./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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_1052d_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 204277589f1e9105606b7fb7cfd8af760c5fd585 ...................................................................................................................................................................................................................................................................................... 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_1052d_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 204277589f1e9105606b7fb7cfd8af760c5fd585 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-2e94e6a [2018-12-31 03:58:09,363 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:09,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:09,378 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:09,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:09,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:09,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:09,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:09,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:09,391 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:09,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:09,392 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:09,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:09,398 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:09,400 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:09,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:09,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:09,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:09,413 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:09,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:09,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:09,417 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:09,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:09,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:09,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:09,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:09,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:09,422 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:09,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:09,424 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:09,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:09,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:09,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:09,425 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:09,426 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:09,427 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:09,427 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:58:09,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:09,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:09,452 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:09,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:09,453 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:09,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:09,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:09,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:58:09,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:09,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:09,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:09,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:09,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:09,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:09,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:09,455 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:09,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:09,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:09,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:09,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:09,456 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:09,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:09,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:09,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:09,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:09,457 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:58:09,457 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:09,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:58:09,457 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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2018-12-31 03:58:09,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:09,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:09,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:09,511 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:09,512 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:09,512 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2018-12-31 03:58:09,574 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8680bead8/07ee98e177ae47c89e131798aea16cbf/FLAGd9517c654 [2018-12-31 03:58:10,030 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:10,031 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2018-12-31 03:58:10,039 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8680bead8/07ee98e177ae47c89e131798aea16cbf/FLAGd9517c654 [2018-12-31 03:58:10,387 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8680bead8/07ee98e177ae47c89e131798aea16cbf [2018-12-31 03:58:10,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:10,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:10,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:10,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:10,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:10,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296a8b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10, skipping insertion in model container [2018-12-31 03:58:10,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:10,434 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:10,637 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:10,642 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:10,702 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:10,739 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:10,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10 WrapperNode [2018-12-31 03:58:10,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:10,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:10,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:10,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:10,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:10,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:10,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:10,808 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:10,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (1/1) ... [2018-12-31 03:58:10,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:10,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:10,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:10,955 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:10,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (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 [2018-12-31 03:58:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:58:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:58:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:58:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:58:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:11,656 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:11,657 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-31 03:58:11,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:11 BoogieIcfgContainer [2018-12-31 03:58:11,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:11,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:11,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:11,663 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:11,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:10" (1/3) ... [2018-12-31 03:58:11,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b2cb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:11, skipping insertion in model container [2018-12-31 03:58:11,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:10" (2/3) ... [2018-12-31 03:58:11,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b2cb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:11, skipping insertion in model container [2018-12-31 03:58:11,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:11" (3/3) ... [2018-12-31 03:58:11,669 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d_true-unreach-call.c [2018-12-31 03:58:11,683 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:11,693 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:11,711 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:11,741 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:11,742 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:11,742 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:11,742 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:11,742 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:11,743 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:11,743 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:11,743 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:11,743 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-12-31 03:58:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:11,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:11,767 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:11,769 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:11,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:11,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2018-12-31 03:58:11,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:11,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:11,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:11,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:11,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:11,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:11,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:11,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:11,924 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-12-31 03:58:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:11,943 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2018-12-31 03:58:11,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:11,945 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:58:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:11,955 INFO L225 Difference]: With dead ends: 74 [2018-12-31 03:58:11,955 INFO L226 Difference]: Without dead ends: 35 [2018-12-31 03:58:11,959 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 [2018-12-31 03:58:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-31 03:58:11,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-31 03:58:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-31 03:58:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2018-12-31 03:58:11,996 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2018-12-31 03:58:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:11,996 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2018-12-31 03:58:11,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2018-12-31 03:58:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 03:58:11,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:11,997 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:11,998 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:11,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:11,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2018-12-31 03:58:11,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:11,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:11,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:12,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:12,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:12,103 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:58:12,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:12 BoogieIcfgContainer [2018-12-31 03:58:12,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:12,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:12,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:12,138 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:12,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:11" (3/4) ... [2018-12-31 03:58:12,144 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:58:12,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:12,145 INFO L168 Benchmark]: Toolchain (without parser) took 1753.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:12,148 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:12,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.63 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:12,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.47 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:12,150 INFO L168 Benchmark]: Boogie Preprocessor took 147.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:12,152 INFO L168 Benchmark]: RCFGBuilder took 702.13 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:12,152 INFO L168 Benchmark]: TraceAbstraction took 479.70 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:12,154 INFO L168 Benchmark]: Witness Printer took 5.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:12,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.63 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 935.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.47 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 147.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 702.13 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 479.70 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.99 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 38, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] double x = 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L99] double res = floor_double(x); [L102] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L103] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 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=38occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.24-2e94e6a [2018-12-31 03:58:14,621 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:14,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:14,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:14,641 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:14,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:14,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:14,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:14,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:14,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:14,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:14,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:14,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:14,653 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:14,655 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:14,655 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:14,656 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:14,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:14,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:14,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:14,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:14,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:14,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:14,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:14,682 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:14,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:14,684 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:14,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:14,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:14,690 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:14,692 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:14,693 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:14,693 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:14,693 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:14,694 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:14,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:14,697 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:58:14,724 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:14,725 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:14,726 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:14,726 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:14,726 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:14,726 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:14,727 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:14,727 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:14,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:14,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:14,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:14,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:14,728 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:58:14,729 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:58:14,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:14,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:14,729 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:14,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:14,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:14,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:14,731 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:14,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:14,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:14,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:14,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:14,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:14,733 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:58:14,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:14,733 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:58:14,733 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:58:14,733 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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2018-12-31 03:58:14,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:14,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:14,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:14,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:14,792 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:14,792 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2018-12-31 03:58:14,857 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99fa3638/4077069644794449b26c6b73a734ef01/FLAGc81feec0c [2018-12-31 03:58:15,368 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:15,369 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1052d_true-unreach-call.c [2018-12-31 03:58:15,375 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99fa3638/4077069644794449b26c6b73a734ef01/FLAGc81feec0c [2018-12-31 03:58:15,690 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99fa3638/4077069644794449b26c6b73a734ef01 [2018-12-31 03:58:15,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:15,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:15,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:15,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:15,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:15,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:15" (1/1) ... [2018-12-31 03:58:15,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ae0b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:15, skipping insertion in model container [2018-12-31 03:58:15,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:15" (1/1) ... [2018-12-31 03:58:15,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:15,744 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:15,982 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:15,992 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:16,045 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:16,089 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:16,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16 WrapperNode [2018-12-31 03:58:16,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:16,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:16,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:16,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:16,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:16,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:16,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:16,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:16,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (1/1) ... [2018-12-31 03:58:16,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:16,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:16,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:16,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:16,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (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 [2018-12-31 03:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:58:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:58:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:16,715 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:18,084 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:18,104 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:18,104 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-31 03:58:18,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:18 BoogieIcfgContainer [2018-12-31 03:58:18,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:18,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:18,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:18,110 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:18,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:15" (1/3) ... [2018-12-31 03:58:18,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417fe6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:18, skipping insertion in model container [2018-12-31 03:58:18,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:16" (2/3) ... [2018-12-31 03:58:18,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417fe6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:18, skipping insertion in model container [2018-12-31 03:58:18,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:18" (3/3) ... [2018-12-31 03:58:18,115 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d_true-unreach-call.c [2018-12-31 03:58:18,126 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:18,135 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:18,153 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:18,185 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:18,186 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:18,186 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:18,186 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:18,186 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:18,186 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:18,187 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:18,187 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:18,187 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-12-31 03:58:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:18,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:18,207 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:18,210 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:18,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2018-12-31 03:58:18,219 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:18,219 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 [2018-12-31 03:58:18,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:18,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:18,292 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:18,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:18,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:18,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:18,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:18,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:18,322 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-12-31 03:58:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:18,342 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2018-12-31 03:58:18,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:18,343 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:58:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:18,354 INFO L225 Difference]: With dead ends: 74 [2018-12-31 03:58:18,355 INFO L226 Difference]: Without dead ends: 35 [2018-12-31 03:58:18,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-31 03:58:18,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-31 03:58:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-31 03:58:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2018-12-31 03:58:18,395 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2018-12-31 03:58:18,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:18,396 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2018-12-31 03:58:18,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2018-12-31 03:58:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 03:58:18,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:18,398 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:18,398 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:18,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:18,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2018-12-31 03:58:18,400 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:18,400 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) [2018-12-31 03:58:18,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:18,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:18,759 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:18,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:18,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:58:18,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:58:18,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:58:18,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:58:18,779 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 5 states. [2018-12-31 03:58:19,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:19,411 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2018-12-31 03:58:19,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:58:19,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-12-31 03:58:19,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:19,414 INFO L225 Difference]: With dead ends: 47 [2018-12-31 03:58:19,415 INFO L226 Difference]: Without dead ends: 21 [2018-12-31 03:58:19,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 03:58:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-31 03:58:19,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-31 03:58:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-31 03:58:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-12-31 03:58:19,424 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2018-12-31 03:58:19,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:19,425 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-12-31 03:58:19,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:58:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-31 03:58:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-31 03:58:19,426 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:19,426 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:19,426 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:19,428 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2018-12-31 03:58:19,429 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:19,429 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) [2018-12-31 03:58:19,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:19,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:19,642 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:19,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:19,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 03:58:19,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:58:19,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:58:19,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:58:19,658 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2018-12-31 03:58:19,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:19,778 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-12-31 03:58:19,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:58:19,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-12-31 03:58:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:19,780 INFO L225 Difference]: With dead ends: 33 [2018-12-31 03:58:19,780 INFO L226 Difference]: Without dead ends: 21 [2018-12-31 03:58:19,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:58:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-31 03:58:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-31 03:58:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-31 03:58:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-12-31 03:58:19,789 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2018-12-31 03:58:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:19,790 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-12-31 03:58:19,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:58:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-12-31 03:58:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 03:58:19,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:19,791 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:19,791 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:19,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:19,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2018-12-31 03:58:19,792 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:19,793 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-12-31 03:58:19,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:19,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:20,024 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 45 treesize of output 39 [2018-12-31 03:58:20,032 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 39 treesize of output 36 [2018-12-31 03:58:20,054 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 27 treesize of output 15 [2018-12-31 03:58:20,054 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:20,059 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:20,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:20,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:20,070 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2018-12-31 03:58:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:20,173 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:20,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:20,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 03:58:20,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 03:58:20,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 03:58:20,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 03:58:20,187 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2018-12-31 03:58:20,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:20,689 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-31 03:58:20,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:58:20,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-12-31 03:58:20,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:20,692 INFO L225 Difference]: With dead ends: 24 [2018-12-31 03:58:20,692 INFO L226 Difference]: Without dead ends: 21 [2018-12-31 03:58:20,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:58:20,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-31 03:58:20,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-31 03:58:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-31 03:58:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-12-31 03:58:20,700 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2018-12-31 03:58:20,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:20,700 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-12-31 03:58:20,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 03:58:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-12-31 03:58:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 03:58:20,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:20,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:20,703 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:20,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:20,703 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2018-12-31 03:58:20,704 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:20,704 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:20,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:20,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:20,900 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 45 treesize of output 39 [2018-12-31 03:58:20,920 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 39 treesize of output 36 [2018-12-31 03:58:21,011 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 27 treesize of output 15 [2018-12-31 03:58:21,012 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:21,036 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:21,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:21,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:21,089 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2018-12-31 03:58:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:21,514 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:21,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:21,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-31 03:58:21,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-31 03:58:21,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-31 03:58:21,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-31 03:58:21,529 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2018-12-31 03:58:22,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:22,292 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-12-31 03:58:22,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 03:58:22,295 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-12-31 03:58:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:22,296 INFO L225 Difference]: With dead ends: 21 [2018-12-31 03:58:22,296 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:58:22,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-12-31 03:58:22,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:58:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:58:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:58:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:58:22,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-12-31 03:58:22,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:22,298 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:58:22,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-31 03:58:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:58:22,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:58:22,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:58:22,759 WARN L181 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-31 03:58:22,962 WARN L181 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-31 03:58:23,213 WARN L181 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2018-12-31 03:58:23,217 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2018-12-31 03:58:23,217 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-12-31 03:58:23,218 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-12-31 03:58:23,218 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 24) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= (_ +zero 11 53) ULTIMATE.start_floor_double_~x)) [2018-12-31 03:58:23,218 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2018-12-31 03:58:23,218 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-31 03:58:23,219 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 105) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 35) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 16 77) no Hoare annotation was computed. [2018-12-31 03:58:23,220 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 70 75) no Hoare annotation was computed. [2018-12-31 03:58:23,221 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-12-31 03:58:23,222 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2018-12-31 03:58:23,222 INFO L448 ceAbstractionStarter]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2018-12-31 03:58:23,223 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-31 03:58:23,223 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-31 03:58:23,223 INFO L444 ceAbstractionStarter]: At program point L88(lines 79 89) the Hoare annotation is: (let ((.cse1 (let ((.cse2 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (and (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_3|) ULTIMATE.start___signbit_double_~msw~0) (= (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= .cse1 ULTIMATE.start_floor_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_7) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= |ULTIMATE.start_floor_double_#res| .cse1) (= .cse1 ULTIMATE.start___signbit_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_prenex_7)))) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) |ULTIMATE.start_main_#t~short10| (= (_ bv0 32) ULTIMATE.start_floor_double_~i1~0) (= ULTIMATE.start_main_~res~0 .cse1))) [2018-12-31 03:58:23,224 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 69) no Hoare annotation was computed. [2018-12-31 03:58:23,225 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. [2018-12-31 03:58:23,225 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 68) no Hoare annotation was computed. [2018-12-31 03:58:23,225 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2018-12-31 03:58:23,225 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 45) no Hoare annotation was computed. [2018-12-31 03:58:23,225 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:58:23,225 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 66) no Hoare annotation was computed. [2018-12-31 03:58:23,226 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2018-12-31 03:58:23,226 INFO L448 ceAbstractionStarter]: For program point L82-1(lines 82 86) no Hoare annotation was computed. [2018-12-31 03:58:23,226 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 86) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_7) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= |ULTIMATE.start_floor_double_#res| .cse0) (= .cse0 ULTIMATE.start___signbit_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_prenex_7)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) |ULTIMATE.start_main_#t~short10| (= (_ bv0 32) ULTIMATE.start_floor_double_~i1~0) (= ULTIMATE.start_main_~res~0 .cse0))) [2018-12-31 03:58:23,226 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2018-12-31 03:58:23,227 INFO L451 ceAbstractionStarter]: At program point L107(lines 91 108) the Hoare annotation is: true [2018-12-31 03:58:23,227 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-31 03:58:23,227 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-12-31 03:58:23,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:58:23,227 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 65) no Hoare annotation was computed. [2018-12-31 03:58:23,227 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 69) no Hoare annotation was computed. [2018-12-31 03:58:23,228 INFO L444 ceAbstractionStarter]: At program point L76(lines 16 77) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_prenex_7) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))))) (= |ULTIMATE.start_floor_double_#res| .cse0) (exists ((v_prenex_7 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_prenex_7)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= (_ bv0 32) ULTIMATE.start_floor_double_~i1~0))) [2018-12-31 03:58:23,237 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.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) [2018-12-31 03:58:23,240 INFO L168 Benchmark]: Toolchain (without parser) took 7545.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.3 MB in the beginning and 908.6 MB in the end (delta: 42.7 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,244 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-31 03:58:23,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.63 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.82 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:23,248 INFO L168 Benchmark]: Boogie Preprocessor took 124.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,250 INFO L168 Benchmark]: RCFGBuilder took 1825.86 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,250 INFO L168 Benchmark]: TraceAbstraction took 5133.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.6 MB in the end (delta: 179.0 MB). Peak memory consumption was 179.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:23,261 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.63 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.82 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1825.86 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5133.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.6 MB in the end (delta: 179.0 MB). Peak memory consumption was 179.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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...