./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/addsub_float_inexact.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a9ad6ad46925d70ccfe8113c6806757723d44310 .......................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a9ad6ad46925d70ccfe8113c6806757723d44310 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:34:49,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:49,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:49,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:49,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:49,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:49,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:49,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:49,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:49,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:49,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:49,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:49,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:49,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:49,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:49,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:49,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:49,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:49,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:49,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:49,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:49,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:49,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:49,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:49,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:49,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:49,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:49,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:49,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:49,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:49,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:49,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:49,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:49,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:49,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:49,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:49,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:49,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:49,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:49,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:49,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:49,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:34:49,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:49,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:49,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:49,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:49,250 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:49,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:49,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:49,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:34:49,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:49,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:49,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:49,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:49,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:49,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:49,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:49,254 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:49,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:49,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:49,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:49,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:49,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:49,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:49,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:49,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:49,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:49,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:34:49,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:34:49,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:49,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2019-11-27 23:34:49,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:49,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:49,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:49,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:49,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:49,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 23:34:49,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c404019a9/8c816e04e0a44f9fa9b18265de4fed8f/FLAGb57d856b9 [2019-11-27 23:34:50,185 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:50,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 23:34:50,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c404019a9/8c816e04e0a44f9fa9b18265de4fed8f/FLAGb57d856b9 [2019-11-27 23:34:50,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c404019a9/8c816e04e0a44f9fa9b18265de4fed8f [2019-11-27 23:34:50,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:34:50,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:34:50,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:50,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:34:50,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:34:50,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65cb977c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50, skipping insertion in model container [2019-11-27 23:34:50,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:34:50,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:34:50,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:50,850 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:34:50,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:50,880 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:34:50,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50 WrapperNode [2019-11-27 23:34:50,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:50,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:50,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:34:50,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:34:50,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:50,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:34:50,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:34:50,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:34:50,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... [2019-11-27 23:34:50,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:34:50,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:34:50,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:34:50,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:34:50,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:34:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:34:51,195 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:34:51,195 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:34:51,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:51 BoogieIcfgContainer [2019-11-27 23:34:51,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:34:51,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:34:51,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:34:51,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:34:51,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:34:50" (1/3) ... [2019-11-27 23:34:51,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c44df37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:51, skipping insertion in model container [2019-11-27 23:34:51,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:50" (2/3) ... [2019-11-27 23:34:51,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c44df37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:51, skipping insertion in model container [2019-11-27 23:34:51,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:51" (3/3) ... [2019-11-27 23:34:51,204 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2019-11-27 23:34:51,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:34:51,222 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:34:51,235 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:34:51,264 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:34:51,264 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:34:51,265 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:34:51,265 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:34:51,266 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:34:51,266 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:34:51,266 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:34:51,267 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:34:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-27 23:34:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-27 23:34:51,287 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:34:51,288 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-27 23:34:51,289 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:34:51,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:34:51,295 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-27 23:34:51,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:34:51,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362869371] [2019-11-27 23:34:51,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:34:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:34:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:34:51,401 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:34:51,401 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:34:51,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:34:51 BoogieIcfgContainer [2019-11-27 23:34:51,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:34:51,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:34:51,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:34:51,422 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:34:51,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:51" (3/4) ... [2019-11-27 23:34:51,428 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:34:51,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:34:51,434 INFO L168 Benchmark]: Toolchain (without parser) took 814.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:51,435 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:51,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.59 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:51,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:51,442 INFO L168 Benchmark]: Boogie Preprocessor took 19.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:51,443 INFO L168 Benchmark]: RCFGBuilder took 199.85 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:51,444 INFO L168 Benchmark]: TraceAbstraction took 222.30 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:51,445 INFO L168 Benchmark]: Witness Printer took 8.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:51,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.59 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 94.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.46 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. * RCFGBuilder took 199.85 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 222.30 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 8.37 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: 4]: 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 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:34:53,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:53,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:53,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:53,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:53,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:53,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:53,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:53,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:53,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:53,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:53,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:53,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:53,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:53,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:53,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:53,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:53,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:53,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:53,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:53,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:53,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:53,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:53,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:53,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:53,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:53,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:53,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:53,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:53,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:53,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:53,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:53,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:53,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:53,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:53,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:53,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:53,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:53,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:53,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:53,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:53,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:34:53,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:53,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:53,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:53,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:53,699 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:53,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:53,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:53,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:53,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:53,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:53,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:53,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:53,701 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:34:53,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:34:53,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:53,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:53,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:53,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:53,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:53,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:53,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:53,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:53,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:53,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:53,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:53,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:53,705 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:34:53,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:34:53,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:53,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:34:53,706 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2019-11-27 23:34:54,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:54,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:54,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:54,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:54,028 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:54,029 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 23:34:54,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0e7c817/c916b7c529544bae94fa2a95530ee026/FLAG65eae26ec [2019-11-27 23:34:54,583 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:54,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 23:34:54,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0e7c817/c916b7c529544bae94fa2a95530ee026/FLAG65eae26ec [2019-11-27 23:34:54,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0e7c817/c916b7c529544bae94fa2a95530ee026 [2019-11-27 23:34:54,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:34:54,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:34:54,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:54,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:34:54,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:34:54,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:54" (1/1) ... [2019-11-27 23:34:54,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:54, skipping insertion in model container [2019-11-27 23:34:54,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:54" (1/1) ... [2019-11-27 23:34:54,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:34:54,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:34:55,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:55,172 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:34:55,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:55,207 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:34:55,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55 WrapperNode [2019-11-27 23:34:55,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:55,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:55,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:34:55,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:34:55,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:55,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:34:55,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:34:55,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:34:55,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... [2019-11-27 23:34:55,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:34:55,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:34:55,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:34:55,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:34:55,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:34:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:34:55,750 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:34:55,750 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:34:55,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:55 BoogieIcfgContainer [2019-11-27 23:34:55,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:34:55,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:34:55,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:34:55,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:34:55,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:34:54" (1/3) ... [2019-11-27 23:34:55,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b467da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:55, skipping insertion in model container [2019-11-27 23:34:55,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:55" (2/3) ... [2019-11-27 23:34:55,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b467da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:55, skipping insertion in model container [2019-11-27 23:34:55,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:55" (3/3) ... [2019-11-27 23:34:55,759 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2019-11-27 23:34:55,768 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:34:55,774 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:34:55,787 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:34:55,812 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:34:55,812 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:34:55,813 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:34:55,813 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:34:55,813 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:34:55,813 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:34:55,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:34:55,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:34:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-27 23:34:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-27 23:34:55,832 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:34:55,833 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-27 23:34:55,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:34:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:34:55,838 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-27 23:34:55,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:34:55,848 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481925422] [2019-11-27 23:34:55,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:34:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:34:55,974 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:34:55,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:34:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:34:56,062 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:34:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:34:56,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481925422] [2019-11-27 23:34:56,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:34:56,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-27 23:34:56,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706844456] [2019-11-27 23:34:56,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:34:56,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:34:56,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:34:56,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:34:56,403 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2019-11-27 23:34:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:34:56,532 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-27 23:34:56,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:34:56,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-11-27 23:34:56,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:34:56,542 INFO L225 Difference]: With dead ends: 13 [2019-11-27 23:34:56,543 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:34:56,546 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:34:56,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:34:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:34:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:34:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:34:56,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-27 23:34:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:34:56,574 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:34:56,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:34:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:34:56,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:34:56,788 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:34:56,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:34:56,847 INFO L242 CegarLoopResult]: At program point L4-3(line 4) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:34:56,847 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:34:56,848 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:34:56,848 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:34:56,848 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:34:56,848 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-27 23:34:56,848 INFO L242 CegarLoopResult]: At program point L15(lines 6 16) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:34:56,848 INFO L246 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-27 23:34:56,848 INFO L246 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-27 23:34:56,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:56,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:56,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:56,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:56,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:34:56 BoogieIcfgContainer [2019-11-27 23:34:56,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:34:56,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:34:56,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:34:56,868 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:34:56,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:55" (3/4) ... [2019-11-27 23:34:56,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:34:56,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:34:56,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:34:56,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:34:56,929 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:34:56,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:34:56,932 INFO L168 Benchmark]: Toolchain (without parser) took 1998.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -123.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,932 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:56,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.64 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,935 INFO L168 Benchmark]: Boogie Preprocessor took 24.33 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,935 INFO L168 Benchmark]: RCFGBuilder took 427.58 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,936 INFO L168 Benchmark]: TraceAbstraction took 1114.69 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,937 INFO L168 Benchmark]: Witness Printer took 61.73 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:56,941 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.64 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 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 90.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.33 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 427.58 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1114.69 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Witness Printer took 61.73 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant [2019-11-27 23:34:56,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:56,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 4]: Loop Invariant [2019-11-27 23:34:56,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:56,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:56,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 18 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 7 NumberOfNonLiveVariables, 11 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...