./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: 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 /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.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 dbef25694faa90ff4d63502c2f243449da0e6c28 .......................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.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 dbef25694faa90ff4d63502c2f243449da0e6c28 .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:07:44,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:07:44,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:07:44,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:07:44,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:07:44,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:07:44,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:07:44,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:07:44,334 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:07:44,335 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:07:44,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:07:44,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:07:44,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:07:44,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:07:44,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:07:44,340 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:07:44,341 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:07:44,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:07:44,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:07:44,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:07:44,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:07:44,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:07:44,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:07:44,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:07:44,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:07:44,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:07:44,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:07:44,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:07:44,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:07:44,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:07:44,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:07:44,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:07:44,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:07:44,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:07:44,360 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:07:44,361 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:07:44,361 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:07:44,377 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:07:44,378 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:07:44,379 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:07:44,379 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:07:44,380 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:07:44,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:07:44,380 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:07:44,381 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:07:44,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:07:44,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:07:44,381 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:07:44,381 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:07:44,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:07:44,382 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:07:44,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:07:44,382 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:07:44,382 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:07:44,382 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:07:44,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:07:44,384 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:07:44,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:07:44,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:07:44,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:07:44,385 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:07:44,385 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:07:44,385 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:07:44,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:07:44,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:07:44,387 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> dbef25694faa90ff4d63502c2f243449da0e6c28 [2019-01-12 09:07:44,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:07:44,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:07:44,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:07:44,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:07:44,460 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:07:44,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.c [2019-01-12 09:07:44,541 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b5dd1f3/cbccc314101649edae9dfc3610999124/FLAG187a73df8 [2019-01-12 09:07:44,971 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:07:44,972 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.c [2019-01-12 09:07:44,978 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b5dd1f3/cbccc314101649edae9dfc3610999124/FLAG187a73df8 [2019-01-12 09:07:45,331 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b5dd1f3/cbccc314101649edae9dfc3610999124 [2019-01-12 09:07:45,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:07:45,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:07:45,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:07:45,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:07:45,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:07:45,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ee0d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45, skipping insertion in model container [2019-01-12 09:07:45,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:07:45,378 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:07:45,608 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:07:45,613 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:07:45,646 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:07:45,678 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:07:45,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45 WrapperNode [2019-01-12 09:07:45,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:07:45,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:07:45,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:07:45,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:07:45,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:07:45,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:07:45,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:07:45,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:07:45,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (1/1) ... [2019-01-12 09:07:45,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:07:45,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:07:45,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:07:45,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:07:45,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (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 [2019-01-12 09:07:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:07:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:07:46,471 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:07:46,472 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:07:46,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:46 BoogieIcfgContainer [2019-01-12 09:07:46,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:07:46,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:07:46,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:07:46,478 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:07:46,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:07:45" (1/3) ... [2019-01-12 09:07:46,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56280887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:07:46, skipping insertion in model container [2019-01-12 09:07:46,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:45" (2/3) ... [2019-01-12 09:07:46,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56280887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:07:46, skipping insertion in model container [2019-01-12 09:07:46,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:46" (3/3) ... [2019-01-12 09:07:46,483 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b_true-unreach-call.c [2019-01-12 09:07:46,494 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:07:46,503 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:07:46,521 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:07:46,553 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:07:46,554 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:07:46,554 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:07:46,554 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:07:46,555 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:07:46,555 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:07:46,555 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:07:46,556 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:07:46,556 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:07:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-01-12 09:07:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:07:46,586 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:46,587 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:46,590 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:46,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:46,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-01-12 09:07:46,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:07:46,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:07:46,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:07:46,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:46,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:07:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:46,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:46,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:07:46,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:07:46,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:07:46,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:07:46,721 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-01-12 09:07:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:46,739 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-01-12 09:07:46,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:07:46,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:07:46,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:46,752 INFO L225 Difference]: With dead ends: 36 [2019-01-12 09:07:46,753 INFO L226 Difference]: Without dead ends: 16 [2019-01-12 09:07:46,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:07:46,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-12 09:07:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-12 09:07:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-12 09:07:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-01-12 09:07:46,790 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-01-12 09:07:46,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:46,791 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-01-12 09:07:46,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:07:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-01-12 09:07:46,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:07:46,792 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:46,792 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:46,792 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:46,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-01-12 09:07:46,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:07:46,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:07:46,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:07:46,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:46,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:07:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:07:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:07:46,904 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:07:46,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:07:46 BoogieIcfgContainer [2019-01-12 09:07:46,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:07:46,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:07:46,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:07:46,930 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:07:46,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:46" (3/4) ... [2019-01-12 09:07:46,933 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:07:46,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:07:46,934 INFO L168 Benchmark]: Toolchain (without parser) took 1597.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -115.7 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:46,937 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:07:46,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.98 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:46,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.51 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:07:46,939 INFO L168 Benchmark]: Boogie Preprocessor took 111.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:46,941 INFO L168 Benchmark]: RCFGBuilder took 615.71 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:46,942 INFO L168 Benchmark]: TraceAbstraction took 454.58 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:46,943 INFO L168 Benchmark]: Witness Printer took 4.39 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. [2019-01-12 09:07:46,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.98 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 61.51 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 615.71 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 454.58 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.39 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: 52]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L47] double x = -0.0; [L26] __uint32_t high; [L28] ieee_double_shape_type gh_u; [L29] gh_u.value = (x) [L30] EXPR gh_u.parts.msw [L30] (high) = gh_u.parts.msw [L33] ieee_double_shape_type sh_u; [L34] sh_u.value = (x) [L35] sh_u.parts.msw = (high & 0x7fffffff) [L36] EXPR sh_u.value [L36] (x) = sh_u.value [L38] return x; [L48] double res = fabs_double(x); [L51] EXPR res == 0.0 && __signbit_double(res) == 0 [L51] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L52] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:07:49,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:07:49,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:07:49,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:07:49,329 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:07:49,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:07:49,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:07:49,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:07:49,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:07:49,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:07:49,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:07:49,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:07:49,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:07:49,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:07:49,342 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:07:49,343 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:07:49,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:07:49,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:07:49,348 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:07:49,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:07:49,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:07:49,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:07:49,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:07:49,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:07:49,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:07:49,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:07:49,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:07:49,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:07:49,361 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:07:49,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:07:49,363 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:07:49,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:07:49,364 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:07:49,364 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:07:49,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:07:49,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:07:49,367 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:07:49,383 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:07:49,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:07:49,385 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:07:49,385 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:07:49,385 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:07:49,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:07:49,386 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:07:49,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:07:49,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:07:49,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:07:49,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:07:49,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:07:49,387 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:07:49,388 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:07:49,389 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:07:49,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:07:49,389 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:07:49,389 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:07:49,389 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:07:49,389 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:07:49,390 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:07:49,390 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:07:49,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:07:49,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:07:49,390 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:07:49,390 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:07:49,391 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:07:49,392 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:07:49,393 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:07:49,393 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:07:49,393 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> dbef25694faa90ff4d63502c2f243449da0e6c28 [2019-01-12 09:07:49,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:07:49,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:07:49,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:07:49,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:07:49,449 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:07:49,450 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.c [2019-01-12 09:07:49,505 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4c4bda6/da80bbe1f51240ceaa041209485b822b/FLAG4291f0470 [2019-01-12 09:07:50,004 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:07:50,006 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1011b_true-unreach-call.c [2019-01-12 09:07:50,014 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4c4bda6/da80bbe1f51240ceaa041209485b822b/FLAG4291f0470 [2019-01-12 09:07:50,299 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4c4bda6/da80bbe1f51240ceaa041209485b822b [2019-01-12 09:07:50,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:07:50,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:07:50,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:07:50,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:07:50,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:07:50,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5636bad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50, skipping insertion in model container [2019-01-12 09:07:50,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:07:50,349 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:07:50,561 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:07:50,567 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:07:50,596 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:07:50,630 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:07:50,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50 WrapperNode [2019-01-12 09:07:50,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:07:50,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:07:50,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:07:50,632 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:07:50,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:07:50,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:07:50,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:07:50,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:07:50,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (1/1) ... [2019-01-12 09:07:50,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:07:50,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:07:50,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:07:50,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:07:50,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (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 [2019-01-12 09:07:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 09:07:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 09:07:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:07:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:07:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:07:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:07:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:07:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:07:51,030 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:07:51,109 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:07:51,225 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:07:51,301 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:07:51,301 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:07:51,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:51 BoogieIcfgContainer [2019-01-12 09:07:51,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:07:51,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:07:51,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:07:51,308 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:07:51,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:07:50" (1/3) ... [2019-01-12 09:07:51,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a26968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:07:51, skipping insertion in model container [2019-01-12 09:07:51,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:07:50" (2/3) ... [2019-01-12 09:07:51,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a26968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:07:51, skipping insertion in model container [2019-01-12 09:07:51,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:51" (3/3) ... [2019-01-12 09:07:51,314 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b_true-unreach-call.c [2019-01-12 09:07:51,325 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:07:51,335 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:07:51,351 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:07:51,379 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:07:51,380 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:07:51,380 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:07:51,381 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:07:51,381 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:07:51,381 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:07:51,381 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:07:51,381 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:07:51,381 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:07:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-01-12 09:07:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:07:51,398 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:51,399 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:51,402 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:51,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-01-12 09:07:51,413 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:51,413 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 09:07:51,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:51,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:51,483 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:51,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:51,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:07:51,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:07:51,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:07:51,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:07:51,519 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-01-12 09:07:51,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:51,533 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-01-12 09:07:51,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:07:51,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:07:51,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:51,543 INFO L225 Difference]: With dead ends: 36 [2019-01-12 09:07:51,543 INFO L226 Difference]: Without dead ends: 16 [2019-01-12 09:07:51,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:07:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-12 09:07:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-12 09:07:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-12 09:07:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-01-12 09:07:51,578 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-01-12 09:07:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:51,579 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-01-12 09:07:51,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:07:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-01-12 09:07:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:07:51,581 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:51,581 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:51,582 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:51,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:51,583 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-01-12 09:07:51,584 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:51,584 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:51,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:51,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:51,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2019-01-12 09:07:51,914 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2019-01-12 09:07:51,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2019-01-12 09:07:51,999 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-12 09:07:52,012 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:07:52,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 09:07:52,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-01-12 09:07:52,111 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:87, output treesize:48 [2019-01-12 09:07:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:52,299 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:52,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:52,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 09:07:52,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 09:07:52,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 09:07:52,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:07:52,313 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 7 states. [2019-01-12 09:07:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:52,844 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-01-12 09:07:52,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 09:07:52,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-01-12 09:07:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:52,847 INFO L225 Difference]: With dead ends: 19 [2019-01-12 09:07:52,847 INFO L226 Difference]: Without dead ends: 16 [2019-01-12 09:07:52,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:07:52,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-12 09:07:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-12 09:07:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-12 09:07:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-01-12 09:07:52,857 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-01-12 09:07:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:52,857 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-01-12 09:07:52,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 09:07:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-01-12 09:07:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:07:52,858 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:52,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:52,860 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:52,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:52,861 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2019-01-12 09:07:52,862 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:52,862 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:52,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:52,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:53,104 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2019-01-12 09:07:53,127 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-01-12 09:07:53,129 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-12 09:07:53,163 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-12 09:07:53,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-01-12 09:07:53,212 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2019-01-12 09:07:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:53,750 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:53,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:53,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-12 09:07:53,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-12 09:07:53,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-12 09:07:53,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-01-12 09:07:53,763 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 11 states. [2019-01-12 09:07:54,630 WARN L181 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-12 09:07:54,945 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-01-12 09:07:55,193 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-01-12 09:07:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:55,330 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-01-12 09:07:55,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-12 09:07:55,332 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-01-12 09:07:55,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:55,333 INFO L225 Difference]: With dead ends: 16 [2019-01-12 09:07:55,333 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:07:55,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2019-01-12 09:07:55,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:07:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:07:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:07:55,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:07:55,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-01-12 09:07:55,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:55,336 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:07:55,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-12 09:07:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:07:55,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:07:55,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:07:55,672 WARN L181 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-01-12 09:07:56,043 WARN L181 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-01-12 09:07:56,053 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2019-01-12 09:07:56,053 INFO L444 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: (= ULTIMATE.start_fabs_double_~x (fp.neg (_ +zero 11 53))) [2019-01-12 09:07:56,053 INFO L451 ceAbstractionStarter]: At program point L56(lines 41 57) the Hoare annotation is: true [2019-01-12 09:07:56,054 INFO L444 ceAbstractionStarter]: At program point L23(lines 14 24) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse2 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start_fabs_double_~x (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|)) .cse2) (= .cse2 (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|)))))) |ULTIMATE.start_main_#t~short8| (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse3 (fp.neg (_ +zero 11 53)))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|)) .cse3) (= |ULTIMATE.start_fabs_double_#res| (let ((.cse4 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (= .cse3 (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|)))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_6|) ULTIMATE.start_fabs_double_~high~0) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res|) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (|v_q#valueAsBitvector_7| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_7|) ULTIMATE.start___signbit_double_~msw~0) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse6 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53)))))) [2019-01-12 09:07:56,054 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-01-12 09:07:56,054 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2019-01-12 09:07:56,054 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2019-01-12 09:07:56,055 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-01-12 09:07:56,056 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse2 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start_fabs_double_~x (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|)) .cse2) (= .cse2 (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|)))))) |ULTIMATE.start_main_#t~short8| (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse3 (fp.neg (_ +zero 11 53)))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|)) .cse3) (= |ULTIMATE.start_fabs_double_#res| (let ((.cse4 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (= .cse3 (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|)))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_6|) ULTIMATE.start_fabs_double_~high~0) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_6|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53)))))) [2019-01-12 09:07:56,056 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-01-12 09:07:56,057 INFO L444 ceAbstractionStarter]: At program point L38(lines 25 39) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse1 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start_fabs_double_~x (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|)) .cse1) (= .cse1 (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|)))))) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64)) (|v_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse2 (fp.neg (_ +zero 11 53)))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|)) .cse2) (= |ULTIMATE.start_fabs_double_#res| (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_4|)) ((_ extract 31 0) |v_q#valueAsBitvector_5|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))) (= .cse2 (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|)))))) (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_6|) ULTIMATE.start_fabs_double_~high~0) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53)))))) [2019-01-12 09:07:56,057 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-01-12 09:07:56,057 INFO L448 ceAbstractionStarter]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2019-01-12 09:07:56,062 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 09:07:56,065 INFO L168 Benchmark]: Toolchain (without parser) took 5762.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.3 MB in the beginning and 952.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 133.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:56,067 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:07:56,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.22 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:56,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.91 ms. Allocated memory is still 1.0 GB. Free memory was 936.6 MB in the beginning and 931.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:56,069 INFO L168 Benchmark]: Boogie Preprocessor took 104.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -202.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:56,070 INFO L168 Benchmark]: RCFGBuilder took 525.84 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:56,071 INFO L168 Benchmark]: TraceAbstraction took 4760.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.4 MB in the end (delta: 154.8 MB). Peak memory consumption was 154.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:56,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.22 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 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 40.91 ms. Allocated memory is still 1.0 GB. Free memory was 936.6 MB in the beginning and 931.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -202.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 525.84 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4760.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.4 MB in the end (delta: 154.8 MB). Peak memory consumption was 154.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...