/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0610_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 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_0610_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 a0b30872ee4d01f973196623f0cd272a18dfb39c --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0610_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 a0b30872ee4d01f973196623f0cd272a18dfb39c --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:45:18,101 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:45:18,103 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:45:18,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:45:18,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:45:18,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:45:18,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:45:18,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:45:18,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:45:18,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:45:18,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:45:18,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:45:18,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:45:18,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:45:18,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:45:18,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:45:18,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:45:18,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:45:18,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:45:18,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:45:18,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:45:18,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:45:18,142 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:45:18,142 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:45:18,142 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:45:18,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:45:18,145 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:45:18,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:45:18,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:45:18,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:45:18,149 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:45:18,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:45:18,150 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:45:18,150 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:45:18,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:45:18,152 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:45:18,153 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:45:18,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:45:18,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:45:18,171 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:45:18,171 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:45:18,172 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:45:18,172 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:45:18,172 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:45:18,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:45:18,173 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:45:18,173 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:45:18,173 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:45:18,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:45:18,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:45:18,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:45:18,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:45:18,175 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:45:18,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:45:18,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:45:18,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:45:18,176 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:45:18,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:45:18,178 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:45:18,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:45:18,178 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:45:18,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:45:18,179 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:45:18,179 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:45:18,179 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:45:18,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:45:18,180 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 -> a0b30872ee4d01f973196623f0cd272a18dfb39c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:45:18,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:45:18,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:45:18,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:45:18,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:45:18,249 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:45:18,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0610_true-unreach-call.c [2018-09-21 17:45:18,588 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5823bb3be/ba425b941d504076b8bd44a42f0da194/FLAG2e7490df9 [2018-09-21 17:45:18,807 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:45:18,808 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0610_true-unreach-call.c [2018-09-21 17:45:18,819 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5823bb3be/ba425b941d504076b8bd44a42f0da194/FLAG2e7490df9 [2018-09-21 17:45:18,837 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5823bb3be/ba425b941d504076b8bd44a42f0da194 [2018-09-21 17:45:18,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:45:18,845 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:45:18,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:45:18,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:45:18,855 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:45:18,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:45:18" (1/1) ... [2018-09-21 17:45:18,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34637114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:18, skipping insertion in model container [2018-09-21 17:45:18,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:45:18" (1/1) ... [2018-09-21 17:45:18,873 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:45:19,201 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:45:19,225 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:45:19,256 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:45:19,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19 WrapperNode [2018-09-21 17:45:19,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:45:19,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:45:19,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:45:19,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:45:19,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (1/1) ... [2018-09-21 17:45:19,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:45:19,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:45:19,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:45:19,402 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:45:19,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (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 [2018-09-21 17:45:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:45:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:45:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:45:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:45:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-21 17:45:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:45:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:45:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:45:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:45:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:45:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-21 17:45:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:45:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:45:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:45:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:45:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:45:20,242 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:45:20,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:45:20 BoogieIcfgContainer [2018-09-21 17:45:20,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:45:20,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:45:20,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:45:20,248 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:45:20,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:45:18" (1/3) ... [2018-09-21 17:45:20,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5324781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:45:20, skipping insertion in model container [2018-09-21 17:45:20,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:19" (2/3) ... [2018-09-21 17:45:20,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5324781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:45:20, skipping insertion in model container [2018-09-21 17:45:20,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:45:20" (3/3) ... [2018-09-21 17:45:20,253 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0610_true-unreach-call.c [2018-09-21 17:45:20,264 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:45:20,274 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:45:20,314 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:45:20,315 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:45:20,315 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:45:20,315 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:45:20,315 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:45:20,315 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:45:20,316 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:45:20,316 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:45:20,316 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:45:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-09-21 17:45:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-21 17:45:20,349 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:45:20,351 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] [2018-09-21 17:45:20,354 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:45:20,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1328487494, now seen corresponding path program 1 times [2018-09-21 17:45:20,362 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:45:20,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:45:20,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:45:20,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:45:20,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:45:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:45:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:45:20,556 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:45:20,556 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:45:20,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:45:20,572 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:45:20,573 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:45:20,575 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2018-09-21 17:45:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:45:20,598 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2018-09-21 17:45:20,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:45:20,599 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-21 17:45:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:45:20,611 INFO L225 Difference]: With dead ends: 86 [2018-09-21 17:45:20,611 INFO L226 Difference]: Without dead ends: 82 [2018-09-21 17:45:20,613 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:45:20,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-09-21 17:45:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-09-21 17:45:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-21 17:45:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-09-21 17:45:20,656 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 23 [2018-09-21 17:45:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:45:20,657 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-09-21 17:45:20,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:45:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-09-21 17:45:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-21 17:45:20,659 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:45:20,660 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] [2018-09-21 17:45:20,660 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:45:20,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1511624211, now seen corresponding path program 1 times [2018-09-21 17:45:20,661 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:45:20,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:45:20,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:45:20,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:45:20,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:45:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:45:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:45:20,840 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:45:20,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:45:20 BoogieIcfgContainer [2018-09-21 17:45:20,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:45:20,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:45:20,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:45:20,908 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:45:20,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:45:20" (3/4) ... [2018-09-21 17:45:20,912 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:45:20,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:45:20,914 INFO L168 Benchmark]: Toolchain (without parser) took 2071.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -112.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:20,916 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:45:20,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:20,917 INFO L168 Benchmark]: Boogie Preprocessor took 84.84 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:45:20,918 INFO L168 Benchmark]: RCFGBuilder took 842.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:20,919 INFO L168 Benchmark]: TraceAbstraction took 662.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-09-21 17:45:20,920 INFO L168 Benchmark]: Witness Printer took 6.07 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. [2018-09-21 17:45:20,925 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.84 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 842.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 662.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.07 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: 149]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryArithmeticDOUBLEoperation at line 144, overapproximation of bitwiseAnd at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L63-L65] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [\old(huge_atan)=25, \old(one_atan)=13, \old(pi)=21, \old(pi_o_2)=14, \old(pi_o_4)=17, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L144] double x = 0.0 / 0.0; VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L145] CALL, EXPR atan_double(x) VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L68] double w, s1, s2, z; [L69] __int32_t ix, hx, id; VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L72] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=16, gh_u={20:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L73] FCALL gh_u.value = (x) VAL [\old(x)=16, gh_u={20:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L74] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=16, gh_u={20:0}, gh_u.parts.msw=12, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L74] (hx) = gh_u.parts.msw VAL [\old(x)=16, gh_u={20:0}, gh_u.parts.msw=12, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L74] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=27, \old(x)=16, gh_u={20:0}, gh_u.parts.msw=12, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L75] COND FALSE !(0) VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L76] ix = hx & 0x7fffffff VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L77] COND FALSE !(ix >= 0x44100000) VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L91] COND TRUE ix < 0x3fdc0000 VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L92] COND TRUE ix < 0x3e200000 VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L93] COND TRUE huge_atan + x > one_atan [L94] RET return x; VAL [\old(x)=16, \result=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=12, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L145] EXPR atan_double(x) VAL [atan_double(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L145] double res = atan_double(x); [L148] CALL, EXPR isnan_double(res) VAL [\old(x)=16, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L18] RET return x != x; VAL [\old(x)=16, \result=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=16] [L148] EXPR isnan_double(res) VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=16, x=16] [L148] COND TRUE !isnan_double(res) [L149] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=16, x=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 86 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 0.1.23-5eb3fea [2018-09-21 17:45:23,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:45:23,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:45:23,341 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:45:23,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:45:23,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:45:23,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:45:23,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:45:23,354 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:45:23,356 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:45:23,358 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:45:23,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:45:23,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:45:23,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:45:23,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:45:23,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:45:23,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:45:23,373 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:45:23,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:45:23,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:45:23,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:45:23,385 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:45:23,387 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:45:23,387 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:45:23,387 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:45:23,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:45:23,389 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:45:23,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:45:23,392 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:45:23,393 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:45:23,393 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:45:23,394 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:45:23,394 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:45:23,394 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:45:23,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:45:23,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:45:23,397 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:45:23,417 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:45:23,418 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:45:23,418 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:45:23,419 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:45:23,419 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:45:23,419 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:45:23,421 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:45:23,421 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:45:23,421 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:45:23,421 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:45:23,422 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:45:23,422 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:45:23,422 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:45:23,422 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:45:23,422 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:45:23,425 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:45:23,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:45:23,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:45:23,425 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:45:23,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:45:23,426 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:45:23,426 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:45:23,426 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:45:23,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:45:23,427 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:45:23,427 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:45:23,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:45:23,427 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:45:23,428 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:45:23,428 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:45:23,428 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:45:23,428 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 -> a0b30872ee4d01f973196623f0cd272a18dfb39c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:45:23,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:45:23,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:45:23,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:45:23,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:45:23,535 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:45:23,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0610_true-unreach-call.c [2018-09-21 17:45:23,880 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cf07e51/08af9888a04b414d93f6f59d615e6a04/FLAG9eaacd6d3 [2018-09-21 17:45:24,104 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:45:24,105 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0610_true-unreach-call.c [2018-09-21 17:45:24,114 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cf07e51/08af9888a04b414d93f6f59d615e6a04/FLAG9eaacd6d3 [2018-09-21 17:45:24,129 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89cf07e51/08af9888a04b414d93f6f59d615e6a04 [2018-09-21 17:45:24,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:45:24,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:45:24,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:45:24,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:45:24,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:45:24,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7060900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24, skipping insertion in model container [2018-09-21 17:45:24,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,162 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:45:24,431 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:45:24,455 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:45:24,520 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:45:24,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24 WrapperNode [2018-09-21 17:45:24,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:45:24,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:45:24,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:45:24,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:45:24,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (1/1) ... [2018-09-21 17:45:24,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:45:24,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:45:24,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:45:24,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:45:24,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (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 [2018-09-21 17:45:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:45:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:45:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:45:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:45:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-21 17:45:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:45:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:45:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:45:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:45:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:45:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-21 17:45:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:45:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:45:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:45:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:45:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:45:25,225 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:25,248 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:25,282 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:43,892 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:43,911 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:43,954 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:43,981 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:45:44,553 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:45:44,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:45:44 BoogieIcfgContainer [2018-09-21 17:45:44,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:45:44,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:45:44,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:45:44,560 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:45:44,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:45:24" (1/3) ... [2018-09-21 17:45:44,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa3417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:45:44, skipping insertion in model container [2018-09-21 17:45:44,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:45:24" (2/3) ... [2018-09-21 17:45:44,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa3417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:45:44, skipping insertion in model container [2018-09-21 17:45:44,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:45:44" (3/3) ... [2018-09-21 17:45:44,564 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0610_true-unreach-call.c [2018-09-21 17:45:44,574 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:45:44,581 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:45:44,626 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:45:44,627 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:45:44,628 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:45:44,628 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:45:44,628 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:45:44,628 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:45:44,628 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:45:44,629 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:45:44,629 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:45:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2018-09-21 17:45:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 17:45:44,660 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:45:44,662 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] [2018-09-21 17:45:44,665 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:45:44,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1025950320, now seen corresponding path program 1 times [2018-09-21 17:45:44,677 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:45:44,678 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 [2018-09-21 17:45:44,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:45:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:45:44,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:45:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:45:44,859 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:45:44,875 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:45:44,875 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:45:44,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:45:44,896 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:45:44,897 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:45:44,900 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 2 states. [2018-09-21 17:45:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:45:44,927 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-09-21 17:45:44,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:45:44,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 17:45:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:45:44,944 INFO L225 Difference]: With dead ends: 85 [2018-09-21 17:45:44,944 INFO L226 Difference]: Without dead ends: 81 [2018-09-21 17:45:44,947 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:45:44,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-21 17:45:44,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-21 17:45:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-21 17:45:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2018-09-21 17:45:44,995 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 22 [2018-09-21 17:45:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:45:44,995 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2018-09-21 17:45:44,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:45:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2018-09-21 17:45:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-21 17:45:44,998 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:45:44,998 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] [2018-09-21 17:45:44,998 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:45:44,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2037013737, now seen corresponding path program 1 times [2018-09-21 17:45:44,999 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:45:45,000 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 [2018-09-21 17:45:45,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:45:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:45:45,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:45:45,380 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 [2018-09-21 17:45:45,401 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 [2018-09-21 17:45:45,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:45:45,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:45:45,509 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. [2018-09-21 17:45:45,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:45:45,577 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 [2018-09-21 17:45:45,596 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 [2018-09-21 17:45:45,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:45:45,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:45:45,699 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. [2018-09-21 17:45:45,700 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:45:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:45:46,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:45:46,142 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:45:46,143 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:45:46,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:45:46,145 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:45:46,146 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:45:46,146 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 9 states. [2018-09-21 17:45:47,533 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-21 17:46:10,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:46:10,573 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2018-09-21 17:46:10,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:46:10,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-21 17:46:10,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:46:10,957 INFO L225 Difference]: With dead ends: 86 [2018-09-21 17:46:10,958 INFO L226 Difference]: Without dead ends: 84 [2018-09-21 17:46:10,959 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-21 17:46:10,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-21 17:46:10,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2018-09-21 17:46:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-21 17:46:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2018-09-21 17:46:10,969 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 32 [2018-09-21 17:46:10,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:46:10,970 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2018-09-21 17:46:10,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:46:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2018-09-21 17:46:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-21 17:46:10,971 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:46:10,971 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] [2018-09-21 17:46:10,972 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:46:10,972 INFO L82 PathProgramCache]: Analyzing trace with hash -872633451, now seen corresponding path program 1 times [2018-09-21 17:46:10,973 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:46:10,973 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 [2018-09-21 17:46:10,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:46:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:46:14,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:46:15,031 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 [2018-09-21 17:46:15,037 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 [2018-09-21 17:46:15,037 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:46:15,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:46:15,061 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. [2018-09-21 17:46:15,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:46:15,106 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 [2018-09-21 17:46:15,112 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 [2018-09-21 17:46:15,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:46:15,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:46:15,138 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. [2018-09-21 17:46:15,138 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:46:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:46:15,406 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:46:15,482 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:46:15,482 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:46:15,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:46:15,483 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:46:15,483 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:46:15,483 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 9 states. [2018-09-21 17:46:15,925 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:46:40,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:46:40,712 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2018-09-21 17:46:40,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-21 17:46:40,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-09-21 17:46:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:46:40,809 INFO L225 Difference]: With dead ends: 89 [2018-09-21 17:46:40,810 INFO L226 Difference]: Without dead ends: 80 [2018-09-21 17:46:40,810 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-21 17:46:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-21 17:46:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2018-09-21 17:46:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-09-21 17:46:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2018-09-21 17:46:40,818 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 34 [2018-09-21 17:46:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:46:40,819 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2018-09-21 17:46:40,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:46:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2018-09-21 17:46:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 17:46:40,821 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:46:40,821 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] [2018-09-21 17:46:40,821 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:46:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash 253629261, now seen corresponding path program 1 times [2018-09-21 17:46:40,822 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:46:40,822 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-21 17:46:40,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 17:46:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:46:40,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:46:41,557 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-09-21 17:46:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:46:42,308 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:46:42,320 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:46:42,320 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:46:42,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:46:42,321 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:46:42,321 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:46:42,321 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand 9 states. [2018-09-21 17:46:44,375 WARN L178 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-21 17:47:08,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:47:08,120 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2018-09-21 17:47:08,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-21 17:47:08,122 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-21 17:47:08,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:47:08,124 INFO L225 Difference]: With dead ends: 85 [2018-09-21 17:47:08,124 INFO L226 Difference]: Without dead ends: 80 [2018-09-21 17:47:08,125 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-21 17:47:08,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-21 17:47:08,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2018-09-21 17:47:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-09-21 17:47:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2018-09-21 17:47:08,137 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 40 [2018-09-21 17:47:08,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:47:08,138 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2018-09-21 17:47:08,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:47:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2018-09-21 17:47:08,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-21 17:47:08,139 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:47:08,139 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] [2018-09-21 17:47:08,140 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:47:08,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1770970014, now seen corresponding path program 1 times [2018-09-21 17:47:08,140 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:47:08,141 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-21 17:47:08,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:47:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:47:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:47:08,632 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:47:08,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:47:08 BoogieIcfgContainer [2018-09-21 17:47:08,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:47:08,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:47:08,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:47:08,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:47:08,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:45:44" (3/4) ... [2018-09-21 17:47:08,730 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-09-21 17:47:08,850 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:47:08,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:47:08,851 INFO L168 Benchmark]: Toolchain (without parser) took 104716.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.9 MB in the beginning and 863.3 MB in the end (delta: 88.6 MB). Peak memory consumption was 242.7 MB. Max. memory is 11.5 GB. [2018-09-21 17:47:08,856 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. [2018-09-21 17:47:08,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:47:08,858 INFO L168 Benchmark]: Boogie Preprocessor took 104.84 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:47:08,859 INFO L168 Benchmark]: RCFGBuilder took 19846.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-09-21 17:47:08,859 INFO L168 Benchmark]: TraceAbstraction took 84164.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.0 MB in the end (delta: 244.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:47:08,860 INFO L168 Benchmark]: Witness Printer took 129.18 ms. Allocated memory is still 1.2 GB. Free memory was 870.0 MB in the beginning and 863.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-09-21 17:47:08,866 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 462.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.84 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 19846.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84164.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.0 MB in the end (delta: 244.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. * Witness Printer took 129.18 ms. Allocated memory is still 1.2 GB. Free memory was 870.0 MB in the beginning and 863.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 149]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40-L45] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47-L52] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54-L61] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L63-L65] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L63-L65] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L63-L65] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L63-L65] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L63-L65] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [\old(huge_atan)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000064, \old(one_atan)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, \old(pi)=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000049, \old(pi_o_2)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000054, \old(pi_o_4)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000059, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483] [L144] double x = 0.0 / 0.0; VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L145] CALL, EXPR atan_double(x) VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483] [L68] double w, s1, s2, z; [L69] __int32_t ix, hx, id; VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L72] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=NaN, gh_u={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L73] FCALL gh_u.value = (x) VAL [\old(x)=NaN, gh_u={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L74] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=NaN, gh_u={2:0}, gh_u.parts.msw=2146435072, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L74] (hx) = gh_u.parts.msw VAL [\old(x)=NaN, gh_u={2:0}, gh_u.parts.msw=2146435072, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L74] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=NaN, \old(x)=NaN, gh_u={2:0}, gh_u.parts.msw=2146435072, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L75] COND FALSE !(0) VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L76] ix = hx & 0x7fffffff VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L77] COND TRUE ix >= 0x44100000 [L78] __uint32_t low; VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L80] FCALL ieee_double_shape_type gl_u; VAL [\old(x)=NaN, gl_u={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L81] FCALL gl_u.value = (x) VAL [\old(x)=NaN, gl_u={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L82] EXPR, FCALL gl_u.parts.lsw VAL [\old(x)=NaN, gl_u={3:0}, gl_u.parts.lsw=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L82] (low) = gl_u.parts.lsw VAL [\old(x)=NaN, gl_u={3:0}, gl_u.parts.lsw=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, low=0, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L82] FCALL (low) = gl_u.parts.lsw VAL [(low) = gl_u.parts.lsw=NaN, \old(x)=NaN, gl_u={3:0}, gl_u.parts.lsw=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, low=0, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L83] COND FALSE !(0) VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, low=0, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L84] COND FALSE !(ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0))) VAL [\old(x)=NaN, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, low=0, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L86] COND TRUE hx > 0 [L87] RET return atanhi_atan[3] + atanlo_atan[3]; VAL [\old(x)=NaN, \result=1.5707963267948966, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, low=0, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L145] EXPR atan_double(x) VAL [atan_double(x)=1.5707963267948966, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=NaN] [L145] double res = atan_double(x); [L148] CALL, EXPR isnan_double(res) VAL [\old(x)=1.5707963267948966, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483] [L18] RET return x != x; VAL [\old(x)=1.5707963267948966, \result=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, x=1.5707963267948966] [L148] EXPR isnan_double(res) VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, res=1.5707963267948966, x=NaN] [L148] COND TRUE !isnan_double(res) [L149] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, res=1.5707963267948966, x=NaN] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 85 locations, 1 error locations. UNSAFE Result, 84.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 76.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 304 SDtfs, 218 SDslu, 1241 SDs, 0 SdLazy, 320 SolverSat, 17 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 64.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 124 ConstructedInterpolants, 30 QuantifiedInterpolants, 24495 SizeOfPredicates, 20 NumberOfNonLiveVariables, 363 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...