/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920a_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_0920a_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 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b ................................................................................................................................................................................................................................................................................................................................................ 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_0920a_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 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:55:15,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:55:15,923 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:55:15,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:55:15,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:55:15,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:55:15,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:55:15,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:55:15,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:55:15,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:55:15,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:55:15,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:55:15,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:55:15,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:55:15,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:55:15,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:55:15,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:55:15,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:55:15,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:55:15,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:55:15,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:55:15,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:55:15,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:55:15,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:55:15,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:55:15,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:55:15,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:55:15,964 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:55:15,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:55:15,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:55:15,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:55:15,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:55:15,967 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:55:15,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:55:15,968 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:55:15,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:55:15,969 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:55:15,985 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:55:15,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:55:15,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:55:15,988 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:55:15,989 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:55:15,989 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:55:15,989 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:55:15,989 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:55:15,991 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:55:15,991 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:55:15,991 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:55:15,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:55:15,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:55:15,992 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:55:15,992 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:55:15,992 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:55:15,992 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:55:15,994 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:55:15,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:55:15,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:55:15,995 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:55:15,995 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:55:15,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:55:15,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:55:15,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:55:15,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:55:15,997 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:55:15,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:55:15,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:55:15,998 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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2018-09-20 14:55:16,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:55:16,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:55:16,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:55:16,071 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:55:16,072 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:55:16,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-09-20 14:55:16,420 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51e4b9b4/f3251b6e75db4f69a8e3503e7c22494b/FLAGeea7f8dcd [2018-09-20 14:55:16,582 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:55:16,583 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-09-20 14:55:16,592 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51e4b9b4/f3251b6e75db4f69a8e3503e7c22494b/FLAGeea7f8dcd [2018-09-20 14:55:16,608 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a51e4b9b4/f3251b6e75db4f69a8e3503e7c22494b [2018-09-20 14:55:16,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:55:16,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:55:16,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:16,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:55:16,625 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:55:16,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:16" (1/1) ... [2018-09-20 14:55:16,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b1e417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:16, skipping insertion in model container [2018-09-20 14:55:16,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:16" (1/1) ... [2018-09-20 14:55:16,644 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:55:16,979 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:17,009 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:55:17,071 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:17,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17 WrapperNode [2018-09-20 14:55:17,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:17,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:55:17,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:55:17,109 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:55:17,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (1/1) ... [2018-09-20 14:55:17,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:55:17,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:55:17,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:55:17,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:55:17,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (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 14:55:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:55:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:55:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:55:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 14:55:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-20 14:55:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:55:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:55:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:55:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:55:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:55:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:55:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:55:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:55:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:55:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:55:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:55:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:55:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:55:18,275 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:55:18,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:18 BoogieIcfgContainer [2018-09-20 14:55:18,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:55:18,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:55:18,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:55:18,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:55:18,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:55:16" (1/3) ... [2018-09-20 14:55:18,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742d7efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:18, skipping insertion in model container [2018-09-20 14:55:18,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:17" (2/3) ... [2018-09-20 14:55:18,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742d7efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:18, skipping insertion in model container [2018-09-20 14:55:18,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:18" (3/3) ... [2018-09-20 14:55:18,286 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-09-20 14:55:18,295 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:55:18,303 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:55:18,355 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:55:18,356 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:55:18,356 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:55:18,356 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:55:18,357 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:55:18,357 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:55:18,358 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:55:18,358 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:55:18,358 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:55:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2018-09-20 14:55:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-20 14:55:18,391 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:18,392 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 14:55:18,395 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:18,401 INFO L82 PathProgramCache]: Analyzing trace with hash -590767215, now seen corresponding path program 1 times [2018-09-20 14:55:18,404 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:55:18,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:55:18,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:18,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:18,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:18,589 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 14:55:18,592 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:18,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 14:55:18,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 14:55:18,616 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 14:55:18,617 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 14:55:18,621 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 3 states. [2018-09-20 14:55:18,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:55:18,684 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2018-09-20 14:55:18,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 14:55:18,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-20 14:55:18,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:55:18,698 INFO L225 Difference]: With dead ends: 174 [2018-09-20 14:55:18,698 INFO L226 Difference]: Without dead ends: 86 [2018-09-20 14:55:18,703 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 14:55:18,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-09-20 14:55:18,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-09-20 14:55:18,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-09-20 14:55:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-09-20 14:55:18,756 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 24 [2018-09-20 14:55:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:55:18,757 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-09-20 14:55:18,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 14:55:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-09-20 14:55:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-20 14:55:18,761 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:18,761 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] [2018-09-20 14:55:18,762 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:18,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1659555941, now seen corresponding path program 1 times [2018-09-20 14:55:18,763 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:55:18,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:55:18,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:18,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:18,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:55:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:55:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:55:19,028 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:55:19,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:55:19 BoogieIcfgContainer [2018-09-20 14:55:19,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:55:19,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:55:19,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:55:19,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:55:19,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:18" (3/4) ... [2018-09-20 14:55:19,139 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:55:19,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:55:19,140 INFO L168 Benchmark]: Toolchain (without parser) took 2527.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:19,143 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 14:55:19,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:19,145 INFO L168 Benchmark]: Boogie Preprocessor took 75.04 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:55:19,147 INFO L168 Benchmark]: RCFGBuilder took 1092.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:19,149 INFO L168 Benchmark]: TraceAbstraction took 853.91 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:55:19,149 INFO L168 Benchmark]: Witness Printer took 7.34 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 14:55:19,156 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 491.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.04 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1092.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 853.91 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.34 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: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72. 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)=6442450962, \old(Lg2_log)=6442450965, \old(Lg3_log)=6442450945, \old(Lg4_log)=6442450948, \old(Lg5_log)=6442450950, \old(Lg6_log)=6442450959, \old(Lg7_log)=6442450958, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450953, \old(two54_log)=6442450960, \old(zero)=6442450963, 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] [L146] double x = __VERIFIER_nondet_double(); [L148] EXPR x < 0 && isfinite_double(x) 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=6442450949, x < 0 && isfinite_double(x)=1, zero=0] [L148] COND TRUE, EXPR x < 0 && isfinite_double(x) 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=6442450949, x < 0 && isfinite_double(x)=1, zero=0] [L148] CALL, EXPR isfinite_double(x) VAL [\old(x)=6442450949, 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] [L127] __int32_t hx; VAL [\old(x)=6442450949, 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=6442450949, zero=0] [L129] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=6442450949, gh_u={6442450961:0}, 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=6442450949, zero=0] [L130] FCALL gh_u.value = (x) VAL [\old(x)=6442450949, gh_u={6442450961:0}, 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=6442450949, zero=0] [L131] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=6442450949, gh_u={6442450961:0}, gh_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=6442450949, zero=0] [L131] (hx) = gh_u.parts.msw VAL [\old(x)=6442450949, gh_u={6442450961:0}, gh_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=6442450949, zero=0] [L131] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=6442450955, \old(x)=6442450949, gh_u={6442450961:0}, gh_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=6442450949, zero=0] [L132] COND FALSE !(0) VAL [\old(x)=6442450949, 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=6442450949, zero=0] [L133] RET return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=6442450949, \result=-1, 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=6442450949, zero=0] [L148] EXPR isfinite_double(x) VAL [isfinite_double(x)=-1, 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=6442450949, x < 0 && isfinite_double(x)=1, zero=0] [L148] EXPR x < 0 && isfinite_double(x) VAL [isfinite_double(x)=-1, 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=6442450949, x < 0 && isfinite_double(x)=1, zero=0] [L148] COND TRUE (x < 0 && isfinite_double(x)) [L150] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450949, 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)=6442450949, 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=6442450949, zero=0] [L51] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6442450949, ew_u={6442450951:0}, 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=6442450949, zero=0] [L52] FCALL ew_u.value = (x) VAL [\old(x)=6442450949, ew_u={6442450951:0}, 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=6442450949, zero=0] [L53] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6442450949, ew_u={6442450951:0}, 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=6442450949, zero=0] [L53] (hx) = ew_u.parts.msw VAL [\old(x)=6442450949, ew_u={6442450951:0}, 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=6442450949, zero=0] [L53] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6442450957, \old(x)=6442450949, ew_u={6442450951:0}, 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=6442450949, zero=0] [L54] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6442450949, ew_u={6442450951:0}, ew_u.parts.lsw=6442450952, 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=6442450949, zero=0] [L54] (lx) = ew_u.parts.lsw VAL [\old(x)=6442450949, ew_u={6442450951:0}, ew_u.parts.lsw=6442450952, 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=2147483656, two54_log=18014398509481984, x=6442450949, zero=0] [L54] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6442450956, \old(x)=6442450949, ew_u={6442450951:0}, ew_u.parts.lsw=6442450952, 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=2147483656, two54_log=18014398509481984, x=6442450949, zero=0] [L55] COND FALSE !(0) VAL [\old(x)=6442450949, 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=2147483656, two54_log=18014398509481984, x=6442450949, zero=0] [L57] k = 0 VAL [\old(x)=6442450949, 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=2147483656, two54_log=18014398509481984, x=6442450949, zero=0] [L58] COND FALSE !(hx < 0x00100000) VAL [\old(x)=6442450949, 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=2147483656, two54_log=18014398509481984, x=6442450949, zero=0] [L71] COND TRUE hx >= 0x7ff00000 [L72] RET return x + x; VAL [\old(x)=6442450949, 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=2147483656, two54_log=18014398509481984, x=6442450949, zero=0] [L150] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450964, 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=6442450949, zero=0] [L150] double res = __ieee754_log(x); [L153] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450964, 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] [L137] RET return x != x; VAL [\old(x)=6442450964, \result=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=6442450964, zero=0] [L153] EXPR isnan_double(res) VAL [isnan_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=6442450964, two54_log=18014398509481984, x=6442450949, zero=0] [L153] COND TRUE !isnan_double(res) [L154] __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=6442450964, two54_log=18014398509481984, x=6442450949, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 102 SDtfs, 0 SDslu, 97 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred 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, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 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 14:55:21,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:55:21,587 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:55:21,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:55:21,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:55:21,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:55:21,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:55:21,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:55:21,606 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:55:21,607 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:55:21,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:55:21,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:55:21,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:55:21,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:55:21,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:55:21,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:55:21,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:55:21,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:55:21,619 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:55:21,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:55:21,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:55:21,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:55:21,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:55:21,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:55:21,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:55:21,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:55:21,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:55:21,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:55:21,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:55:21,633 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:55:21,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:55:21,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:55:21,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:55:21,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:55:21,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:55:21,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:55:21,637 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:55:21,655 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:55:21,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:55:21,656 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:55:21,656 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:55:21,657 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:55:21,658 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:55:21,658 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:55:21,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:55:21,659 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:55:21,659 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:55:21,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:55:21,659 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:55:21,660 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:55:21,660 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:55:21,661 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:55:21,661 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:55:21,661 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:55:21,661 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:55:21,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:55:21,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:55:21,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:55:21,663 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:55:21,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:55:21,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:55:21,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:55:21,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:55:21,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:55:21,664 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:55:21,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:55:21,664 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:55:21,664 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:55:21,666 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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2018-09-20 14:55:21,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:55:21,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:55:21,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:55:21,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:55:21,737 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:55:21,738 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-09-20 14:55:22,109 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22721b246/be04b84fe25845039659dd334879977c/FLAG933a9a336 [2018-09-20 14:55:22,321 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:55:22,322 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-09-20 14:55:22,332 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22721b246/be04b84fe25845039659dd334879977c/FLAG933a9a336 [2018-09-20 14:55:22,349 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22721b246/be04b84fe25845039659dd334879977c [2018-09-20 14:55:22,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:55:22,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:55:22,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:22,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:55:22,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:55:22,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0c925f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22, skipping insertion in model container [2018-09-20 14:55:22,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,385 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:55:22,657 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:22,678 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:55:22,724 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:22,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22 WrapperNode [2018-09-20 14:55:22,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:22,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:55:22,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:55:22,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:55:22,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (1/1) ... [2018-09-20 14:55:22,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:55:22,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:55:22,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:55:22,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:55:22,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (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 14:55:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:55:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:55:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:55:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 14:55:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-09-20 14:55:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:55:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:55:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:55:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 14:55:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:55:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:55:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-09-20 14:55:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:55:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:55:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:55:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:55:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:55:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:55:23,308 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:23,361 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:39,077 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:39,091 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:39,122 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:44,466 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:44,478 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:44,635 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:49,082 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:49,130 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:49,179 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:49,331 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:55:49,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:49 BoogieIcfgContainer [2018-09-20 14:55:49,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:55:49,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:55:49,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:55:49,337 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:55:49,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:55:22" (1/3) ... [2018-09-20 14:55:49,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463ca10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:49, skipping insertion in model container [2018-09-20 14:55:49,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:22" (2/3) ... [2018-09-20 14:55:49,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463ca10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:55:49, skipping insertion in model container [2018-09-20 14:55:49,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:49" (3/3) ... [2018-09-20 14:55:49,342 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-09-20 14:55:49,353 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:55:49,363 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:55:49,414 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:55:49,415 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:55:49,415 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:55:49,415 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:55:49,415 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:55:49,415 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:55:49,416 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:55:49,416 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:55:49,416 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:55:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2018-09-20 14:55:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 14:55:49,447 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:49,449 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 14:55:49,452 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:49,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1324264884, now seen corresponding path program 1 times [2018-09-20 14:55:49,464 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:55:49,465 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:55:49,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:49,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:55:49,664 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 14:55:49,665 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:55:49,683 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:49,683 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:55:49,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:55:49,700 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:55:49,701 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:55:49,703 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2018-09-20 14:55:49,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:55:49,735 INFO L93 Difference]: Finished difference Result 171 states and 213 transitions. [2018-09-20 14:55:49,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:55:49,737 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 14:55:49,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:55:49,749 INFO L225 Difference]: With dead ends: 171 [2018-09-20 14:55:49,750 INFO L226 Difference]: Without dead ends: 85 [2018-09-20 14:55:49,755 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 14:55:49,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-20 14:55:49,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-20 14:55:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-20 14:55:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-09-20 14:55:49,812 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 23 [2018-09-20 14:55:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:55:49,812 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-09-20 14:55:49,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:55:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-09-20 14:55:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-20 14:55:49,816 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:49,816 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] [2018-09-20 14:55:49,816 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:49,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1802213880, now seen corresponding path program 1 times [2018-09-20 14:55:49,818 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:55:49,818 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 14:55:49,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:50,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:55:50,110 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 14:55:50,111 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:55:50,132 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:50,132 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 14:55:50,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 14:55:50,136 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 14:55:50,136 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 14:55:50,137 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 3 states. [2018-09-20 14:55:50,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:55:50,186 INFO L93 Difference]: Finished difference Result 147 states and 168 transitions. [2018-09-20 14:55:50,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 14:55:50,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-20 14:55:50,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:55:50,189 INFO L225 Difference]: With dead ends: 147 [2018-09-20 14:55:50,190 INFO L226 Difference]: Without dead ends: 85 [2018-09-20 14:55:50,191 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 14:55:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-20 14:55:50,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-20 14:55:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-20 14:55:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-09-20 14:55:50,204 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 36 [2018-09-20 14:55:50,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:55:50,205 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-09-20 14:55:50,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 14:55:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-09-20 14:55:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-20 14:55:50,208 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:55:50,208 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] [2018-09-20 14:55:50,208 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:55:50,209 INFO L82 PathProgramCache]: Analyzing trace with hash 34075258, now seen corresponding path program 1 times [2018-09-20 14:55:50,209 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:55:50,210 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 14:55:50,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:55:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:55:50,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:55:50,672 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 14:55:50,680 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 14:55:50,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:50,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:50,709 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 14:55:50,710 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:55:50,782 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 14:55:50,792 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 14:55:50,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:55:50,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:55:50,874 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 14:55:50,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:55:51,178 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 14:55:51,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:55:51,195 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:55:51,196 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:55:51,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:55:51,196 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:55:51,197 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:55:51,197 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 9 states. [2018-09-20 14:55:51,603 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-09-20 14:56:10,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:10,062 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2018-09-20 14:56:10,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 14:56:10,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-09-20 14:56:10,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:10,914 INFO L225 Difference]: With dead ends: 120 [2018-09-20 14:56:10,914 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 14:56:10,916 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:56:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 14:56:10,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-09-20 14:56:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-20 14:56:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-09-20 14:56:10,928 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 52 [2018-09-20 14:56:10,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:10,929 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-09-20 14:56:10,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:56:10,930 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-09-20 14:56:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-20 14:56:10,931 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:10,932 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] [2018-09-20 14:56:10,932 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:10,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1898457403, now seen corresponding path program 1 times [2018-09-20 14:56:10,933 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:10,933 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 14:56:10,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:11,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:12,073 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:56:12,074 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 14:56:12,076 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 14:56:12,085 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:56:12,105 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 14:56:12,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:12,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:12,153 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 14:56:12,154 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 14:56:12,391 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 14:56:12,429 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:56:12,449 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 14:56:12,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:12,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:12,547 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 14:56:12,547 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:32 [2018-09-20 14:56:14,694 WARN L178 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-20 14:56:14,722 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 14:56:14,754 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 14:56:14,759 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 14:56:14,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:14,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:14,784 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 14:56:14,785 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:18 [2018-09-20 14:56:15,082 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 14:56:15,082 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:56:15,109 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:56:15,109 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 14:56:15,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 14:56:15,110 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 14:56:15,110 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-09-20 14:56:15,110 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 12 states. [2018-09-20 14:56:16,366 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:56:37,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:37,911 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2018-09-20 14:56:37,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 14:56:37,921 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-09-20 14:56:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:37,926 INFO L225 Difference]: With dead ends: 97 [2018-09-20 14:56:37,926 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 14:56:37,927 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2018-09-20 14:56:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 14:56:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-09-20 14:56:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-20 14:56:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2018-09-20 14:56:37,948 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 52 [2018-09-20 14:56:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:37,948 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2018-09-20 14:56:37,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 14:56:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-09-20 14:56:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-20 14:56:37,954 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:37,954 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] [2018-09-20 14:56:37,954 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:37,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1079117600, now seen corresponding path program 1 times [2018-09-20 14:56:37,955 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:37,956 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) [2018-09-20 14:56:37,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:56:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:39,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:43,152 WARN L178 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 14:56:44,551 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 14:56:44,551 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:56:44,577 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:56:44,578 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:56:44,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:56:44,579 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:56:44,579 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:56:44,579 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand 8 states. [2018-09-20 14:56:50,091 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 14:56:51,194 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 14:56:52,699 WARN L178 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-20 14:57:10,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:57:10,301 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2018-09-20 14:57:10,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-20 14:57:10,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-09-20 14:57:10,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:57:10,305 INFO L225 Difference]: With dead ends: 94 [2018-09-20 14:57:10,305 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 14:57:10,306 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-09-20 14:57:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 14:57:10,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-09-20 14:57:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-20 14:57:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2018-09-20 14:57:10,320 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 53 [2018-09-20 14:57:10,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:57:10,321 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2018-09-20 14:57:10,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:57:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2018-09-20 14:57:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-20 14:57:10,324 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:57:10,324 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] [2018-09-20 14:57:10,325 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:57:10,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1106234599, now seen corresponding path program 1 times [2018-09-20 14:57:10,325 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:57:10,326 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 14:57:10,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:57:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:57:10,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:57:10,862 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 14:57:10,869 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 14:57:10,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:57:10,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:57:10,898 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 14:57:10,898 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:57:11,052 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 14:57:11,067 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 14:57:11,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:57:11,098 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:57:11,137 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 14:57:11,138 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:57:11,464 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 14:57:11,464 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:57:11,484 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:57:11,484 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:57:11,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:57:11,485 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:57:11,485 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:57:11,486 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand 10 states. [2018-09-20 14:57:12,174 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:57:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:57:19,158 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2018-09-20 14:57:19,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 14:57:19,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2018-09-20 14:57:19,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:57:19,160 INFO L225 Difference]: With dead ends: 85 [2018-09-20 14:57:19,160 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:57:19,161 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:57:19,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:57:19,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:57:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:57:19,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:57:19,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-09-20 14:57:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:57:19,163 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:57:19,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:57:19,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:57:19,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:57:19,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:57:19,525 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2018-09-20 14:57:19,693 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-09-20 14:57:20,469 WARN L178 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-09-20 14:57:20,572 INFO L426 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-09-20 14:57:20,572 INFO L426 ceAbstractionStarter]: For program point L131-2(line 131) no Hoare annotation was computed. [2018-09-20 14:57:20,572 INFO L426 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-09-20 14:57:20,572 INFO L426 ceAbstractionStarter]: For program point L129-2(line 129) no Hoare annotation was computed. [2018-09-20 14:57:20,572 INFO L426 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-09-20 14:57:20,572 INFO L426 ceAbstractionStarter]: For program point L129-3(line 129) no Hoare annotation was computed. [2018-09-20 14:57:20,573 INFO L429 ceAbstractionStarter]: At program point L128-3(lines 128 132) the Hoare annotation is: true [2018-09-20 14:57:20,573 INFO L426 ceAbstractionStarter]: For program point L128-4(lines 128 132) no Hoare annotation was computed. [2018-09-20 14:57:20,573 INFO L426 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 126 134) no Hoare annotation was computed. [2018-09-20 14:57:20,573 INFO L426 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 126 134) no Hoare annotation was computed. [2018-09-20 14:57:20,573 INFO L429 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 126 134) the Hoare annotation is: true [2018-09-20 14:57:20,573 INFO L426 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-09-20 14:57:20,573 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-20 14:57:20,574 INFO L426 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-09-20 14:57:20,574 INFO L429 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 137) the Hoare annotation is: true [2018-09-20 14:57:20,574 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 137) no Hoare annotation was computed. [2018-09-20 14:57:20,574 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 137) no Hoare annotation was computed. [2018-09-20 14:57:20,574 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:57:20,574 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:57:20,574 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:57:20,574 INFO L426 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-09-20 14:57:20,575 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 14:57:20,576 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-20 14:57:20,577 INFO L426 ceAbstractionStarter]: For program point L54-1(line 54) no Hoare annotation was computed. [2018-09-20 14:57:20,577 INFO L426 ceAbstractionStarter]: For program point L54-2(line 54) no Hoare annotation was computed. [2018-09-20 14:57:20,577 INFO L426 ceAbstractionStarter]: For program point L54-3(line 54) no Hoare annotation was computed. [2018-09-20 14:57:20,577 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 14:57:20,577 INFO L429 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-09-20 14:57:20,577 INFO L426 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-09-20 14:57:20,577 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L80-1(line 80) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L80-2(line 80) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L80-3(line 80) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L422 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (or (and (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_15|))) (and (bvslt .cse0 (_ bv1048576 32)) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) |__ieee754_log_#in~x|) (not (bvslt .cse0 (_ bv0 32)))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|))) (= ((_ extract 31 0) |v_q#valueAsBitvector_13|) __ieee754_log_~lx~1) (= ((_ extract 63 32) |v_q#valueAsBitvector_13|) __ieee754_log_~hx~1)))) (not (= (_ +zero 11 53) ~zero~0))) [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-09-20 14:57:20,578 INFO L426 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L66-3(line 66) no Hoare annotation was computed. [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-09-20 14:57:20,579 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))) [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L50-4(lines 50 55) no Hoare annotation was computed. [2018-09-20 14:57:20,579 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L51-3(line 51) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-09-20 14:57:20,580 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_15|))) (and (bvslt .cse0 (_ bv1048576 32)) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) |__ieee754_log_#in~x|) (not (bvslt .cse0 (_ bv0 32)))))) (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((|v_q#valueAsBitvector_12| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_12|) ((_ extract 62 52) |v_q#valueAsBitvector_12|) ((_ extract 51 0) |v_q#valueAsBitvector_12|))) (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_12|) (_ bv1048576 32))))))) [2018-09-20 14:57:20,580 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 81) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 14:57:20,581 INFO L426 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-09-20 14:57:20,582 INFO L426 ceAbstractionStarter]: For program point L20-4(lines 20 25) no Hoare annotation was computed. [2018-09-20 14:57:20,583 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-09-20 14:57:20,583 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-09-20 14:57:20,583 INFO L426 ceAbstractionStarter]: For program point isinf_doubleENTRY(lines 18 30) no Hoare annotation was computed. [2018-09-20 14:57:20,583 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:57:20,583 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-09-20 14:57:20,583 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:57:20,583 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:57:20,583 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 139 160) the Hoare annotation is: true [2018-09-20 14:57:20,584 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-20 14:57:20,584 INFO L422 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (fp.lt main_~x~0 ((_ to_fp 11 53) RNE (_ bv0 32))) (exists ((__ieee754_log_~x (_ FloatingPoint 11 53))) (= (fp.div RNE (fp.sub RNE __ieee754_log_~x __ieee754_log_~x) (_ +zero 11 53)) main_~res~0)))) [2018-09-20 14:57:20,584 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 139 160) no Hoare annotation was computed. [2018-09-20 14:57:20,584 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 153 156) no Hoare annotation was computed. [2018-09-20 14:57:20,584 INFO L422 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (fp.lt main_~x~0 ((_ to_fp 11 53) RNE (_ bv0 32))) (not (= (_ +zero 11 53) ~zero~0))) [2018-09-20 14:57:20,584 INFO L426 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-09-20 14:57:20,584 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-20 14:57:20,584 INFO L422 ceAbstractionStarter]: At program point L148-1(line 148) the Hoare annotation is: (or (and |main_#t~short16| (fp.lt main_~x~0 ((_ to_fp 11 53) RNE (_ bv0 32)))) (not (= (_ +zero 11 53) ~zero~0))) [2018-09-20 14:57:20,585 INFO L426 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2018-09-20 14:57:20,585 INFO L426 ceAbstractionStarter]: For program point L148-4(lines 148 157) no Hoare annotation was computed. [2018-09-20 14:57:20,585 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-09-20 14:57:20,585 INFO L426 ceAbstractionStarter]: For program point L148-6(lines 148 157) no Hoare annotation was computed. [2018-09-20 14:57:20,585 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 139 160) no Hoare annotation was computed. [2018-09-20 14:57:20,592 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,593 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,594 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,595 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,602 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,603 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,603 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,603 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,603 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,603 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,603 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,606 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,606 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,606 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,606 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,607 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,607 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,607 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,607 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,607 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,610 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,610 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,610 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:57:20 BoogieIcfgContainer [2018-09-20 14:57:20,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:57:20,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:57:20,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:57:20,613 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:57:20,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:55:49" (3/4) ... [2018-09-20 14:57:20,618 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:57:20,625 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-09-20 14:57:20,625 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 14:57:20,625 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:57:20,626 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-20 14:57:20,626 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-20 14:57:20,626 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:57:20,633 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-09-20 14:57:20,634 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-20 14:57:20,634 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 14:57:20,635 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 14:57:20,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-09-20 14:57:20,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_15 : bv64 :: (~bvslt32(v_q#valueAsBitvector_15[63:32], 1048576bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) && !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32)) && (\exists v_q#valueAsBitvector_13 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_13[63:63], v_q#valueAsBitvector_13[62:52], v_q#valueAsBitvector_13[51:0]) && v_q#valueAsBitvector_13[31:0] == lx) && v_q#valueAsBitvector_13[63:32] == hx)) || !(~Pluszero~LONGDOUBLE() == zero) [2018-09-20 14:57:20,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_q#valueAsBitvector_15 : bv64 :: (~bvslt32(v_q#valueAsBitvector_15[63:32], 1048576bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) && !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32))) || (x == \old(x) && (\exists v_q#valueAsBitvector_12 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_12[63:63], v_q#valueAsBitvector_12[62:52], v_q#valueAsBitvector_12[51:0]) && !~bvslt32(v_q#valueAsBitvector_12[63:32], 1048576bv32))) [2018-09-20 14:57:20,724 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:57:20,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:57:20,729 INFO L168 Benchmark]: Toolchain (without parser) took 118374.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -108.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:57:20,731 INFO L168 Benchmark]: CDTParser took 0.20 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 14:57:20,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.59 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:57:20,731 INFO L168 Benchmark]: Boogie Preprocessor took 110.25 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:57:20,732 INFO L168 Benchmark]: RCFGBuilder took 26452.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:57:20,732 INFO L168 Benchmark]: TraceAbstraction took 91279.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 128.8 kB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:57:20,735 INFO L168 Benchmark]: Witness Printer took 114.61 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:57:20,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 408.59 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.25 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 26452.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 91279.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 128.8 kB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * Witness Printer took 114.61 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: 7.9 MB). Peak memory consumption was 7.9 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_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 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_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,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 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_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,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 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_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,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 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_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant [2018-09-20 14:57:20,758 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,758 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,758 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,758 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,768 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,774 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,774 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,774 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,774 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] [2018-09-20 14:57:20,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_15 : bv64 :: (~bvslt32(v_q#valueAsBitvector_15[63:32], 1048576bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) && !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32)) && (\exists v_q#valueAsBitvector_13 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_13[63:63], v_q#valueAsBitvector_13[62:52], v_q#valueAsBitvector_13[51:0]) && v_q#valueAsBitvector_13[31:0] == lx) && v_q#valueAsBitvector_13[63:32] == hx)) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 76]: Loop Invariant [2018-09-20 14:57:20,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,782 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,786 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,786 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,786 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,786 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 14:57:20,786 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,787 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,787 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] [2018-09-20 14:57:20,787 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_q#valueAsBitvector_15 : bv64 :: (~bvslt32(v_q#valueAsBitvector_15[63:32], 1048576bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) && !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32))) || (x == \old(x) && (\exists v_q#valueAsBitvector_12 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_12[63:63], v_q#valueAsBitvector_12[62:52], v_q#valueAsBitvector_12[51:0]) && !~bvslt32(v_q#valueAsBitvector_12[63:32], 1048576bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 108 locations, 1 error locations. SAFE Result, 91.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 76.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 515 SDtfs, 220 SDslu, 1948 SDs, 0 SdLazy, 431 SolverSat, 33 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 63.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 303 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 27 PreInvPairs, 34 NumberOfFragments, 151 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 274 ConstructedInterpolants, 64 QuantifiedInterpolants, 88945 SizeOfPredicates, 30 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...