/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-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 4632d05eeeec8083fb0c38c2d70eb822a2624ecb ...................................................................................................................................................................................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-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 4632d05eeeec8083fb0c38c2d70eb822a2624ecb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:32:35,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:32:35,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:32:35,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:32:35,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:32:35,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:32:35,294 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:32:35,296 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:32:35,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:32:35,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:32:35,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:32:35,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:32:35,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:32:35,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:32:35,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:32:35,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:32:35,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:32:35,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:32:35,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:32:35,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:32:35,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:32:35,313 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:32:35,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:32:35,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:32:35,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:32:35,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:32:35,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:32:35,320 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:32:35,321 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:32:35,322 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:32:35,322 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:32:35,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:32:35,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:32:35,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:32:35,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:32:35,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:32:35,326 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:32:35,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:32:35,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:32:35,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:32:35,344 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:32:35,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:32:35,345 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:32:35,346 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:32:35,346 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:32:35,346 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:32:35,346 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:32:35,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:32:35,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:32:35,347 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:32:35,347 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:32:35,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:32:35,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:32:35,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:32:35,348 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:32:35,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:32:35,349 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:32:35,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:32:35,349 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:32:35,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:32:35,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:32:35,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:32:35,350 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:32:35,350 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:32:35,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:32:35,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:32:35,351 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 -> 4632d05eeeec8083fb0c38c2d70eb822a2624ecb [2018-09-20 15:32:35,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:32:35,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:32:35,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:32:35,438 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:32:35,439 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:32:35,439 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-unreach-call.c [2018-09-20 15:32:35,833 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9dc334a2/5b3db66540c44c8c9f9b6c58b60d9a91/FLAG4aebedef4 [2018-09-20 15:32:36,020 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:32:36,020 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-unreach-call.c [2018-09-20 15:32:36,029 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9dc334a2/5b3db66540c44c8c9f9b6c58b60d9a91/FLAG4aebedef4 [2018-09-20 15:32:36,049 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9dc334a2/5b3db66540c44c8c9f9b6c58b60d9a91 [2018-09-20 15:32:36,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:32:36,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:32:36,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:32:36,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:32:36,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:32:36,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ffa78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36, skipping insertion in model container [2018-09-20 15:32:36,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,082 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:32:36,384 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:32:36,408 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:32:36,439 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:32:36,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36 WrapperNode [2018-09-20 15:32:36,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:32:36,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:32:36,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:32:36,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:32:36,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (1/1) ... [2018-09-20 15:32:36,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:32:36,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:32:36,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:32:36,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:32:36,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (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 [2018-09-20 15:32:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:32:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:32:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:32:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2018-09-20 15:32:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:32:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:32:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:32:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2018-09-20 15:32:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:32:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:32:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:32:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:32:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:32:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:32:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:32:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:32:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:32:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:32:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:32:37,721 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:32:37,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:32:37 BoogieIcfgContainer [2018-09-20 15:32:37,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:32:37,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:32:37,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:32:37,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:32:37,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:32:36" (1/3) ... [2018-09-20 15:32:37,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a322d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:32:37, skipping insertion in model container [2018-09-20 15:32:37,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:36" (2/3) ... [2018-09-20 15:32:37,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a322d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:32:37, skipping insertion in model container [2018-09-20 15:32:37,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:32:37" (3/3) ... [2018-09-20 15:32:37,737 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210_false-unreach-call.c [2018-09-20 15:32:37,750 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:32:37,764 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:32:37,832 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:32:37,833 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:32:37,833 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:32:37,834 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:32:37,834 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:32:37,834 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:32:37,835 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:32:37,835 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:32:37,836 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:32:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-09-20 15:32:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:32:37,881 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:37,883 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:37,885 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:37,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1283783675, now seen corresponding path program 1 times [2018-09-20 15:32:37,898 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:32:37,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:32:37,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:32:37,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:32:37,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:32:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:32:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:32:38,074 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:32:38,074 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:32:38,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:32:38,094 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:32:38,095 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:32:38,098 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-09-20 15:32:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:32:38,141 INFO L93 Difference]: Finished difference Result 307 states and 361 transitions. [2018-09-20 15:32:38,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:32:38,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-20 15:32:38,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:32:38,158 INFO L225 Difference]: With dead ends: 307 [2018-09-20 15:32:38,159 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:32:38,164 INFO L606 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 [2018-09-20 15:32:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:32:38,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:32:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:32:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 157 transitions. [2018-09-20 15:32:38,224 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 157 transitions. Word has length 27 [2018-09-20 15:32:38,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:32:38,224 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 157 transitions. [2018-09-20 15:32:38,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:32:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 157 transitions. [2018-09-20 15:32:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 15:32:38,229 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:38,229 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:38,230 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:38,230 INFO L82 PathProgramCache]: Analyzing trace with hash 523299471, now seen corresponding path program 1 times [2018-09-20 15:32:38,230 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:32:38,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:32:38,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:32:38,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:32:38,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:32:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:32:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:32:38,392 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:32:38,392 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:32:38,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:32:38,395 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:32:38,395 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:32:38,396 INFO L87 Difference]: Start difference. First operand 151 states and 157 transitions. Second operand 3 states. [2018-09-20 15:32:38,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:32:38,458 INFO L93 Difference]: Finished difference Result 154 states and 159 transitions. [2018-09-20 15:32:38,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:32:38,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-09-20 15:32:38,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:32:38,462 INFO L225 Difference]: With dead ends: 154 [2018-09-20 15:32:38,462 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:32:38,463 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:32:38,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:32:38,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:32:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:32:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 156 transitions. [2018-09-20 15:32:38,483 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 156 transitions. Word has length 49 [2018-09-20 15:32:38,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:32:38,487 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 156 transitions. [2018-09-20 15:32:38,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:32:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2018-09-20 15:32:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-20 15:32:38,490 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:38,490 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:38,491 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:38,491 INFO L82 PathProgramCache]: Analyzing trace with hash -173104092, now seen corresponding path program 1 times [2018-09-20 15:32:38,491 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:32:38,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:32:38,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:32:38,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:32:38,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:32:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:32:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:32:38,649 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:32:38,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:32:38 BoogieIcfgContainer [2018-09-20 15:32:38,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:32:38,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:32:38,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:32:38,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:32:38,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:32:37" (3/4) ... [2018-09-20 15:32:38,744 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:32:38,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:32:38,746 INFO L168 Benchmark]: Toolchain (without parser) took 2691.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:32:38,749 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:32:38,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.00 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:32:38,751 INFO L168 Benchmark]: Boogie Preprocessor took 70.87 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:32:38,755 INFO L168 Benchmark]: RCFGBuilder took 1183.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:32:38,757 INFO L168 Benchmark]: TraceAbstraction took 1011.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:32:38,758 INFO L168 Benchmark]: Witness Printer took 9.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:32:38,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.00 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.87 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1183.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1011.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. * Witness Printer took 9.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 116, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L17] static const double one_modf = 1.0; VAL [\old(one_modf)=6442450949, one_modf=1] [L116] double x = 0.0 / 0.0; VAL [one_modf=1] [L117] FCALL double iptr; VAL [iptr={6442450953:0}, one_modf=1] [L118] CALL, EXPR modf_double(x, &iptr) VAL [\old(x)=6442450951, iptr={6442450953:0}, one_modf=1] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i; VAL [\old(x)=6442450951, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L23] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6442450951, ew_u={6442450945:0}, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L24] FCALL ew_u.value = (x) VAL [\old(x)=6442450951, ew_u={6442450945:0}, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L25] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6442450951, ew_u={6442450945:0}, ew_u.parts.msw=6442450944, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L25] (i0) = ew_u.parts.msw VAL [\old(x)=6442450951, ew_u={6442450945:0}, ew_u.parts.msw=6442450944, i0=-2147483648, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L25] FCALL (i0) = ew_u.parts.msw VAL [(i0) = ew_u.parts.msw=6442450950, \old(x)=6442450951, ew_u={6442450945:0}, ew_u.parts.msw=6442450944, i0=-2147483648, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L26] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6442450951, ew_u={6442450945:0}, ew_u.parts.lsw=3, i0=-2147483648, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L26] (i1) = ew_u.parts.lsw VAL [\old(x)=6442450951, ew_u={6442450945:0}, ew_u.parts.lsw=3, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L26] FCALL (i1) = ew_u.parts.lsw VAL [(i1) = ew_u.parts.lsw=6442450947, \old(x)=6442450951, ew_u={6442450945:0}, ew_u.parts.lsw=3, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L27] COND FALSE !(0) VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, one_modf=1, x=6442450951] [L29] COND TRUE j0 < 20 VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, j0=-1, one_modf=1, x=6442450951] [L30] COND TRUE j0 < 0 VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, j0=-1, one_modf=1, x=6442450951] [L32] FCALL ieee_double_shape_type iw_u; VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, iw_u={6442450952:0}, j0=-1, one_modf=1, x=6442450951] [L33] FCALL iw_u.parts.msw = (i0 & 0x80000000) VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, iw_u={6442450952:0}, j0=-1, one_modf=1, x=6442450951] [L34] FCALL iw_u.parts.lsw = (0) VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, iw_u={6442450952:0}, j0=-1, one_modf=1, x=6442450951] [L35] EXPR, FCALL iw_u.value VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, iw_u={6442450952:0}, iw_u.value=6442450955, j0=-1, one_modf=1, x=6442450951] [L35] FCALL (*iptr) = iw_u.value VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, iw_u={6442450952:0}, iw_u.value=6442450955, j0=-1, one_modf=1, x=6442450951] [L36] COND FALSE !(0) VAL [\old(x)=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, j0=-1, one_modf=1, x=6442450951] [L37] RET return x; VAL [\old(x)=6442450951, \result=6442450951, i0=-2147483648, i1=3, iptr={6442450953:0}, iptr={6442450953:0}, j0=-1, one_modf=1, x=6442450951] [L118] EXPR modf_double(x, &iptr) VAL [iptr={6442450953:0}, modf_double(x, &iptr)=6442450951, one_modf=1, x=6442450951] [L118] double res = modf_double(x, &iptr); [L121] EXPR, FCALL \read(iptr) VAL [\read(iptr)=6442450955, iptr={6442450953:0}, one_modf=1, res=6442450951, x=6442450951] [L121] CALL, EXPR isnan_double(iptr) VAL [\old(x)=6442450955, one_modf=1] [L15] RET return x != x; VAL [\old(x)=6442450955, \result=1, one_modf=1, x=6442450955] [L121] EXPR isnan_double(iptr) VAL [\read(iptr)=6442450955, iptr={6442450953:0}, isnan_double(iptr)=1, one_modf=1, res=6442450951, x=6442450951] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=6442450955, iptr={6442450953:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1, res=6442450951, x=6442450951] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=6442450955, iptr={6442450953:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1, res=6442450951, x=6442450951] [L121] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, one_modf=1] [L15] RET return x != x; VAL [\old(x)=6442450951, \result=0, one_modf=1, x=6442450951] [L121] EXPR isnan_double(res) VAL [\read(iptr)=6442450955, iptr={6442450953:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=6442450951, x=6442450951] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=6442450955, iptr={6442450953:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=6442450951, x=6442450951] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) [L122] __VERIFIER_error() VAL [iptr={6442450953:0}, one_modf=1, res=6442450951, x=6442450951] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 159 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 320 SDtfs, 0 SDslu, 152 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:32:41,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:32:41,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:32:41,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:32:41,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:32:41,126 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:32:41,127 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:32:41,129 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:32:41,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:32:41,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:32:41,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:32:41,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:32:41,134 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:32:41,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:32:41,137 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:32:41,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:32:41,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:32:41,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:32:41,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:32:41,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:32:41,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:32:41,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:32:41,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:32:41,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:32:41,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:32:41,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:32:41,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:32:41,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:32:41,155 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:32:41,156 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:32:41,157 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:32:41,158 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:32:41,158 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:32:41,158 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:32:41,159 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:32:41,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:32:41,160 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:32:41,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:32:41,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:32:41,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:32:41,178 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:32:41,179 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:32:41,179 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:32:41,179 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:32:41,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:32:41,181 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:32:41,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:32:41,181 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:32:41,181 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:32:41,181 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:32:41,181 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:32:41,182 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:32:41,182 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:32:41,182 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:32:41,182 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:32:41,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:32:41,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:32:41,184 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:32:41,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:32:41,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:32:41,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:32:41,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:32:41,185 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:32:41,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:32:41,186 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:32:41,186 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:32:41,186 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:32:41,186 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:32:41,187 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 -> 4632d05eeeec8083fb0c38c2d70eb822a2624ecb [2018-09-20 15:32:41,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:32:41,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:32:41,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:32:41,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:32:41,259 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:32:41,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-unreach-call.c [2018-09-20 15:32:41,612 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782e57ea4/51971433ef7e4c8087fe41f038266abf/FLAG46a79f9d8 [2018-09-20 15:32:41,815 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:32:41,816 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210_false-unreach-call.c [2018-09-20 15:32:41,824 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782e57ea4/51971433ef7e4c8087fe41f038266abf/FLAG46a79f9d8 [2018-09-20 15:32:41,841 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782e57ea4/51971433ef7e4c8087fe41f038266abf [2018-09-20 15:32:41,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:32:41,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:32:41,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:32:41,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:32:41,856 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:32:41,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:32:41" (1/1) ... [2018-09-20 15:32:41,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e65cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:41, skipping insertion in model container [2018-09-20 15:32:41,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:32:41" (1/1) ... [2018-09-20 15:32:41,874 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:32:42,202 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:32:42,247 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:32:42,318 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:32:42,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42 WrapperNode [2018-09-20 15:32:42,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:32:42,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:32:42,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:32:42,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:32:42,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (1/1) ... [2018-09-20 15:32:42,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:32:42,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:32:42,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:32:42,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:32:42,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (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 [2018-09-20 15:32:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:32:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:32:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:32:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2018-09-20 15:32:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:32:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2018-09-20 15:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 15:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:32:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 15:32:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:32:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:32:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:32:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:32:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 15:32:43,138 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,265 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,278 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,291 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,345 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,392 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,434 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,449 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:43,593 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,611 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,652 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,681 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,755 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,767 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,780 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:32:44,829 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:32:44,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:32:44 BoogieIcfgContainer [2018-09-20 15:32:44,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:32:44,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:32:44,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:32:44,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:32:44,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:32:41" (1/3) ... [2018-09-20 15:32:44,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63140d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:32:44, skipping insertion in model container [2018-09-20 15:32:44,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:32:42" (2/3) ... [2018-09-20 15:32:44,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63140d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:32:44, skipping insertion in model container [2018-09-20 15:32:44,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:32:44" (3/3) ... [2018-09-20 15:32:44,840 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210_false-unreach-call.c [2018-09-20 15:32:44,849 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:32:44,858 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:32:44,907 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:32:44,908 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:32:44,908 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:32:44,908 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:32:44,908 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:32:44,908 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:32:44,909 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:32:44,909 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:32:44,909 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:32:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-09-20 15:32:44,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:32:44,945 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:44,947 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:44,949 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:44,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1283783675, now seen corresponding path program 1 times [2018-09-20 15:32:44,958 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:32:44,958 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 [2018-09-20 15:32:44,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:32:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:32:45,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:32:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:32:45,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:32:45,088 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:32:45,088 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:32:45,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:32:45,109 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:32:45,110 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:32:45,113 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-09-20 15:32:45,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:32:45,157 INFO L93 Difference]: Finished difference Result 307 states and 361 transitions. [2018-09-20 15:32:45,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:32:45,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-20 15:32:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:32:45,173 INFO L225 Difference]: With dead ends: 307 [2018-09-20 15:32:45,173 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:32:45,179 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:32:45,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:32:45,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:32:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:32:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 157 transitions. [2018-09-20 15:32:45,240 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 157 transitions. Word has length 27 [2018-09-20 15:32:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:32:45,240 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 157 transitions. [2018-09-20 15:32:45,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:32:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 157 transitions. [2018-09-20 15:32:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 15:32:45,246 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:45,247 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:45,247 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash 523299471, now seen corresponding path program 1 times [2018-09-20 15:32:45,249 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:32:45,249 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) [2018-09-20 15:32:45,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:32:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:32:45,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:32:45,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 14 treesize of output 11 [2018-09-20 15:32:45,508 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 15:32:45,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:32:45,515 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:32:45,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:32:45,539 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:32:45,659 INFO L477 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 20 treesize of output 16 [2018-09-20 15:32:45,679 INFO L477 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 16 treesize of output 4 [2018-09-20 15:32:45,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:32:45,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:32:45,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:32:45,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:32:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:32:46,309 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:32:46,326 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:32:46,326 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:32:46,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:32:46,329 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:32:46,330 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:32:46,330 INFO L87 Difference]: Start difference. First operand 151 states and 157 transitions. Second operand 9 states. [2018-09-20 15:32:47,067 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 15:32:55,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:32:55,547 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2018-09-20 15:32:55,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:32:55,549 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-09-20 15:32:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:32:55,553 INFO L225 Difference]: With dead ends: 170 [2018-09-20 15:32:55,553 INFO L226 Difference]: Without dead ends: 104 [2018-09-20 15:32:55,555 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-09-20 15:32:55,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-09-20 15:32:55,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2018-09-20 15:32:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-09-20 15:32:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2018-09-20 15:32:55,574 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 49 [2018-09-20 15:32:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:32:55,575 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2018-09-20 15:32:55,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:32:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2018-09-20 15:32:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-20 15:32:55,578 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:55,579 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:55,579 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:55,579 INFO L82 PathProgramCache]: Analyzing trace with hash 402377950, now seen corresponding path program 1 times [2018-09-20 15:32:55,580 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:32:55,581 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:32:55,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:32:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:32:55,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:32:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:32:55,788 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:32:55,801 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:32:55,801 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:32:55,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:32:55,802 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:32:55,802 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:32:55,803 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 3 states. [2018-09-20 15:32:55,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:32:55,860 INFO L93 Difference]: Finished difference Result 105 states and 107 transitions. [2018-09-20 15:32:55,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:32:55,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-09-20 15:32:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:32:55,863 INFO L225 Difference]: With dead ends: 105 [2018-09-20 15:32:55,864 INFO L226 Difference]: Without dead ends: 102 [2018-09-20 15:32:55,864 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:32:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-09-20 15:32:55,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-09-20 15:32:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-09-20 15:32:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-09-20 15:32:55,876 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 51 [2018-09-20 15:32:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:32:55,878 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-09-20 15:32:55,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:32:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-09-20 15:32:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-20 15:32:55,881 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:32:55,882 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:32:55,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:32:55,882 INFO L82 PathProgramCache]: Analyzing trace with hash 422566709, now seen corresponding path program 1 times [2018-09-20 15:32:55,883 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:32:55,883 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) [2018-09-20 15:32:55,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:32:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:32:56,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:32:58,201 WARN L819 $PredicateComparison]: unable to prove that (exists ((|v_modf_double_#t~mem20_4| (_ FloatingPoint 11 53))) (= (fp.sub RNE |c_modf_double_#in~x| |v_modf_double_#t~mem20_4|) |c_modf_double_#res|)) is different from true [2018-09-20 15:32:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-20 15:32:58,431 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:32:58,448 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:32:58,448 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 15:32:58,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 15:32:58,449 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 15:32:58,449 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-09-20 15:32:58,449 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 10 states. [2018-09-20 15:33:04,394 WARN L178 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 15:33:05,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:33:05,399 INFO L93 Difference]: Finished difference Result 114 states and 117 transitions. [2018-09-20 15:33:05,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 15:33:05,400 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-09-20 15:33:05,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:33:05,402 INFO L225 Difference]: With dead ends: 114 [2018-09-20 15:33:05,402 INFO L226 Difference]: Without dead ends: 90 [2018-09-20 15:33:05,403 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=42, Invalid=142, Unknown=2, NotChecked=24, Total=210 [2018-09-20 15:33:05,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-09-20 15:33:05,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-09-20 15:33:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-09-20 15:33:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2018-09-20 15:33:05,413 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 56 [2018-09-20 15:33:05,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:33:05,414 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2018-09-20 15:33:05,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 15:33:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2018-09-20 15:33:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-20 15:33:05,418 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:33:05,418 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:33:05,418 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:33:05,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1276476286, now seen corresponding path program 1 times [2018-09-20 15:33:05,420 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:33:05,420 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 [2018-09-20 15:33:05,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:33:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:33:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:33:06,464 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:33:06,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:33:06 BoogieIcfgContainer [2018-09-20 15:33:06,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:33:06,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:33:06,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:33:06,590 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:33:06,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:32:44" (3/4) ... [2018-09-20 15:33:06,595 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-09-20 15:33:06,747 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:33:06,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:33:06,748 INFO L168 Benchmark]: Toolchain (without parser) took 24903.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.5 MB in the beginning and 867.6 MB in the end (delta: 82.9 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:33:06,750 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:33:06,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.48 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:33:06,752 INFO L168 Benchmark]: Boogie Preprocessor took 95.06 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:33:06,753 INFO L168 Benchmark]: RCFGBuilder took 2364.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:33:06,754 INFO L168 Benchmark]: TraceAbstraction took 21757.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 216.3 MB). Peak memory consumption was 216.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:33:06,755 INFO L168 Benchmark]: Witness Printer took 158.13 ms. Allocated memory is still 1.2 GB. Free memory was 874.4 MB in the beginning and 867.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-20 15:33:06,760 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 521.48 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.06 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2364.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21757.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 216.3 MB). Peak memory consumption was 216.3 MB. Max. memory is 11.5 GB. * Witness Printer took 158.13 ms. Allocated memory is still 1.2 GB. Free memory was 874.4 MB in the beginning and 867.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 122]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] static const double one_modf = 1.0; VAL [\old(one_modf)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025, one_modf=1.0] [L116] double x = 0.0 / 0.0; VAL [one_modf=1.0, x=NaN] [L117] FCALL double iptr; VAL [iptr={2:0}, one_modf=1.0, x=NaN] [L118] CALL, EXPR modf_double(x, &iptr) VAL [\old(x)=NaN, iptr={2:0}, one_modf=1.0] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i; VAL [\old(x)=NaN, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L23] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=NaN, ew_u={3:0}, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L24] FCALL ew_u.value = (x) VAL [\old(x)=NaN, ew_u={3:0}, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L25] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=NaN, ew_u={3:0}, ew_u.parts.msw=2146959360, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L25] (i0) = ew_u.parts.msw VAL [\old(x)=NaN, ew_u={3:0}, ew_u.parts.msw=2146959360, i0=2146959360, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L25] FCALL (i0) = ew_u.parts.msw VAL [(i0) = ew_u.parts.msw=NaN, \old(x)=NaN, ew_u={3:0}, ew_u.parts.msw=2146959360, i0=2146959360, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L26] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=NaN, ew_u={3:0}, ew_u.parts.lsw=0, i0=2146959360, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L26] (i1) = ew_u.parts.lsw VAL [\old(x)=NaN, ew_u={3:0}, ew_u.parts.lsw=0, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L26] FCALL (i1) = ew_u.parts.lsw VAL [(i1) = ew_u.parts.lsw=NaN, \old(x)=NaN, ew_u={3:0}, ew_u.parts.lsw=0, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L27] COND FALSE !(0) VAL [\old(x)=NaN, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, one_modf=1.0, x=NaN] [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=NaN, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L29] COND FALSE !(j0 < 20) VAL [\old(x)=NaN, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L65] COND TRUE j0 > 51 [L66] __uint32_t high; VAL [\old(x)=NaN, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L67] FCALL *iptr = x * one_modf VAL [\old(x)=NaN, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L69] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=NaN, gh_u={3:0}, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L70] FCALL gh_u.value = (x) VAL [\old(x)=NaN, gh_u={3:0}, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L71] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=NaN, gh_u={3:0}, gh_u.parts.msw=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L71] (high) = gh_u.parts.msw VAL [\old(x)=NaN, gh_u={3:0}, gh_u.parts.msw=2146959360, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L71] FCALL (high) = gh_u.parts.msw VAL [(high) = gh_u.parts.msw=NaN, \old(x)=NaN, gh_u={3:0}, gh_u.parts.msw=2146959360, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L72] COND FALSE !(0) VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=NaN] [L74] FCALL ieee_double_shape_type iw_u; VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, j0=1024, one_modf=1.0, x=NaN] [L75] FCALL iw_u.parts.msw = (high & 0x80000000) VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, j0=1024, one_modf=1.0, x=NaN] [L76] FCALL iw_u.parts.lsw = (0) VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, j0=1024, one_modf=1.0, x=NaN] [L77] EXPR, FCALL iw_u.value VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, iw_u.value=0.0, j0=1024, one_modf=1.0, x=NaN] [L77] (x) = iw_u.value VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, iw_u.value=0.0, j0=1024, one_modf=1.0, x=0.0] [L77] FCALL (x) = iw_u.value VAL [(x) = iw_u.value=0, \old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, iw_u.value=0.0, j0=1024, one_modf=1.0, x=0.0] [L77] FCALL (x) = iw_u.value VAL [(x) = iw_u.value=0, (x) = iw_u.value=2146959360, \old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, iw_u={3:0}, iw_u.value=0.0, j0=1024, one_modf=1.0, x=0.0] [L78] COND FALSE !(0) VAL [\old(x)=NaN, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=0.0] [L79] RET return x; VAL [\old(x)=NaN, \result=0.0, high=2146959360, i0=2146959360, i1=0, iptr={2:0}, iptr={2:0}, j0=1024, one_modf=1.0, x=0.0] [L118] EXPR modf_double(x, &iptr) VAL [iptr={2:0}, modf_double(x, &iptr)=0.0, one_modf=1.0, x=NaN] [L118] double res = modf_double(x, &iptr); [L121] EXPR, FCALL \read(iptr) VAL [\read(iptr)=NaN, iptr={2:0}, one_modf=1.0, res=0.0, x=NaN] [L121] CALL, EXPR isnan_double(iptr) VAL [\old(x)=NaN, one_modf=1.0] [L15] RET return x != x; VAL [\old(x)=NaN, \result=1, one_modf=1.0, x=NaN] [L121] EXPR isnan_double(iptr) VAL [\read(iptr)=NaN, iptr={2:0}, isnan_double(iptr)=1, one_modf=1.0, res=0.0, x=NaN] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=NaN, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1.0, res=0.0, x=NaN] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=NaN, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1.0, res=0.0, x=NaN] [L121] CALL, EXPR isnan_double(res) VAL [\old(x)=0.0, one_modf=1.0] [L15] RET return x != x; VAL [\old(x)=0.0, \result=0, one_modf=1.0, x=0.0] [L121] EXPR isnan_double(res) VAL [\read(iptr)=NaN, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1.0, res=0.0, x=NaN] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=NaN, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1.0, res=0.0, x=NaN] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) [L122] __VERIFIER_error() VAL [iptr={2:0}, one_modf=1.0, res=0.0, x=NaN] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 159 locations, 1 error locations. UNSAFE Result, 21.6s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 489 SDtfs, 451 SDslu, 1180 SDs, 0 SdLazy, 289 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 179 ConstructedInterpolants, 35 QuantifiedInterpolants, 41700 SizeOfPredicates, 13 NumberOfNonLiveVariables, 380 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...