/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910a_true-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_0910a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ......................................................................................................................................................................................................................................................................................................................................... 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_0910a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:55:00,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:55:00,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:55:00,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:55:00,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:55:00,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:55:00,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:55:00,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:55:00,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:55:00,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:55:00,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:55:00,258 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:55:00,258 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:55:00,259 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:55:00,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:55:00,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:55:00,265 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:55:00,267 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:55:00,269 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:55:00,270 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:55:00,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:55:00,273 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:55:00,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:55:00,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:55:00,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:55:00,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:55:00,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:55:00,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:55:00,280 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:55:00,284 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:55:00,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:55:00,285 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:55:00,286 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:55:00,286 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:55:00,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:55:00,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:55:00,289 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:55:00,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:55:00,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:55:00,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:55:00,323 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:55:00,324 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:55:00,324 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:55:00,325 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:55:00,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:55:00,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:55:00,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:55:00,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:55:00,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:55:00,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:55:00,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:55:00,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:55:00,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:55:00,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:55:00,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:55:00,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:55:00,328 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:55:00,328 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:55:00,328 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:55:00,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:55:00,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:55:00,329 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:55:00,329 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:55:00,329 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:55:00,330 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:55:00,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:55:00,331 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 -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2018-09-20 14:55:00,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:55:00,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:55:00,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:55:00,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:55:00,416 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:55:00,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-09-20 14:55:00,776 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff2ec766/58ad87feeb4643cd81b882ab9a28f704/FLAGca5e262f0 [2018-09-20 14:55:00,930 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:55:00,931 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-09-20 14:55:00,938 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff2ec766/58ad87feeb4643cd81b882ab9a28f704/FLAGca5e262f0 [2018-09-20 14:55:00,954 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff2ec766/58ad87feeb4643cd81b882ab9a28f704 [2018-09-20 14:55:00,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:55:00,961 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:55:00,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:00,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:55:00,969 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:55:00,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:00" (1/1) ... [2018-09-20 14:55:00,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9e930c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:00, skipping insertion in model container [2018-09-20 14:55:00,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:00" (1/1) ... [2018-09-20 14:55:00,986 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:55:01,298 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:01,317 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:55:01,348 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:01,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01 WrapperNode [2018-09-20 14:55:01,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:01,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:55:01,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:55:01,399 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:55:01,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:55:01,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:55:01,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:55:01,490 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:55:01,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (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 14:55:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:55:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:55:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:55:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 14:55:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:55:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:55:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:55:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:55:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:55:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:55:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:55:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:55:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:55:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:55:02,370 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:55:02,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:02 BoogieIcfgContainer [2018-09-20 14:55:02,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:55:02,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:55:02,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:55:02,376 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:55:02,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:55:00" (1/3) ... [2018-09-20 14:55:02,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21235584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:02, skipping insertion in model container [2018-09-20 14:55:02,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (2/3) ... [2018-09-20 14:55:02,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21235584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:02, skipping insertion in model container [2018-09-20 14:55:02,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:02" (3/3) ... [2018-09-20 14:55:02,380 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a_true-unreach-call.c [2018-09-20 14:55:02,391 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:55:02,405 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:55:02,460 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:55:02,460 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:55:02,461 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:55:02,461 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:55:02,461 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:55:02,461 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:55:02,462 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:55:02,462 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:55:02,463 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:55:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-09-20 14:55:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-20 14:55:02,496 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:02,498 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] [2018-09-20 14:55:02,501 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:02,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1182905706, now seen corresponding path program 1 times [2018-09-20 14:55:02,510 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:55:02,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:55:02,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:02,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:02,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:02,698 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 14:55:02,701 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:02,702 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:55:02,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:55:02,722 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:55:02,723 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:55:02,725 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-09-20 14:55:02,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:55:02,760 INFO L93 Difference]: Finished difference Result 166 states and 205 transitions. [2018-09-20 14:55:02,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:55:02,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-20 14:55:02,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:55:02,775 INFO L225 Difference]: With dead ends: 166 [2018-09-20 14:55:02,775 INFO L226 Difference]: Without dead ends: 83 [2018-09-20 14:55:02,780 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 14:55:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-20 14:55:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-09-20 14:55:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-20 14:55:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2018-09-20 14:55:02,834 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 24 [2018-09-20 14:55:02,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:55:02,835 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2018-09-20 14:55:02,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:55:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2018-09-20 14:55:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-20 14:55:02,841 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:02,842 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] [2018-09-20 14:55:02,842 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:02,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1855070629, now seen corresponding path program 1 times [2018-09-20 14:55:02,843 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:55:02,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:55:02,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:02,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:02,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:55:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:55:03,112 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:55:03,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:55:03 BoogieIcfgContainer [2018-09-20 14:55:03,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:55:03,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:55:03,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:55:03,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:55:03,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:02" (3/4) ... [2018-09-20 14:55:03,226 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:55:03,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:55:03,227 INFO L168 Benchmark]: Toolchain (without parser) took 2268.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:03,231 INFO L168 Benchmark]: CDTParser took 0.30 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 14:55:03,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:03,234 INFO L168 Benchmark]: Boogie Preprocessor took 91.09 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:55:03,236 INFO L168 Benchmark]: RCFGBuilder took 881.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:03,238 INFO L168 Benchmark]: TraceAbstraction took 842.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:03,239 INFO L168 Benchmark]: Witness Printer took 10.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:55:03,245 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 435.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.09 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 881.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 842.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Witness Printer took 10.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=10737418258, \old(Lg2_log)=10737418261, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418245, \old(Lg5_log)=10737418246, \old(Lg6_log)=10737418255, \old(Lg7_log)=10737418254, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418248, \old(two54_log)=10737418256, \old(zero)=10737418259, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L132] double x = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L133] CALL, EXPR __ieee754_log(x) VAL [\old(x)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L51] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=0, ew_u={10737418251:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L52] FCALL ew_u.value = (x) VAL [\old(x)=0, ew_u={10737418251:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L53] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=0, ew_u={10737418251:0}, ew_u.parts.msw=6442450943, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L53] (hx) = ew_u.parts.msw VAL [\old(x)=0, ew_u={10737418251:0}, ew_u.parts.msw=6442450943, hx=2147483647, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L53] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418257, \old(x)=0, ew_u={10737418251:0}, ew_u.parts.msw=6442450943, hx=2147483647, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L54] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=0, ew_u={10737418251:0}, ew_u.parts.lsw=10737418252, hx=2147483647, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L54] (lx) = ew_u.parts.lsw VAL [\old(x)=0, ew_u={10737418251:0}, ew_u.parts.lsw=10737418252, hx=2147483647, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=0, zero=0] [L54] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418250, \old(x)=0, ew_u={10737418251:0}, ew_u.parts.lsw=10737418252, hx=2147483647, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=0, zero=0] [L55] COND FALSE !(0) VAL [\old(x)=0, hx=2147483647, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=0, zero=0] [L57] k = 0 VAL [\old(x)=0, hx=2147483647, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=0, zero=0] [L58] COND FALSE !(hx < 0x00100000) VAL [\old(x)=0, hx=2147483647, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=0, zero=0] [L71] COND TRUE hx >= 0x7ff00000 [L72] RET return x + x; VAL [\old(x)=0, hx=2147483647, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483660, two54_log=18014398509481984, x=0, zero=0] [L133] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=10737418247, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=0, zero=0] [L133] double res = __ieee754_log(x); [L136] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418247, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L19] __int32_t hx, lx; VAL [\old(x)=10737418247, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L21] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418247, ew_u={10737418253:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L22] FCALL ew_u.value = (x) VAL [\old(x)=10737418247, ew_u={10737418253:0}, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L23] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418247, ew_u={10737418253:0}, ew_u.parts.msw=6442450944, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L23] (hx) = ew_u.parts.msw VAL [\old(x)=10737418247, ew_u={10737418253:0}, ew_u.parts.msw=6442450944, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L23] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418244, \old(x)=10737418247, ew_u={10737418253:0}, ew_u.parts.msw=6442450944, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L24] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418247, ew_u={10737418253:0}, ew_u.parts.lsw=10737418240, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=10737418247, zero=0] [L24] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418247, ew_u={10737418253:0}, ew_u.parts.lsw=10737418240, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, x=10737418247, zero=0] [L24] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418260, \old(x)=10737418247, ew_u={10737418253:0}, ew_u.parts.lsw=10737418240, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, x=10737418247, zero=0] [L25] COND FALSE !(0) VAL [\old(x)=10737418247, hx=-2147483648, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, x=10737418247, zero=0] [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418247, \result=0, hx=2146435072, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, x=10737418247, zero=0] [L136] EXPR isinf_double(res) VAL [isinf_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=10737418247, two54_log=18014398509481984, x=0, zero=0] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=10737418247, two54_log=18014398509481984, x=0, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 87 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 14:55:05,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:55:05,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:55:05,789 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:55:05,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:55:05,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:55:05,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:55:05,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:55:05,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:55:05,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:55:05,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:55:05,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:55:05,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:55:05,809 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:55:05,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:55:05,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:55:05,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:55:05,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:55:05,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:55:05,835 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:55:05,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:55:05,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:55:05,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:55:05,841 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:55:05,841 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:55:05,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:55:05,844 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:55:05,845 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:55:05,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:55:05,847 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:55:05,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:55:05,848 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:55:05,848 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:55:05,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:55:05,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:55:05,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:55:05,851 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:55:05,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:55:05,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:55:05,884 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:55:05,884 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:55:05,885 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:55:05,885 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:55:05,885 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:55:05,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:55:05,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:55:05,887 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:55:05,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:55:05,888 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:55:05,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:55:05,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:55:05,888 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:55:05,889 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:55:05,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:55:05,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:55:05,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:55:05,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:55:05,892 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:55:05,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:55:05,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:55:05,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:55:05,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:55:05,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:55:05,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:55:05,895 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:55:05,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:55:05,895 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:55:05,895 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:55:05,895 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 -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2018-09-20 14:55:05,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:55:05,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:55:05,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:55:05,992 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:55:05,992 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:55:05,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-09-20 14:55:06,359 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1209d2837/2d42cb8864fd44d6872c3fde94af0783/FLAG291be79be [2018-09-20 14:55:06,570 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:55:06,571 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0910a_true-unreach-call.c [2018-09-20 14:55:06,582 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1209d2837/2d42cb8864fd44d6872c3fde94af0783/FLAG291be79be [2018-09-20 14:55:06,599 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1209d2837/2d42cb8864fd44d6872c3fde94af0783 [2018-09-20 14:55:06,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:55:06,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:55:06,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:06,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:55:06,615 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:55:06,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:06" (1/1) ... [2018-09-20 14:55:06,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377dc6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:06, skipping insertion in model container [2018-09-20 14:55:06,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:06" (1/1) ... [2018-09-20 14:55:06,632 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:55:06,973 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:07,004 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:55:07,065 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:07,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07 WrapperNode [2018-09-20 14:55:07,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:07,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:55:07,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:55:07,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:55:07,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (1/1) ... [2018-09-20 14:55:07,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:55:07,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:55:07,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:55:07,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:55:07,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (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 14:55:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:55:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:55:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:55:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 14:55:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:55:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:55:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:55:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:55:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:55:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:55:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:55:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:55:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 14:55:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:55:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:55:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:55:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:55:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:55:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:55:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:55:07,605 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:07,651 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:07,713 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:13,045 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:13,064 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:13,209 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,752 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,762 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,821 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,954 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:55:31,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:31 BoogieIcfgContainer [2018-09-20 14:55:31,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:55:31,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:55:31,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:55:31,960 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:55:31,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:55:06" (1/3) ... [2018-09-20 14:55:31,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d25506d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:31, skipping insertion in model container [2018-09-20 14:55:31,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:07" (2/3) ... [2018-09-20 14:55:31,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d25506d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:31, skipping insertion in model container [2018-09-20 14:55:31,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:31" (3/3) ... [2018-09-20 14:55:31,967 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a_true-unreach-call.c [2018-09-20 14:55:31,979 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:55:31,991 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:55:32,060 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:55:32,061 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:55:32,061 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:55:32,062 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:55:32,062 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:55:32,062 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:55:32,062 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:55:32,062 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:55:32,063 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:55:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-09-20 14:55:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 14:55:32,114 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:32,115 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] [2018-09-20 14:55:32,119 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:32,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1668417954, now seen corresponding path program 1 times [2018-09-20 14:55:32,133 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:55:32,134 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) [2018-09-20 14:55:32,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:55:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:32,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:55:32,354 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 14:55:32,355 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:55:32,370 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:32,371 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:55:32,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:55:32,387 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:55:32,388 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:55:32,390 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2018-09-20 14:55:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:55:32,420 INFO L93 Difference]: Finished difference Result 164 states and 203 transitions. [2018-09-20 14:55:32,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:55:32,421 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 14:55:32,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:55:32,434 INFO L225 Difference]: With dead ends: 164 [2018-09-20 14:55:32,434 INFO L226 Difference]: Without dead ends: 82 [2018-09-20 14:55:32,439 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 14:55:32,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-09-20 14:55:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-09-20 14:55:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-20 14:55:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-09-20 14:55:32,491 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 23 [2018-09-20 14:55:32,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:55:32,491 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-09-20 14:55:32,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:55:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-09-20 14:55:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 14:55:32,495 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:32,495 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 14:55:32,496 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:32,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2104630673, now seen corresponding path program 1 times [2018-09-20 14:55:32,498 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:55:32,498 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:55:32,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:32,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:55:32,869 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 14:55:32,886 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 14:55:32,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:32,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:32,992 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 14:55:32,993 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:55:33,090 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 14:55:33,104 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 14:55:33,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:33,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:33,162 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 14:55:33,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:55:33,436 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 14:55:33,437 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:55:33,458 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:33,459 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:55:33,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:55:33,461 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:55:33,463 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:55:33,464 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 8 states. [2018-09-20 14:55:34,518 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 14:55:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:55:50,777 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2018-09-20 14:55:51,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:55:51,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-09-20 14:55:51,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:55:51,557 INFO L225 Difference]: With dead ends: 132 [2018-09-20 14:55:51,558 INFO L226 Difference]: Without dead ends: 84 [2018-09-20 14:55:51,560 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:55:51,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-20 14:55:51,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2018-09-20 14:55:51,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-20 14:55:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-09-20 14:55:51,572 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 49 [2018-09-20 14:55:51,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:55:51,573 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-09-20 14:55:51,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:55:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-09-20 14:55:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 14:55:51,576 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:51,577 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 14:55:51,577 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:51,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1020055154, now seen corresponding path program 1 times [2018-09-20 14:55:51,579 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:55:51,579 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 14:55:51,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:52,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:55:56,257 WARN L178 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-20 14:55:56,347 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:55:56,349 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:55:56,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-20 14:55:56,362 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:55:56,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 14:55:56,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:56,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:56,433 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 14:55:56,434 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 14:55:56,704 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 42 treesize of output 33 [2018-09-20 14:55:56,723 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:55:56,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-09-20 14:55:56,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:56,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:56,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:55:56,799 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-20 14:55:58,942 WARN L178 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-20 14:55:58,955 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 26 treesize of output 20 [2018-09-20 14:55:58,964 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:55:58,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-09-20 14:55:58,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:58,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:58,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:55:58,994 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-20 14:55:59,631 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 14:55:59,632 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:55:59,658 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:59,658 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-20 14:55:59,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-20 14:55:59,659 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-20 14:55:59,659 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:55:59,661 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 15 states. [2018-09-20 14:56:09,339 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-20 14:56:10,488 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:56:10,929 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-20 14:56:12,447 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:56:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:27,277 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2018-09-20 14:56:27,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-20 14:56:27,279 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-09-20 14:56:27,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:27,281 INFO L225 Difference]: With dead ends: 91 [2018-09-20 14:56:27,281 INFO L226 Difference]: Without dead ends: 84 [2018-09-20 14:56:27,282 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2018-09-20 14:56:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-20 14:56:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2018-09-20 14:56:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-20 14:56:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2018-09-20 14:56:27,296 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 49 [2018-09-20 14:56:27,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:27,296 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2018-09-20 14:56:27,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-20 14:56:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2018-09-20 14:56:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-20 14:56:27,299 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:27,299 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] [2018-09-20 14:56:27,300 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:27,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1093039067, now seen corresponding path program 1 times [2018-09-20 14:56:27,300 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:27,301 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) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:56:27,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:28,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:28,348 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 14:56:28,354 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 14:56:28,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:28,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:28,379 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 14:56:28,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:56:28,436 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 14:56:28,449 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 14:56:28,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:28,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:28,483 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 14:56:28,483 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:56:28,636 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 14:56:28,636 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:56:28,664 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:56:28,665 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:56:28,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:56:28,666 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:56:28,666 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:56:28,667 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 8 states. [2018-09-20 14:56:38,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:38,642 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2018-09-20 14:56:38,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:56:38,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2018-09-20 14:56:38,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:38,646 INFO L225 Difference]: With dead ends: 107 [2018-09-20 14:56:38,646 INFO L226 Difference]: Without dead ends: 82 [2018-09-20 14:56:38,647 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:56:38,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-09-20 14:56:38,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-09-20 14:56:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-20 14:56:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2018-09-20 14:56:38,659 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 50 [2018-09-20 14:56:38,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:38,659 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2018-09-20 14:56:38,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:56:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2018-09-20 14:56:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-20 14:56:38,661 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:38,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:56:38,663 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:38,663 INFO L82 PathProgramCache]: Analyzing trace with hash 752434658, now seen corresponding path program 1 times [2018-09-20 14:56:38,664 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:38,664 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 14:56:38,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:39,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:43,247 WARN L178 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 14:56:43,464 INFO L303 Elim1Store]: Index analysis took 214 ms [2018-09-20 14:56:43,465 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 14:56:43,766 INFO L303 Elim1Store]: Index analysis took 300 ms [2018-09-20 14:56:43,767 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 14:56:43,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:44,218 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:45,528 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 14:56:45,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-09-20 14:56:49,176 WARN L178 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:56:49,461 INFO L303 Elim1Store]: Index analysis took 281 ms [2018-09-20 14:56:49,462 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 14:56:49,700 INFO L303 Elim1Store]: Index analysis took 236 ms [2018-09-20 14:56:49,700 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 14:56:49,701 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:49,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:52,469 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 14:56:52,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:22 [2018-09-20 14:56:55,326 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 19 [2018-09-20 14:57:01,675 WARN L178 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 19 [2018-09-20 14:57:04,449 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 19 [2018-09-20 14:57:04,480 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 14:57:04,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:57:04,500 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:57:04,500 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:57:04,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:57:04,501 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:57:04,501 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:57:04,502 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand 10 states. [2018-09-20 14:57:24,513 WARN L178 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-20 14:57:34,501 WARN L178 SmtUtils]: Spent 8.15 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:57:40,946 WARN L178 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:57:44,088 WARN L178 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:57:51,792 WARN L178 SmtUtils]: Spent 3.79 s on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:57:58,795 WARN L178 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:58:16,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:58:16,572 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2018-09-20 14:58:16,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 14:58:16,573 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-09-20 14:58:16,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:58:16,574 INFO L225 Difference]: With dead ends: 109 [2018-09-20 14:58:16,574 INFO L226 Difference]: Without dead ends: 84 [2018-09-20 14:58:16,578 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 54.7s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-09-20 14:58:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-20 14:58:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2018-09-20 14:58:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-20 14:58:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2018-09-20 14:58:16,594 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 61 [2018-09-20 14:58:16,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:58:16,594 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2018-09-20 14:58:16,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:58:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2018-09-20 14:58:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-20 14:58:16,601 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:58:16,601 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, 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 14:58:16,601 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:58:16,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1798041729, now seen corresponding path program 1 times [2018-09-20 14:58:16,602 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:58:16,602 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 14:58:16,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:58:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:58:20,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:58:25,266 WARN L178 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 14:58:25,718 INFO L303 Elim1Store]: Index analysis took 449 ms [2018-09-20 14:58:25,719 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 14:58:26,093 INFO L303 Elim1Store]: Index analysis took 373 ms [2018-09-20 14:58:26,094 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 14:58:26,094 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:58:26,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:58:27,948 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 14:58:27,948 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-09-20 14:58:33,105 WARN L178 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:58:33,233 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-09-20 14:58:33,234 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 14:58:33,466 INFO L303 Elim1Store]: Index analysis took 231 ms [2018-09-20 14:58:33,467 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 14:58:33,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:58:33,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:58:35,086 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 14:58:35,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:22 [2018-09-20 14:58:39,672 WARN L178 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 19 [2018-09-20 14:58:45,339 WARN L178 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 19 [2018-09-20 14:58:49,816 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:58:54,384 WARN L178 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:58:54,409 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 14:58:54,409 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:58:54,468 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:58:54,468 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 14:58:54,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 14:58:54,469 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 14:58:54,469 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-20 14:58:54,470 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 11 states. [2018-09-20 14:59:16,054 WARN L178 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-20 14:59:21,654 WARN L178 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:59:26,555 WARN L178 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:59:32,496 WARN L178 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 14:59:38,586 WARN L178 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 14:59:45,254 WARN L178 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 23 [2018-09-20 15:00:01,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:00:01,502 INFO L93 Difference]: Finished difference Result 107 states and 112 transitions. [2018-09-20 15:00:01,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:00:01,504 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-09-20 15:00:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:00:01,507 INFO L225 Difference]: With dead ends: 107 [2018-09-20 15:00:01,508 INFO L226 Difference]: Without dead ends: 79 [2018-09-20 15:00:01,508 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 58.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-20 15:00:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-20 15:00:01,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-20 15:00:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-20 15:00:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2018-09-20 15:00:01,517 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 77 [2018-09-20 15:00:01,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:00:01,518 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2018-09-20 15:00:01,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:00:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2018-09-20 15:00:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-20 15:00:01,521 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:00:01,521 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, 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 15:00:01,522 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:00:01,522 INFO L82 PathProgramCache]: Analyzing trace with hash -583461870, now seen corresponding path program 1 times [2018-09-20 15:00:01,522 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:00:01,523 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:00:01,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:00:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:00:02,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:00:08,165 WARN L178 SmtUtils]: Spent 3.42 s on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:00:08,543 INFO L303 Elim1Store]: Index analysis took 374 ms [2018-09-20 15:00:08,544 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 15:00:09,032 INFO L303 Elim1Store]: Index analysis took 486 ms [2018-09-20 15:00:09,033 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 15:00:09,033 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:00:09,324 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:00:10,765 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 15:00:10,766 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:33 [2018-09-20 15:00:14,363 WARN L178 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 30 [2018-09-20 15:00:14,489 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-09-20 15:00:14,490 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 15:00:14,689 INFO L303 Elim1Store]: Index analysis took 198 ms [2018-09-20 15:00:14,690 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 15:00:14,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:00:15,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:00:17,060 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 15:00:17,061 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:27 [2018-09-20 15:00:20,527 WARN L178 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 24 [2018-09-20 15:00:24,276 WARN L178 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 24 [2018-09-20 15:00:30,141 WARN L178 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 15:00:38,069 WARN L178 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 15:00:52,204 WARN L178 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 30 [2018-09-20 15:00:52,240 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 15:00:52,240 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:00:52,270 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:00:52,271 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-20 15:00:52,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-20 15:00:52,272 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-20 15:00:52,272 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:00:52,272 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand 13 states. [2018-09-20 15:01:14,633 WARN L178 SmtUtils]: Spent 3.83 s on a formula simplification that was a NOOP. DAG size: 32 [2018-09-20 15:01:20,365 WARN L178 SmtUtils]: Spent 3.65 s on a formula simplification that was a NOOP. DAG size: 36 [2018-09-20 15:01:28,058 WARN L178 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 40 [2018-09-20 15:01:32,298 WARN L178 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 36 [2018-09-20 15:01:38,384 WARN L178 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:01:53,089 WARN L178 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 15:02:05,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:02:05,450 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2018-09-20 15:02:05,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:02:05,452 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2018-09-20 15:02:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:02:05,454 INFO L225 Difference]: With dead ends: 104 [2018-09-20 15:02:05,454 INFO L226 Difference]: Without dead ends: 79 [2018-09-20 15:02:05,455 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 78.0s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2018-09-20 15:02:05,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-20 15:02:05,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-20 15:02:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-20 15:02:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-09-20 15:02:05,465 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-09-20 15:02:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:02:05,466 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-09-20 15:02:05,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-20 15:02:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-09-20 15:02:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-20 15:02:05,467 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:02:05,469 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, 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 15:02:05,469 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:02:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1634296083, now seen corresponding path program 1 times [2018-09-20 15:02:05,470 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:02:05,470 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 15:02:05,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:02:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:02:07,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:02:07,635 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:02:07,636 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:02:07,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-20 15:02:07,646 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:02:07,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 15:02:07,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:07,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:07,718 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 15:02:07,719 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 15:02:07,909 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 42 treesize of output 33 [2018-09-20 15:02:07,925 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:02:07,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-09-20 15:02:07,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:07,974 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:08,012 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:08,012 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-20 15:02:10,103 WARN L178 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-20 15:02:10,133 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 26 treesize of output 20 [2018-09-20 15:02:10,160 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:02:10,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-09-20 15:02:10,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:10,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:10,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:10,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-20 15:02:10,470 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 15:02:10,470 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:02:10,511 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:02:10,511 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 15:02:10,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 15:02:10,512 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 15:02:10,512 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-09-20 15:02:10,512 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 11 states. [2018-09-20 15:02:12,004 WARN L178 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 15:02:14,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:02:14,449 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-09-20 15:02:14,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:02:14,452 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-09-20 15:02:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:02:14,453 INFO L225 Difference]: With dead ends: 79 [2018-09-20 15:02:14,453 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:02:14,454 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:02:14,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:02:14,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:02:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:02:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:02:14,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2018-09-20 15:02:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:02:14,457 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:02:14,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:02:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:02:14,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:02:14,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:02:20,169 WARN L178 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2018-09-20 15:02:43,531 WARN L178 SmtUtils]: Spent 23.21 s on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2018-09-20 15:02:43,597 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:02:43,597 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 15:02:43,598 INFO L426 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L54-1(line 54) no Hoare annotation was computed. [2018-09-20 15:02:43,599 INFO L426 ceAbstractionStarter]: For program point L54-2(line 54) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L54-3(line 54) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L429 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L80-1(line 80) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L80-2(line 80) no Hoare annotation was computed. [2018-09-20 15:02:43,600 INFO L426 ceAbstractionStarter]: For program point L80-3(line 80) no Hoare annotation was computed. [2018-09-20 15:02:43,602 INFO L426 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-09-20 15:02:43,602 INFO L422 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((|v_q#valueAsBitvector_17| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_17|) ((_ extract 62 52) |v_q#valueAsBitvector_17|) ((_ extract 51 0) |v_q#valueAsBitvector_17|)) |__ieee754_log_#in~x|) (= ((_ extract 63 32) |v_q#valueAsBitvector_17|) __ieee754_log_~hx~1) (= ((_ extract 31 0) |v_q#valueAsBitvector_17|) __ieee754_log_~lx~1))) (= __ieee754_log_~x (fp.mul RNE |__ieee754_log_#in~x| ~two54_log~0)) (exists ((|v_q#valueAsBitvector_17| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_17|) ((_ extract 62 52) |v_q#valueAsBitvector_17|) ((_ extract 51 0) |v_q#valueAsBitvector_17|)) |__ieee754_log_#in~x|) (not (= (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_17|) (_ bv2147483647 32)) ((_ extract 31 0) |v_q#valueAsBitvector_17|)) (_ bv0 32))))) (= (bvadd __ieee754_log_~k~0 (_ bv54 32)) (_ bv0 32))) (not (= ((_ to_fp 11 53) RNE 18014398509481984.0) ~two54_log~0))) [2018-09-20 15:02:43,602 INFO L426 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-09-20 15:02:43,602 INFO L426 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L66-3(line 66) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L422 ceAbstractionStarter]: At program point L50-3(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0)) (not (= ((_ to_fp 11 53) RNE 18014398509481984.0) ~two54_log~0))) [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L50-4(lines 50 55) no Hoare annotation was computed. [2018-09-20 15:02:43,603 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L51-3(line 51) no Hoare annotation was computed. [2018-09-20 15:02:43,606 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 81) the Hoare annotation is: (or (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))) (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv1048576 32)))))) (not (= (_ +zero 11 53) ~zero~0)) (and (= __ieee754_log_~x (fp.mul RNE |__ieee754_log_#in~x| ~two54_log~0)) (exists ((|v_q#valueAsBitvector_16| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_16|))) (and (= __ieee754_log_~i~0 (bvand (bvadd (bvand .cse0 (_ bv1048575 32)) (_ bv614244 32)) (_ bv1048576 32))) (= (fp.mul RNE |__ieee754_log_#in~x| ~two54_log~0) (fp ((_ extract 63 63) |v_q#valueAsBitvector_16|) ((_ extract 62 52) |v_q#valueAsBitvector_16|) ((_ extract 51 0) |v_q#valueAsBitvector_16|))) (= (bvadd __ieee754_log_~k~0 (_ bv1077 32)) (bvashr .cse0 (_ bv20 32)))))) (exists ((|v_q#valueAsBitvector_17| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_17|) ((_ extract 62 52) |v_q#valueAsBitvector_17|) ((_ extract 51 0) |v_q#valueAsBitvector_17|)) |__ieee754_log_#in~x|) (not (= (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_17|) (_ bv2147483647 32)) ((_ extract 31 0) |v_q#valueAsBitvector_17|)) (_ bv0 32))))) (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) (fp.mul RNE |__ieee754_log_#in~x| ~two54_log~0)) (= __ieee754_log_~hx~1 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_15|) (_ bv1048575 32)))))) (not (= ((_ to_fp 11 53) RNE 18014398509481984.0) ~two54_log~0))) [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 81) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 15:02:43,607 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 15:02:43,608 INFO L426 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-09-20 15:02:43,610 INFO L426 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-09-20 15:02:43,611 INFO L422 ceAbstractionStarter]: At program point L20-3(lines 20 25) the Hoare annotation is: (or (= isinf_double_~x |isinf_double_#in~x|) (not (= (_ +zero 11 53) ~zero~0)) (not (= ((_ to_fp 11 53) RNE 18014398509481984.0) ~two54_log~0))) [2018-09-20 15:02:43,611 INFO L426 ceAbstractionStarter]: For program point L20-4(lines 20 25) no Hoare annotation was computed. [2018-09-20 15:02:43,611 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-09-20 15:02:43,611 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-09-20 15:02:43,611 INFO L429 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 18 30) the Hoare annotation is: true [2018-09-20 15:02:43,611 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:02:43,611 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero~0) (= ((_ to_fp 11 53) RNE 18014398509481984.0) ~two54_log~0)) [2018-09-20 15:02:43,611 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:02:43,611 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:02:43,612 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2018-09-20 15:02:43,612 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 126 142) the Hoare annotation is: true [2018-09-20 15:02:43,612 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 126 142) no Hoare annotation was computed. [2018-09-20 15:02:43,612 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-20 15:02:43,612 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 126 142) no Hoare annotation was computed. [2018-09-20 15:02:43,612 INFO L422 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE 18014398509481984.0))) (or (and (= (fp.div RNE (fp.neg .cse0) (_ +zero 11 53)) main_~res~0) (= (_ +zero 11 53) main_~x~0)) (not (= (_ +zero 11 53) ~zero~0)) (not (= .cse0 ~two54_log~0)))) [2018-09-20 15:02:43,612 INFO L426 ceAbstractionStarter]: For program point L136-1(lines 136 139) no Hoare annotation was computed. [2018-09-20 15:02:43,612 INFO L422 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (or (= (_ +zero 11 53) main_~x~0) (not (= (_ +zero 11 53) ~zero~0)) (not (= ((_ to_fp 11 53) RNE 18014398509481984.0) ~two54_log~0))) [2018-09-20 15:02:43,613 INFO L426 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-09-20 15:02:43,621 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,622 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,622 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,623 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,623 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,626 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,626 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,626 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,626 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,626 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,627 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,627 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,633 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,635 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,635 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,635 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,636 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,636 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,636 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,636 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,637 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,637 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,637 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,637 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,642 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,643 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,643 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,643 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,645 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,646 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,646 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,646 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,646 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,647 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,647 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,647 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,647 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,650 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,650 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,651 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,651 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,651 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,652 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,652 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,652 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,652 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,652 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,653 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,653 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,653 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,658 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,659 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,659 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,659 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,659 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,660 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,660 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,660 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,660 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,660 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,661 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,661 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,661 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,661 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,661 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,665 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,666 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,666 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,666 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,666 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,668 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,668 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:02:43 BoogieIcfgContainer [2018-09-20 15:02:43,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:02:43,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:02:43,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:02:43,673 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:02:43,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:31" (3/4) ... [2018-09-20 15:02:43,679 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:02:43,687 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:02:43,687 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-20 15:02:43,687 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-20 15:02:43,688 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:02:43,697 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-09-20 15:02:43,698 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-09-20 15:02:43,698 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:02:43,699 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:02:43,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) [2018-09-20 15:02:43,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) [2018-09-20 15:02:43,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || ((((\exists v_q#valueAsBitvector_17 : bv64 :: (~fp~LONGDOUBLE(v_q#valueAsBitvector_17[63:63], v_q#valueAsBitvector_17[62:52], v_q#valueAsBitvector_17[51:0]) == \old(x) && v_q#valueAsBitvector_17[63:32] == hx) && v_q#valueAsBitvector_17[31:0] == lx) && x == ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log)) && (\exists v_q#valueAsBitvector_17 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_17[63:63], v_q#valueAsBitvector_17[62:52], v_q#valueAsBitvector_17[51:0]) == \old(x) && !(~bvor32(~bvand32(v_q#valueAsBitvector_17[63:32], 2147483647bv32), v_q#valueAsBitvector_17[31:0]) == 0bv32))) && ~bvadd64(k, 54bv32) == 0bv32)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) [2018-09-20 15:02:43,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == \old(x) && (\exists v_q#valueAsBitvector_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]) && !~bvslt32(v_q#valueAsBitvector_10[63:32], 1048576bv32))) || !(~Pluszero~LONGDOUBLE() == zero)) || (((x == ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log) && (\exists v_q#valueAsBitvector_16 : bv64 :: (i == ~bvand32(~bvadd64(~bvand32(v_q#valueAsBitvector_16[63:32], 1048575bv32), 614244bv32), 1048576bv32) && ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_16[63:63], v_q#valueAsBitvector_16[62:52], v_q#valueAsBitvector_16[51:0])) && ~bvadd64(k, 1077bv32) == ~bvashr32(v_q#valueAsBitvector_16[63:32], 20bv32))) && (\exists v_q#valueAsBitvector_17 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_17[63:63], v_q#valueAsBitvector_17[62:52], v_q#valueAsBitvector_17[51:0]) == \old(x) && !(~bvor32(~bvand32(v_q#valueAsBitvector_17[63:32], 2147483647bv32), v_q#valueAsBitvector_17[31:0]) == 0bv32))) && (\exists v_q#valueAsBitvector_15 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log) && hx == ~bvand32(v_q#valueAsBitvector_15[63:32], 1048575bv32)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) [2018-09-20 15:02:43,791 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:02:43,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:02:43,796 INFO L168 Benchmark]: Toolchain (without parser) took 457192.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -85.7 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:43,798 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 15:02:43,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:43,802 INFO L168 Benchmark]: Boogie Preprocessor took 75.36 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:02:43,803 INFO L168 Benchmark]: RCFGBuilder took 24738.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:43,803 INFO L168 Benchmark]: TraceAbstraction took 431715.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.0 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:43,804 INFO L168 Benchmark]: Witness Printer took 122.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:43,811 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 531.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.36 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 24738.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 431715.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.0 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. * Witness Printer took 122.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant [2018-09-20 15:02:43,829 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,829 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,829 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,830 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,831 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,831 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,831 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,831 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,836 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,836 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,836 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,836 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,839 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,840 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,841 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,841 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || ((((\exists v_q#valueAsBitvector_17 : bv64 :: (~fp~LONGDOUBLE(v_q#valueAsBitvector_17[63:63], v_q#valueAsBitvector_17[62:52], v_q#valueAsBitvector_17[51:0]) == \old(x) && v_q#valueAsBitvector_17[63:32] == hx) && v_q#valueAsBitvector_17[31:0] == lx) && x == ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log)) && (\exists v_q#valueAsBitvector_17 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_17[63:63], v_q#valueAsBitvector_17[62:52], v_q#valueAsBitvector_17[51:0]) == \old(x) && !(~bvor32(~bvand32(v_q#valueAsBitvector_17[63:32], 2147483647bv32), v_q#valueAsBitvector_17[31:0]) == 0bv32))) && ~bvadd64(k, 54bv32) == 0bv32)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) - InvariantResult [Line: 20]: Loop Invariant [2018-09-20 15:02:43,841 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,842 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) - InvariantResult [Line: 50]: Loop Invariant [2018-09-20 15:02:43,842 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,843 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero)) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) - InvariantResult [Line: 76]: Loop Invariant [2018-09-20 15:02:43,848 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,849 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,849 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,849 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,849 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,849 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,850 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,851 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,851 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,851 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,851 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,851 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,854 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,854 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,854 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,854 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,854 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,854 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,859 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,860 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,860 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,860 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 15:02:43,860 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,860 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,860 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_16,QUANTIFIED] [2018-09-20 15:02:43,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,863 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,863 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,863 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,864 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_17,QUANTIFIED] [2018-09-20 15:02:43,864 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,864 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,864 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,864 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:02:43,867 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:02:43,868 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (((x == \old(x) && (\exists v_q#valueAsBitvector_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]) && !~bvslt32(v_q#valueAsBitvector_10[63:32], 1048576bv32))) || !(~Pluszero~LONGDOUBLE() == zero)) || (((x == ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log) && (\exists v_q#valueAsBitvector_16 : bv64 :: (i == ~bvand32(~bvadd64(~bvand32(v_q#valueAsBitvector_16[63:32], 1048575bv32), 614244bv32), 1048576bv32) && ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_16[63:63], v_q#valueAsBitvector_16[62:52], v_q#valueAsBitvector_16[51:0])) && ~bvadd64(k, 1077bv32) == ~bvashr32(v_q#valueAsBitvector_16[63:32], 20bv32))) && (\exists v_q#valueAsBitvector_17 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_17[63:63], v_q#valueAsBitvector_17[62:52], v_q#valueAsBitvector_17[51:0]) == \old(x) && !(~bvor32(~bvand32(v_q#valueAsBitvector_17[63:32], 2147483647bv32), v_q#valueAsBitvector_17[31:0]) == 0bv32))) && (\exists v_q#valueAsBitvector_15 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == ~fp.mul~DOUBLE(RoundingMode_RNE, \old(x), two54_log) && hx == ~bvand32(v_q#valueAsBitvector_15[63:32], 1048575bv32)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.8014398509481984E16) == two54_log) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 86 locations, 1 error locations. SAFE Result, 431.5s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 272.0s AutomataDifference, 0.0s DeadEndRemovalTime, 29.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 588 SDtfs, 484 SDslu, 3169 SDs, 0 SdLazy, 1045 SolverSat, 62 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 155.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 206.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 26 PreInvPairs, 32 NumberOfFragments, 254 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 29.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 9.3s SatisfiabilityAnalysisTime, 120.3s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 455 ConstructedInterpolants, 154 QuantifiedInterpolants, 334977 SizeOfPredicates, 60 NumberOfNonLiveVariables, 1189 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...