./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/addsub_double_exact.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_double_exact.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 e20164d66b413fd1e6480d779b873570f1c551b2 .......................................................................................................................................................................................................................... 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_double_exact.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 e20164d66b413fd1e6480d779b873570f1c551b2 ......................................................................................................................................................................................................................................................................................................... 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 23:34:46,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:46,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:46,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:46,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:46,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:46,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:46,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:46,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:46,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:46,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:46,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:46,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:46,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:46,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:46,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:46,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:46,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:46,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:46,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:46,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:46,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:46,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:46,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:46,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:46,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:46,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:46,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:46,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:46,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:46,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:46,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:46,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:46,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:46,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:46,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:46,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:46,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:46,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:46,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:46,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:46,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:34:46,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:46,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:46,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:46,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:46,484 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:46,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:46,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:46,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:34:46,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:46,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:46,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:46,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:46,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:46,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:46,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:46,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:46,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:46,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:46,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:46,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:46,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:46,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:46,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:46,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:46,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:46,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:34:46,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:34:46,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:46,493 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 -> e20164d66b413fd1e6480d779b873570f1c551b2 [2019-11-27 23:34:46,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:46,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:46,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:46,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:46,845 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:46,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_double_exact.c [2019-11-27 23:34:46,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53705504a/e731703ced794cf9a9ee8364e565f7df/FLAGb99d53c59 [2019-11-27 23:34:47,399 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:47,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_double_exact.c [2019-11-27 23:34:47,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53705504a/e731703ced794cf9a9ee8364e565f7df/FLAGb99d53c59 [2019-11-27 23:34:47,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53705504a/e731703ced794cf9a9ee8364e565f7df [2019-11-27 23:34:47,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:34:47,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:34:47,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:47,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:34:47,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:34:47,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:47" (1/1) ... [2019-11-27 23:34:47,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1231d278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:47, skipping insertion in model container [2019-11-27 23:34:47,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:47" (1/1) ... [2019-11-27 23:34:47,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:34:47,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:34:48,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:48,026 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:34:48,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:48,061 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:34:48,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48 WrapperNode [2019-11-27 23:34:48,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:48,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:48,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:34:48,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:34:48,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:48,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:34:48,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:34:48,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:34:48,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (1/1) ... [2019-11-27 23:34:48,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:34:48,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:34:48,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:34:48,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:34:48,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (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 23:34:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:34:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:34:48,452 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:34:48,452 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:34:48,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:48 BoogieIcfgContainer [2019-11-27 23:34:48,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:34:48,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:34:48,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:34:48,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:34:48,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:34:47" (1/3) ... [2019-11-27 23:34:48,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1ac988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:48, skipping insertion in model container [2019-11-27 23:34:48,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:48" (2/3) ... [2019-11-27 23:34:48,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1ac988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:48, skipping insertion in model container [2019-11-27 23:34:48,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:48" (3/3) ... [2019-11-27 23:34:48,462 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_double_exact.c [2019-11-27 23:34:48,473 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:34:48,480 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:34:48,493 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:34:48,518 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:34:48,518 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:34:48,518 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:34:48,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:34:48,519 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:34:48,519 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:34:48,519 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:34:48,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:34:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-27 23:34:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-27 23:34:48,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:34:48,542 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-27 23:34:48,542 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:34:48,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:34:48,547 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-27 23:34:48,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:34:48,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066269558] [2019-11-27 23:34:48,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:34:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:34:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:34:48,651 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:34:48,652 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:34:48,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:34:48 BoogieIcfgContainer [2019-11-27 23:34:48,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:34:48,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:34:48,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:34:48,670 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:34:48,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:48" (3/4) ... [2019-11-27 23:34:48,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:34:48,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:34:48,678 INFO L168 Benchmark]: Toolchain (without parser) took 913.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -89.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:48,679 INFO L168 Benchmark]: CDTParser took 0.31 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 23:34:48,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.21 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:48,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:48,682 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:48,683 INFO L168 Benchmark]: RCFGBuilder took 272.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:48,684 INFO L168 Benchmark]: TraceAbstraction took 214.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:48,684 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:48,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 298.21 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 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 97.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 272.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 214.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 someBinaryDOUBLEComparisonOperation at line 14, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x, y, z, r; [L10] x = 1e8 [L11] y = x + 1 [L12] z = x - 1 [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 23:34:50,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:50,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:50,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:50,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:50,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:50,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:50,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:50,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:50,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:50,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:50,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:50,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:50,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:50,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:50,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:50,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:50,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:50,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:50,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:50,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:50,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:50,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:50,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:50,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:50,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:50,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:50,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:50,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:50,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:50,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:50,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:50,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:50,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:50,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:50,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:50,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:50,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:50,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:50,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:50,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:50,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:34:50,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:50,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:50,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:50,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:50,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:50,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:50,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:50,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:50,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:50,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:50,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:50,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:50,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:34:50,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:34:50,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:50,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:50,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:50,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:50,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:50,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:50,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:50,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:50,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:50,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:50,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:50,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:50,921 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:34:50,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:34:50,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:50,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:34:50,922 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 -> e20164d66b413fd1e6480d779b873570f1c551b2 [2019-11-27 23:34:51,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:51,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:51,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:51,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:51,277 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:51,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_double_exact.c [2019-11-27 23:34:51,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee803b78a/7ef0e3e3e50e4a71ad80418c7771e3e7/FLAG021679d78 [2019-11-27 23:34:51,789 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:51,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_double_exact.c [2019-11-27 23:34:51,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee803b78a/7ef0e3e3e50e4a71ad80418c7771e3e7/FLAG021679d78 [2019-11-27 23:34:52,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee803b78a/7ef0e3e3e50e4a71ad80418c7771e3e7 [2019-11-27 23:34:52,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:34:52,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:34:52,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:52,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:34:52,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:34:52,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52, skipping insertion in model container [2019-11-27 23:34:52,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:34:52,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:34:52,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:52,453 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:34:52,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:52,487 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:34:52,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52 WrapperNode [2019-11-27 23:34:52,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:52,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:52,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:34:52,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:34:52,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:52,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:34:52,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:34:52,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:34:52,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (1/1) ... [2019-11-27 23:34:52,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:34:52,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:34:52,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:34:52,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:34:52,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (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 23:34:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:34:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:34:53,552 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:34:53,552 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:34:53,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:53 BoogieIcfgContainer [2019-11-27 23:34:53,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:34:53,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:34:53,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:34:53,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:34:53,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:34:52" (1/3) ... [2019-11-27 23:34:53,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ec1be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:53, skipping insertion in model container [2019-11-27 23:34:53,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:52" (2/3) ... [2019-11-27 23:34:53,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ec1be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:53, skipping insertion in model container [2019-11-27 23:34:53,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:53" (3/3) ... [2019-11-27 23:34:53,563 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_double_exact.c [2019-11-27 23:34:53,572 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:34:53,579 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:34:53,589 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:34:53,613 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:34:53,614 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:34:53,614 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:34:53,614 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:34:53,614 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:34:53,615 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:34:53,615 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:34:53,615 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:34:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-27 23:34:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-27 23:34:53,632 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:34:53,633 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-27 23:34:53,633 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:34:53,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:34:53,638 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-27 23:34:53,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:34:53,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823806347] [2019-11-27 23:34:53,649 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 23:34:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:34:53,921 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:34:53,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:34:54,061 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 23:34:54,062 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:34:54,102 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 23:34:54,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823806347] [2019-11-27 23:34:54,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:34:54,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-27 23:34:54,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134576002] [2019-11-27 23:34:54,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:34:54,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:34:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:34:54,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:34:54,132 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 5 states. [2019-11-27 23:34:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:34:54,412 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-27 23:34:54,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:34:54,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2019-11-27 23:34:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:34:54,420 INFO L225 Difference]: With dead ends: 13 [2019-11-27 23:34:54,421 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:34:54,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:34:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:34:54,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:34:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:34:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:34:54,449 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-27 23:34:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:34:54,450 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:34:54,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:34:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:34:54,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:34:54,664 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:34:54,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:34:54,740 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 23:34:54,740 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:34:54,740 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:34:54,740 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:34:54,741 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:34:54,741 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-27 23:34:54,741 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 23:34:54,741 INFO L246 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-27 23:34:54,741 INFO L246 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-27 23:34:54,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:54,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:54,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:54,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:54,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:34:54 BoogieIcfgContainer [2019-11-27 23:34:54,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:34:54,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:34:54,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:34:54,766 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:34:54,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:53" (3/4) ... [2019-11-27 23:34:54,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:34:54,785 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:34:54,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:34:54,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:34:54,843 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:34:54,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:34:54,845 INFO L168 Benchmark]: Toolchain (without parser) took 2621.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -105.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:54,846 INFO L168 Benchmark]: CDTParser took 0.35 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 23:34:54,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.64 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:54,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:54,848 INFO L168 Benchmark]: Boogie Preprocessor took 26.19 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. [2019-11-27 23:34:54,849 INFO L168 Benchmark]: RCFGBuilder took 943.26 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:54,849 INFO L168 Benchmark]: TraceAbstraction took 1211.00 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:54,850 INFO L168 Benchmark]: Witness Printer took 77.04 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. [2019-11-27 23:34:54,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 264.64 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 94.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.19 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. * RCFGBuilder took 943.26 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1211.00 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 77.04 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. * 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 23:34:54,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:54,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,863 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 23:34:54,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:34:54,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:34:54,864 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 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...