/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0470_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 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 ........................................................................................................................................................................................................................................................................................................... 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/float_req_bl_0470_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 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:11:29,129 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:11:29,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:11:29,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:11:29,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:11:29,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:11:29,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:11:29,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:11:29,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:11:29,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:11:29,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:11:29,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:11:29,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:11:29,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:11:29,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:11:29,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:11:29,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:11:29,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:11:29,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:11:29,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:11:29,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:11:29,186 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:11:29,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:11:29,196 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:11:29,197 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:11:29,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:11:29,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:11:29,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:11:29,203 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:11:29,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:11:29,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:11:29,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:11:29,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:11:29,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:11:29,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:11:29,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:11:29,215 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:11:29,245 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:11:29,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:11:29,246 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:11:29,250 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:11:29,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:11:29,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:11:29,251 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:11:29,251 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:11:29,253 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:11:29,253 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:11:29,253 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:11:29,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:11:29,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:11:29,254 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:11:29,254 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:11:29,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:11:29,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:11:29,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:11:29,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:11:29,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:11:29,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:11:29,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:11:29,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:11:29,259 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:11:29,259 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:11:29,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:11:29,259 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:11:29,260 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:11:29,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:11:29,260 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 -> 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 [2018-09-20 15:11:29,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:11:29,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:11:29,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:11:29,352 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:11:29,353 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:11:29,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-09-20 15:11:29,709 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc91e3ba/161eb55a1e4a48f3a597444092b9bd7f/FLAGed4cf8b13 [2018-09-20 15:11:29,864 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:11:29,865 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-09-20 15:11:29,875 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc91e3ba/161eb55a1e4a48f3a597444092b9bd7f/FLAGed4cf8b13 [2018-09-20 15:11:29,893 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc91e3ba/161eb55a1e4a48f3a597444092b9bd7f [2018-09-20 15:11:29,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:11:29,901 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:11:29,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:11:29,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:11:29,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:11:29,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:29" (1/1) ... [2018-09-20 15:11:29,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d5fda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:29, skipping insertion in model container [2018-09-20 15:11:29,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:29" (1/1) ... [2018-09-20 15:11:29,927 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:11:30,218 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:11:30,244 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:11:30,283 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:11:30,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30 WrapperNode [2018-09-20 15:11:30,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:11:30,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:11:30,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:11:30,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:11:30,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... [2018-09-20 15:11:30,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:11:30,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:11:30,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:11:30,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:11:30,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:11:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:11:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:11:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:11:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:11:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-09-20 15:11:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:11:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:11:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:11:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:11:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:11:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-09-20 15:11:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:11:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:11:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:11:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:11:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:11:31,533 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:11:31,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:31 BoogieIcfgContainer [2018-09-20 15:11:31,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:11:31,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:11:31,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:11:31,539 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:11:31,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:11:29" (1/3) ... [2018-09-20 15:11:31,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635a79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:11:31, skipping insertion in model container [2018-09-20 15:11:31,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:30" (2/3) ... [2018-09-20 15:11:31,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635a79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:11:31, skipping insertion in model container [2018-09-20 15:11:31,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:31" (3/3) ... [2018-09-20 15:11:31,543 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470_true-unreach-call.c [2018-09-20 15:11:31,551 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:11:31,559 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:11:31,608 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:11:31,608 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:11:31,609 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:11:31,609 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:11:31,609 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:11:31,609 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:11:31,610 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:11:31,610 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:11:31,610 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:11:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-09-20 15:11:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:11:31,656 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:31,658 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] [2018-09-20 15:11:31,661 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:31,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1102411470, now seen corresponding path program 1 times [2018-09-20 15:11:31,669 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:11:31,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:11:31,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:11:31,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:31,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:11:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:11:31,888 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:31,889 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:11:31,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:11:31,910 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:11:31,911 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:11:31,914 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-09-20 15:11:31,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:31,956 INFO L93 Difference]: Finished difference Result 210 states and 272 transitions. [2018-09-20 15:11:31,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:11:31,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:11:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:31,972 INFO L225 Difference]: With dead ends: 210 [2018-09-20 15:11:31,972 INFO L226 Difference]: Without dead ends: 105 [2018-09-20 15:11:31,978 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:11:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-20 15:11:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-09-20 15:11:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-09-20 15:11:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-09-20 15:11:32,032 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 22 [2018-09-20 15:11:32,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:32,033 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-09-20 15:11:32,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:11:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-09-20 15:11:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:11:32,035 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:32,035 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] [2018-09-20 15:11:32,035 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:32,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1676661448, now seen corresponding path program 1 times [2018-09-20 15:11:32,036 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:11:32,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:11:32,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:11:32,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:32,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:11:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:11:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:11:32,163 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:11:32,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:11:32 BoogieIcfgContainer [2018-09-20 15:11:32,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:11:32,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:11:32,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:11:32,221 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:11:32,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:31" (3/4) ... [2018-09-20 15:11:32,227 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:11:32,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:11:32,229 INFO L168 Benchmark]: Toolchain (without parser) took 2330.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:32,231 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:11:32,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:32,233 INFO L168 Benchmark]: Boogie Preprocessor took 63.27 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:11:32,234 INFO L168 Benchmark]: RCFGBuilder took 1152.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:32,235 INFO L168 Benchmark]: TraceAbstraction took 685.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:32,235 INFO L168 Benchmark]: Witness Printer took 6.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:11:32,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 416.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.27 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 1152.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 685.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Witness Printer took 6.53 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: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of bitwiseAnd at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 169. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [\old(one_acos)=4294967315, \old(one_sqrt)=4294967306, \old(pi)=4294967318, \old(pi)=4294967308, \old(pi)=4294967305, \old(pS0_acos)=4294967300, \old(pS1_acos)=4294967316, \old(pS2_acos)=4294967317, \old(pS3_acos)=4294967303, \old(pS4_acos)=4294967307, \old(pS5_acos)=4294967319, \old(qS1_acos)=4294967302, \old(qS2_acos)=4294967309, \old(qS3_acos)=4294967313, \old(qS4_acos)=4294967304, \old(tiny_sqrt)=4294967314, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] float x = 0.0f / 0.0f; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L170] CALL, EXPR __ieee754_acosf(x) VAL [\old(x)=4294967310, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [\old(x)=4294967310, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L97] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=4294967310, gf_u={4294967311:0}, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L98] FCALL gf_u.value = (x) VAL [\old(x)=4294967310, gf_u={4294967311:0}, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L99] EXPR, FCALL gf_u.word VAL [\old(x)=4294967310, gf_u={4294967311:0}, gf_u.word=4294967299, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L99] (hx) = gf_u.word VAL [\old(x)=4294967310, gf_u={4294967311:0}, gf_u.word=4294967299, hx=3, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L99] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=4294967320, \old(x)=4294967310, gf_u={4294967311:0}, gf_u.word=4294967299, hx=3, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L100] COND FALSE !(0) VAL [\old(x)=4294967310, hx=3, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L101] ix = hx & 0x7fffffff VAL [\old(x)=4294967310, hx=3, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L102] COND TRUE ix == 0x3f800000 VAL [\old(x)=4294967310, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L103] COND TRUE hx > 0 [L104] RET return 0.0; VAL [\old(x)=4294967310, \result=0, hx=3, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L170] EXPR __ieee754_acosf(x) VAL [__ieee754_acosf(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L170] float res = __ieee754_acosf(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=0, \result=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L173] EXPR isnan_float(res) VAL [isnan_float(res)=0, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=4294967310] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 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=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:11:34,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:11:34,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:11:34,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:11:34,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:11:34,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:11:34,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:11:34,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:11:34,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:11:34,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:11:34,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:11:34,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:11:34,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:11:34,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:11:34,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:11:34,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:11:34,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:11:34,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:11:34,822 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:11:34,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:11:34,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:11:34,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:11:34,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:11:34,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:11:34,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:11:34,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:11:34,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:11:34,838 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:11:34,839 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:11:34,840 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:11:34,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:11:34,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:11:34,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:11:34,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:11:34,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:11:34,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:11:34,851 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:11:34,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:11:34,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:11:34,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:11:34,874 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:11:34,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:11:34,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:11:34,877 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:11:34,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:11:34,877 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:11:34,877 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:11:34,878 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:11:34,878 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:11:34,878 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:11:34,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:11:34,880 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:11:34,880 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:11:34,880 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:11:34,881 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:11:34,881 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:11:34,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:11:34,881 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:11:34,884 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:11:34,884 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:11:34,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:11:34,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:11:34,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:11:34,885 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:11:34,885 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:11:34,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:11:34,885 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:11:34,885 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:11:34,885 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 -> 8eccc0a1ec5fb20c9e3e430fe73e90c136e37e20 [2018-09-20 15:11:34,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:11:34,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:11:34,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:11:34,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:11:34,969 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:11:34,970 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-09-20 15:11:35,333 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c8860590/5a69fbee74424e348386149ecb5cb2cf/FLAGf5f11c9bb [2018-09-20 15:11:35,567 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:11:35,568 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0470_true-unreach-call.c [2018-09-20 15:11:35,586 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c8860590/5a69fbee74424e348386149ecb5cb2cf/FLAGf5f11c9bb [2018-09-20 15:11:35,613 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c8860590/5a69fbee74424e348386149ecb5cb2cf [2018-09-20 15:11:35,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:11:35,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:11:35,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:11:35,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:11:35,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:11:35,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:35" (1/1) ... [2018-09-20 15:11:35,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c1eb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:35, skipping insertion in model container [2018-09-20 15:11:35,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:35" (1/1) ... [2018-09-20 15:11:35,658 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:11:36,063 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:11:36,093 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:11:36,177 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:11:36,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36 WrapperNode [2018-09-20 15:11:36,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:11:36,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:11:36,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:11:36,224 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:11:36,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... [2018-09-20 15:11:36,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:11:36,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:11:36,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:11:36,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:11:36,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:11:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:11:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:11:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:11:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:11:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-09-20 15:11:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:11:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:11:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:11:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:11:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:11:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:11:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:11:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:11:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:11:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:11:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:11:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-09-20 15:11:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:11:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:11:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:11:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:11:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:11:36,789 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:11:36,830 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:11:43,981 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:11:44,012 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:11:47,696 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:11:47,709 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:11:47,717 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:11:47,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:47 BoogieIcfgContainer [2018-09-20 15:11:47,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:11:47,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:11:47,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:11:47,721 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:11:47,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:11:35" (1/3) ... [2018-09-20 15:11:47,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5d5d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:11:47, skipping insertion in model container [2018-09-20 15:11:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:36" (2/3) ... [2018-09-20 15:11:47,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5d5d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:11:47, skipping insertion in model container [2018-09-20 15:11:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:47" (3/3) ... [2018-09-20 15:11:47,725 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0470_true-unreach-call.c [2018-09-20 15:11:47,733 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:11:47,741 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:11:47,790 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:11:47,791 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:11:47,791 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:11:47,791 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:11:47,791 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:11:47,791 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:11:47,792 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:11:47,792 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:11:47,792 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:11:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-09-20 15:11:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:11:47,831 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:47,833 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] [2018-09-20 15:11:47,837 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:47,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1249525969, now seen corresponding path program 1 times [2018-09-20 15:11:47,849 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:47,849 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:11:47,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:47,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:11:47,989 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:48,003 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:48,003 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:11:48,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:11:48,021 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:11:48,022 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:11:48,025 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-09-20 15:11:48,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:48,065 INFO L93 Difference]: Finished difference Result 208 states and 270 transitions. [2018-09-20 15:11:48,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:11:48,066 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:11:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:48,080 INFO L225 Difference]: With dead ends: 208 [2018-09-20 15:11:48,080 INFO L226 Difference]: Without dead ends: 104 [2018-09-20 15:11:48,085 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:11:48,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-09-20 15:11:48,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-09-20 15:11:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-09-20 15:11:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-09-20 15:11:48,145 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 21 [2018-09-20 15:11:48,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:48,146 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-09-20 15:11:48,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:11:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-09-20 15:11:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:11:48,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:48,148 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] [2018-09-20 15:11:48,148 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash -569388593, now seen corresponding path program 1 times [2018-09-20 15:11:48,150 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:48,150 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:11:48,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:11:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:48,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:48,371 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 11 treesize of output 8 [2018-09-20 15:11:48,382 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 8 treesize of output 7 [2018-09-20 15:11:48,382 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:48,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:48,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:48,467 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:11:48,537 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 29 treesize of output 21 [2018-09-20 15:11:48,546 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 21 treesize of output 9 [2018-09-20 15:11:48,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:48,570 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:48,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:48,575 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:11:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:11:48,896 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:48,913 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:48,913 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:11:48,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:11:48,917 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:11:48,917 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:11:48,918 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 9 states. [2018-09-20 15:11:49,730 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 15:11:50,064 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:11:50,293 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-20 15:11:57,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:57,383 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2018-09-20 15:11:57,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:11:57,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:11:57,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:57,391 INFO L225 Difference]: With dead ends: 116 [2018-09-20 15:11:57,391 INFO L226 Difference]: Without dead ends: 105 [2018-09-20 15:11:57,394 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:11:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-20 15:11:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-09-20 15:11:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-09-20 15:11:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-09-20 15:11:57,414 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 30 [2018-09-20 15:11:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:57,415 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-09-20 15:11:57,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:11:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-09-20 15:11:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:11:57,416 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:57,416 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] [2018-09-20 15:11:57,417 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:57,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1946778321, now seen corresponding path program 1 times [2018-09-20 15:11:57,418 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:57,418 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:11:57,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:57,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:12:01,183 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 15:12:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:12:04,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:12:04,284 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:12:04,284 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:12:04,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:12:04,285 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:12:04,285 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:12:04,285 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 9 states. [2018-09-20 15:12:09,152 WARN L178 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 15:12:25,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:12:25,337 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2018-09-20 15:12:25,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-20 15:12:25,338 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:12:25,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:12:25,340 INFO L225 Difference]: With dead ends: 112 [2018-09-20 15:12:25,341 INFO L226 Difference]: Without dead ends: 105 [2018-09-20 15:12:25,342 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:12:25,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-20 15:12:25,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-09-20 15:12:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-09-20 15:12:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-09-20 15:12:25,354 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 30 [2018-09-20 15:12:25,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:12:25,355 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-09-20 15:12:25,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:12:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-09-20 15:12:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 15:12:25,357 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:12:25,357 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] [2018-09-20 15:12:25,358 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:12:25,358 INFO L82 PathProgramCache]: Analyzing trace with hash 182324299, now seen corresponding path program 1 times [2018-09-20 15:12:25,359 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:12:25,359 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:12:25,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:12:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:12:25,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:12:25,502 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 11 treesize of output 8 [2018-09-20 15:12:25,506 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 8 treesize of output 7 [2018-09-20 15:12:25,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:12:25,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:25,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:25,524 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:12:25,571 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 29 treesize of output 21 [2018-09-20 15:12:25,579 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 21 treesize of output 9 [2018-09-20 15:12:25,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:12:25,583 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:25,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:25,590 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:12:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:12:25,810 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:12:25,822 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:12:25,822 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:12:25,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:12:25,823 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:12:25,823 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:12:25,824 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 9 states. [2018-09-20 15:12:26,510 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:12:32,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:12:32,186 INFO L93 Difference]: Finished difference Result 113 states and 126 transitions. [2018-09-20 15:12:32,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:12:32,187 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-20 15:12:32,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:12:32,189 INFO L225 Difference]: With dead ends: 113 [2018-09-20 15:12:32,190 INFO L226 Difference]: Without dead ends: 80 [2018-09-20 15:12:32,191 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:12:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-20 15:12:32,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-20 15:12:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-20 15:12:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2018-09-20 15:12:32,199 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 32 [2018-09-20 15:12:32,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:12:32,199 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2018-09-20 15:12:32,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:12:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2018-09-20 15:12:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 15:12:32,201 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:12:32,201 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] [2018-09-20 15:12:32,201 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:12:32,201 INFO L82 PathProgramCache]: Analyzing trace with hash -14189206, now seen corresponding path program 1 times [2018-09-20 15:12:32,202 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:12:32,202 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:12:32,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:12:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:12:33,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:12:33,488 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 11 treesize of output 8 [2018-09-20 15:12:33,504 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 8 treesize of output 7 [2018-09-20 15:12:33,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:12:33,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:33,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:33,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:12:33,560 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 29 treesize of output 21 [2018-09-20 15:12:33,564 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 21 treesize of output 9 [2018-09-20 15:12:33,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:12:33,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:33,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:33,574 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:12:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:12:33,718 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:12:33,748 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:12:33,748 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:12:33,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:12:33,749 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:12:33,749 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:12:33,750 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 9 states. [2018-09-20 15:12:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:12:39,608 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2018-09-20 15:12:39,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:12:39,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-20 15:12:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:12:39,611 INFO L225 Difference]: With dead ends: 90 [2018-09-20 15:12:39,611 INFO L226 Difference]: Without dead ends: 79 [2018-09-20 15:12:39,612 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:12:39,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-20 15:12:39,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-20 15:12:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-20 15:12:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2018-09-20 15:12:39,625 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 32 [2018-09-20 15:12:39,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:12:39,626 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2018-09-20 15:12:39,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:12:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2018-09-20 15:12:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 15:12:39,628 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:12:39,628 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:12:39,628 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:12:39,628 INFO L82 PathProgramCache]: Analyzing trace with hash -231609589, now seen corresponding path program 1 times [2018-09-20 15:12:39,629 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:12:39,629 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:12:39,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:12:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:12:40,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:12:41,018 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 11 treesize of output 8 [2018-09-20 15:12:41,024 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 8 treesize of output 7 [2018-09-20 15:12:41,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:12:41,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:41,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:41,041 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:12:41,071 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 29 treesize of output 21 [2018-09-20 15:12:41,076 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 21 treesize of output 9 [2018-09-20 15:12:41,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:12:41,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:41,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:12:41,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:12:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:12:41,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:12:41,288 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:12:41,289 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:12:41,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:12:41,290 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:12:41,290 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:12:41,290 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand 9 states. [2018-09-20 15:12:42,051 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:12:44,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:12:44,689 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2018-09-20 15:12:44,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:12:44,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-09-20 15:12:44,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:12:44,691 INFO L225 Difference]: With dead ends: 79 [2018-09-20 15:12:44,691 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:12:44,692 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:12:44,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:12:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:12:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:12:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:12:44,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-20 15:12:44,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:12:44,693 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:12:44,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:12:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:12:44,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:12:44,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:12:45,029 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-20 15:12:45,029 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-20 15:12:45,029 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-20 15:12:45,029 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-20 15:12:45,029 INFO L426 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2018-09-20 15:12:45,030 INFO L426 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-09-20 15:12:45,030 INFO L426 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2018-09-20 15:12:45,030 INFO L426 ceAbstractionStarter]: For program point L97-3(line 97) no Hoare annotation was computed. [2018-09-20 15:12:45,030 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 159) no Hoare annotation was computed. [2018-09-20 15:12:45,030 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 93 160) no Hoare annotation was computed. [2018-09-20 15:12:45,031 INFO L426 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-09-20 15:12:45,031 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-20 15:12:45,031 INFO L426 ceAbstractionStarter]: For program point L147-2(line 147) no Hoare annotation was computed. [2018-09-20 15:12:45,031 INFO L426 ceAbstractionStarter]: For program point L110(lines 110 159) no Hoare annotation was computed. [2018-09-20 15:12:45,031 INFO L426 ceAbstractionStarter]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2018-09-20 15:12:45,031 INFO L422 ceAbstractionStarter]: At program point L139-3(lines 139 143) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32)))))) [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 109) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L429 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 93 160) the Hoare annotation is: true [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L144-2(lines 134 159) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L144-3(lines 144 148) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-20 15:12:45,032 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L140-3(line 140) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L99-2(line 99) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-20 15:12:45,033 INFO L426 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 93 160) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L426 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L426 ceAbstractionStarter]: For program point L145-3(line 145) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L426 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L422 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32)))))) [2018-09-20 15:12:45,034 INFO L426 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2018-09-20 15:12:45,034 INFO L422 ceAbstractionStarter]: At program point L96-3(lines 96 100) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point L96-4(lines 96 100) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L422 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (bvsgt (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 32))))) [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:12:45,035 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:12:45,036 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:12:45,036 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:12:45,036 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:12:45,036 INFO L426 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-09-20 15:12:45,036 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 162 179) the Hoare annotation is: true [2018-09-20 15:12:45,036 INFO L422 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= (let ((.cse0 (fp.sub RNE .cse1 .cse1))) (fp.div RNE .cse0 .cse0)) main_~res~0) (= .cse1 main_~x~0))) [2018-09-20 15:12:45,036 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 162 179) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L422 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 162 179) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 15:12:45,037 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 15:12:45,038 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 15:12:45,038 INFO L426 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-09-20 15:12:45,038 INFO L429 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-09-20 15:12:45,038 INFO L426 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:12:45,038 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-09-20 15:12:45,038 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 15:12:45,038 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:12:45,038 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:12:45,039 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:12:45,040 INFO L426 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:12:45,040 INFO L429 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-09-20 15:12:45,040 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:12:45,040 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:12:45,040 INFO L426 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:12:45,040 INFO L429 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-09-20 15:12:45,040 INFO L426 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:12:45,040 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:12:45,041 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:12:45,042 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:12:45,042 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-20 15:12:45,042 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:12:45,042 INFO L429 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-09-20 15:12:45,042 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:12:45,042 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-09-20 15:12:45,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,050 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,050 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,051 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,051 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,051 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,051 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,051 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,059 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,059 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,059 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,059 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,059 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,060 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,060 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,060 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:12:45 BoogieIcfgContainer [2018-09-20 15:12:45,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:12:45,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:12:45,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:12:45,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:12:45,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:47" (3/4) ... [2018-09-20 15:12:45,069 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:12:45,077 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:12:45,077 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acosf [2018-09-20 15:12:45,077 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:12:45,078 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:12:45,078 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:12:45,086 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-09-20 15:12:45,087 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-09-20 15:12:45,087 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:12:45,088 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:12:45,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:12:45,117 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]))) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !~bvsgt32(~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32), 1065353216bv32)) [2018-09-20 15:12:45,201 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:12:45,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:12:45,204 INFO L168 Benchmark]: Toolchain (without parser) took 69582.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:12:45,206 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:12:45,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.47 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:12:45,206 INFO L168 Benchmark]: Boogie Preprocessor took 77.23 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:12:45,207 INFO L168 Benchmark]: RCFGBuilder took 11415.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:12:45,207 INFO L168 Benchmark]: TraceAbstraction took 57345.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -54.8 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:12:45,207 INFO L168 Benchmark]: Witness Printer took 137.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:12:45,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.47 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.23 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11415.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57345.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -54.8 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. * Witness Printer took 137.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant [2018-09-20 15:12:45,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,228 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,228 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,228 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,231 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,231 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,231 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,232 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,232 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,232 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,232 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-20 15:12:45,232 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]))) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !~bvsgt32(~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32), 1065353216bv32)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 108 locations, 1 error locations. SAFE Result, 57.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 45.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 594 SDtfs, 323 SDslu, 2898 SDs, 0 SdLazy, 368 SolverSat, 18 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 34.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 37 PreInvPairs, 50 NumberOfFragments, 160 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 188 ConstructedInterpolants, 24 QuantifiedInterpolants, 36164 SizeOfPredicates, 36 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...