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:29:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:29:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:29:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:29:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:29:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:29:02,109 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:29:02,110 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 06:29:02,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:02 BoogieIcfgContainer [2018-11-23 06:29:02,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:29:02,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:29:02,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:29:02,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:29:02,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:29:01" (1/3) ... [2018-11-23 06:29:02,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe3e9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:02, skipping insertion in model container [2018-11-23 06:29:02,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:01" (2/3) ... [2018-11-23 06:29:02,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe3e9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:02, skipping insertion in model container [2018-11-23 06:29:02,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:02" (3/3) ... [2018-11-23 06:29:02,116 INFO L112 eAbstractionObserver]: Analyzing ICFG square_3_false-unreach-call_true-termination.i [2018-11-23 06:29:02,122 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:29:02,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:29:02,137 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:29:02,163 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:29:02,163 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:29:02,163 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:29:02,163 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:29:02,164 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:29:02,164 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:29:02,164 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:29:02,164 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:29:02,164 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:29:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-23 06:29:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:29:02,180 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:02,181 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:29:02,182 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:02,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:02,187 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-23 06:29:02,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:02,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:02,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:02,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:02,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:29:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:29:02,256 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #16#return; [?] CALL call #t~ret2 := main(); [?] ~IN~0 := #t~nondet1;havoc #t~nondet1;assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0);~x~0 := ~IN~0;~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] assume !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] assume !false; VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14-L15] assume !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)); VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14-L15] assume !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)); VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39843)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0, x=0] [L14] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=0, x=0] [L15] __VERIFIER_error() VAL [IN=0, x=0] ----- [2018-11-23 06:29:02,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:29:02 BoogieIcfgContainer [2018-11-23 06:29:02,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:29:02,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:29:02,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:29:02,277 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:29:02,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:02" (3/4) ... [2018-11-23 06:29:02,281 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:29:02,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:29:02,282 INFO L168 Benchmark]: Toolchain (without parser) took 507.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:29:02,283 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:29:02,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.85 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:02,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:02,285 INFO L168 Benchmark]: Boogie Preprocessor took 10.54 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:29:02,285 INFO L168 Benchmark]: RCFGBuilder took 141.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:02,286 INFO L168 Benchmark]: TraceAbstraction took 166.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:02,286 INFO L168 Benchmark]: Witness Printer took 4.13 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. [2018-11-23 06:29:02,289 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.85 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.54 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 141.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.13 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: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 12. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0, x=0] [L14] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=0, x=0] [L15] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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-aa41828 [2018-11-23 06:29:03,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:29:03,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:29:03,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:29:03,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:29:03,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:29:03,711 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:29:03,712 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:29:03,713 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:29:03,714 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:29:03,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:29:03,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:29:03,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:29:03,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:29:03,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:29:03,717 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:29:03,718 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:29:03,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:29:03,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:29:03,721 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:29:03,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:29:03,723 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:29:03,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:29:03,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:29:03,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:29:03,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:29:03,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:29:03,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:29:03,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:29:03,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:29:03,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:29:03,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:29:03,728 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:29:03,729 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:29:03,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:29:03,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:29:03,730 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 06:29:03,741 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:29:03,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:29:03,741 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:29:03,742 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:29:03,742 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:29:03,742 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:29:03,742 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:29:03,742 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:29:03,743 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:29:03,744 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:29:03,744 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:29:03,745 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:29:03,745 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:29:03,745 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:29:03,745 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 06:29:03,745 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:29:03,745 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:29:03,745 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:29:03,746 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_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57828c11c74ba018eaf70a217208a01187285749 [2018-11-23 06:29:03,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:29:03,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:29:03,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:29:03,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:29:03,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:29:03,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i [2018-11-23 06:29:03,820 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/05d561271/01e7b12bf64f48eb931148a7ecd593df/FLAG49fb770bc [2018-11-23 06:29:04,209 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:29:04,209 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/sv-benchmarks/c/floats-cdfpl/square_3_false-unreach-call_true-termination.i [2018-11-23 06:29:04,212 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/05d561271/01e7b12bf64f48eb931148a7ecd593df/FLAG49fb770bc [2018-11-23 06:29:04,220 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/data/05d561271/01e7b12bf64f48eb931148a7ecd593df [2018-11-23 06:29:04,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:29:04,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:29:04,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:29:04,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:29:04,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:29:04,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665ef8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04, skipping insertion in model container [2018-11-23 06:29:04,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:29:04,250 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:29:04,373 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:29:04,378 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:29:04,389 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:29:04,398 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:29:04,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04 WrapperNode [2018-11-23 06:29:04,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:29:04,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:29:04,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:29:04,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:29:04,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:29:04,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:29:04,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:29:04,413 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:29:04,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... [2018-11-23 06:29:04,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:29:04,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:29:04,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:29:04,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:29:04,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:29:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:29:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:29:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:29:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:29:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:29:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:29:06,648 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:29:06,649 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 06:29:06,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:06 BoogieIcfgContainer [2018-11-23 06:29:06,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:29:06,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:29:06,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:29:06,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:29:06,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:29:04" (1/3) ... [2018-11-23 06:29:06,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143cf299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:06, skipping insertion in model container [2018-11-23 06:29:06,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:04" (2/3) ... [2018-11-23 06:29:06,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143cf299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:06, skipping insertion in model container [2018-11-23 06:29:06,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:06" (3/3) ... [2018-11-23 06:29:06,655 INFO L112 eAbstractionObserver]: Analyzing ICFG square_3_false-unreach-call_true-termination.i [2018-11-23 06:29:06,661 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:29:06,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:29:06,674 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:29:06,692 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:29:06,693 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:29:06,693 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:29:06,693 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:29:06,693 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:29:06,693 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:29:06,693 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:29:06,694 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:29:06,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:29:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-23 06:29:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:29:06,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:06,709 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:29:06,711 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:06,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:06,715 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-23 06:29:06,717 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:29:06,717 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 06:29:06,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:32:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:32:07,089 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #16#return; [?] CALL call #t~ret2 := main(); [?] ~IN~0 := #t~nondet1;havoc #t~nondet1;assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32);~x~0 := ~IN~0;~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111111), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111111)] [?] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111111), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111111)] [?] assume !false; VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111111), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111111)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L14] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L15] __VERIFIER_error() VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] ----- [2018-11-23 06:32:07,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:32:07 BoogieIcfgContainer [2018-11-23 06:32:07,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:32:07,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:32:07,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:32:07,120 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:32:07,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:06" (3/4) ... [2018-11-23 06:32:07,124 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #16#return; [?] CALL call #t~ret2 := main(); [?] ~IN~0 := #t~nondet1;havoc #t~nondet1;assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32);~x~0 := ~IN~0;~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111111), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111111)] [?] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111111), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111111)] [?] assume !false; VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111111), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111111)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.39843))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388607bv23)] [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L14] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L15] __VERIFIER_error() VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] ----- [2018-11-23 06:32:07,156 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c234092-3fc8-4d08-9d3b-fe450b772405/bin-2019/uautomizer/witness.graphml [2018-11-23 06:32:07,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:32:07,157 INFO L168 Benchmark]: Toolchain (without parser) took 182933.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:32:07,158 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-23 06:32:07,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:32:07,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.70 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:32:07,159 INFO L168 Benchmark]: Boogie Preprocessor took 15.62 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:32:07,159 INFO L168 Benchmark]: RCFGBuilder took 2220.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:32:07,160 INFO L168 Benchmark]: TraceAbstraction took 180469.59 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:32:07,160 INFO L168 Benchmark]: Witness Printer took 36.68 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. [2018-11-23 06:32:07,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 175.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.70 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.62 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2220.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 180469.59 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.68 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: - CounterExampleResult [Line: 15]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L14] COND TRUE !(result >= 0.0f && result < 1.39843f) VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] [L15] __VERIFIER_error() VAL [IN=0.9999999403953552, result=1.3984375, x=0.9999999403953552] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 180.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 162.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...