/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0281_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_0281_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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ............................................................................................................................................................................................................................................................................................................. 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_0281_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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:10:15,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:10:15,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:10:15,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:10:15,062 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:10:15,063 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:10:15,064 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:10:15,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:10:15,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:10:15,069 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:10:15,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:10:15,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:10:15,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:10:15,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:10:15,073 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:10:15,074 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:10:15,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:10:15,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:10:15,079 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:10:15,081 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:10:15,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:10:15,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:10:15,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:10:15,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:10:15,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:10:15,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:10:15,089 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:10:15,089 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:10:15,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:10:15,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:10:15,092 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:10:15,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:10:15,093 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:10:15,093 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:10:15,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:10:15,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:10:15,095 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:10:15,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:10:15,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:10:15,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:10:15,123 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:10:15,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:10:15,124 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:10:15,125 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:10:15,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:10:15,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:10:15,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:10:15,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:10:15,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:10:15,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:10:15,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:10:15,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:10:15,127 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:10:15,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:10:15,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:10:15,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:10:15,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:10:15,130 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:10:15,130 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:10:15,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:10:15,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:10:15,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:10:15,131 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:10:15,131 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:10:15,131 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:10:15,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:10:15,132 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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-09-20 15:10:15,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:10:15,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:10:15,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:10:15,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:10:15,235 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:10:15,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-09-20 15:10:15,595 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fccd9128/a9e97436d1544167990c305de02623e6/FLAGc2310ea23 [2018-09-20 15:10:15,843 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:10:15,844 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-09-20 15:10:15,858 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fccd9128/a9e97436d1544167990c305de02623e6/FLAGc2310ea23 [2018-09-20 15:10:15,875 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fccd9128/a9e97436d1544167990c305de02623e6 [2018-09-20 15:10:15,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:10:15,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:10:15,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:15,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:10:15,892 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:10:15,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:15" (1/1) ... [2018-09-20 15:10:15,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69759c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:15, skipping insertion in model container [2018-09-20 15:10:15,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:15" (1/1) ... [2018-09-20 15:10:15,909 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:10:16,274 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:16,300 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:10:16,381 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:16,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16 WrapperNode [2018-09-20 15:10:16,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:16,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:10:16,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:10:16,440 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:10:16,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (1/1) ... [2018-09-20 15:10:16,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:10:16,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:10:16,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:10:16,529 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:10:16,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (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 15:10:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:10:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:10:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:10:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:10:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:10:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:10:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:10:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:10:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:10:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:10:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:10:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:10:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:10:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:10:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:10:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:10:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:10:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:10:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:10:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:10:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:10:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:10:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:10:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:10:17,641 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:10:17,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:17 BoogieIcfgContainer [2018-09-20 15:10:17,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:10:17,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:10:17,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:10:17,653 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:10:17,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:10:15" (1/3) ... [2018-09-20 15:10:17,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250b1630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:17, skipping insertion in model container [2018-09-20 15:10:17,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:16" (2/3) ... [2018-09-20 15:10:17,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250b1630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:17, skipping insertion in model container [2018-09-20 15:10:17,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:17" (3/3) ... [2018-09-20 15:10:17,657 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-09-20 15:10:17,667 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:10:17,677 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:10:17,724 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:10:17,725 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:10:17,725 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:10:17,725 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:10:17,725 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:10:17,725 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:10:17,725 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:10:17,726 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:10:17,726 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:10:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-09-20 15:10:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:10:17,755 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:17,756 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 15:10:17,759 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1382639809, now seen corresponding path program 1 times [2018-09-20 15:10:17,766 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:10:17,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:10:17,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:17,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:17,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:17,939 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 15:10:17,942 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:17,943 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:10:17,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:10:17,962 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:10:17,964 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:10:17,967 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-09-20 15:10:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:18,006 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2018-09-20 15:10:18,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:10:18,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:10:18,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:18,021 INFO L225 Difference]: With dead ends: 263 [2018-09-20 15:10:18,021 INFO L226 Difference]: Without dead ends: 131 [2018-09-20 15:10:18,026 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 15:10:18,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-20 15:10:18,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-20 15:10:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-20 15:10:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 148 transitions. [2018-09-20 15:10:18,079 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 148 transitions. Word has length 22 [2018-09-20 15:10:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:18,079 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 148 transitions. [2018-09-20 15:10:18,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:10:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2018-09-20 15:10:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:10:18,081 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:18,081 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 15:10:18,082 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:18,082 INFO L82 PathProgramCache]: Analyzing trace with hash -468240096, now seen corresponding path program 1 times [2018-09-20 15:10:18,082 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:10:18,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:10:18,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:18,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:18,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:10:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:10:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:10:18,240 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:10:18,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:10:18 BoogieIcfgContainer [2018-09-20 15:10:18,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:10:18,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:10:18,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:10:18,313 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:10:18,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:17" (3/4) ... [2018-09-20 15:10:18,317 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:10:18,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:10:18,318 INFO L168 Benchmark]: Toolchain (without parser) took 2439.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -72.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:18,321 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 15:10:18,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.70 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 15:10:18,322 INFO L168 Benchmark]: Boogie Preprocessor took 88.00 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:18,322 INFO L168 Benchmark]: RCFGBuilder took 1113.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:18,324 INFO L168 Benchmark]: TraceAbstraction took 667.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:18,325 INFO L168 Benchmark]: Witness Printer took 6.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:18,329 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 556.70 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 88.00 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1113.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 667.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: 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 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=24, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=18, \old(pio4_hi_asin)=12, \old(pS0_asin)=17, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=16, \old(pS4_asin)=22, \old(pS5_asin)=14, \old(qS1_asin)=27, \old(qS2_asin)=23, \old(qS3_asin)=5, \old(qS4_asin)=19, \old(tiny_sqrt)=20, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L188] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L112] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=8, gf_u={21:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L113] FCALL gf_u.value = (x) VAL [\old(x)=8, gf_u={21:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L114] EXPR, FCALL gf_u.word VAL [\old(x)=8, gf_u={21:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L114] (hx) = gf_u.word VAL [\old(x)=8, gf_u={21:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L114] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=25, \old(x)=8, gf_u={21:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L115] COND FALSE !(0) VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L116] ix = hx & 0x7fffffff VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L117] COND TRUE ix == 0x3f800000 [L119] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=8, huge_asin=1000000000000000000000000000000, hx=3, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L188] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=26, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) VAL [\old(x)=26, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=26, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=26] [L191] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, tiny_sqrt=1/1000000000000000000000000000000, x=8] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, tiny_sqrt=1/1000000000000000000000000000000, x=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 136 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 154 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=136occurred 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 15:10:20,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:10:20,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:10:20,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:10:20,817 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:10:20,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:10:20,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:10:20,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:10:20,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:10:20,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:10:20,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:10:20,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:10:20,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:10:20,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:10:20,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:10:20,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:10:20,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:10:20,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:10:20,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:10:20,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:10:20,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:10:20,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:10:20,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:10:20,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:10:20,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:10:20,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:10:20,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:10:20,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:10:20,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:10:20,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:10:20,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:10:20,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:10:20,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:10:20,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:10:20,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:10:20,852 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:10:20,852 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:10:20,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:10:20,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:10:20,873 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:10:20,873 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:10:20,877 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:10:20,877 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:10:20,878 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:10:20,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:10:20,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:10:20,879 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:10:20,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:10:20,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:10:20,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:10:20,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:10:20,880 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:10:20,880 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:10:20,880 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:10:20,881 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:10:20,881 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:10:20,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:10:20,881 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:10:20,884 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:10:20,884 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:10:20,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:10:20,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:10:20,885 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:10:20,885 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:10:20,885 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:10:20,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:10:20,885 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:10:20,886 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:10:20,886 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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-09-20 15:10:20,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:10:20,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:10:20,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:10:20,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:10:20,998 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:10:20,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-09-20 15:10:21,347 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214e266b9/723d90f186a6450da01411ccb8c77a36/FLAGf63c8368e [2018-09-20 15:10:21,551 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:10:21,555 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-09-20 15:10:21,576 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214e266b9/723d90f186a6450da01411ccb8c77a36/FLAGf63c8368e [2018-09-20 15:10:21,605 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/214e266b9/723d90f186a6450da01411ccb8c77a36 [2018-09-20 15:10:21,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:10:21,614 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:10:21,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:21,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:10:21,628 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:10:21,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:21" (1/1) ... [2018-09-20 15:10:21,632 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 03:10:21, skipping insertion in model container [2018-09-20 15:10:21,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:21" (1/1) ... [2018-09-20 15:10:21,648 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:10:21,964 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:21,995 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:10:22,077 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:22,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22 WrapperNode [2018-09-20 15:10:22,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:22,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:10:22,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:10:22,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:10:22,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... [2018-09-20 15:10:22,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:10:22,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:10:22,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:10:22,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:10:22,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:10:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:10:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:10:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:10:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:10:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:10:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:10:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:10:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:10:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:10:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:10:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:10:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:10:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:10:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:10:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:10:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:10:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:10:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:10:22,806 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:22,831 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,730 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:30,749 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:33,100 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:33,143 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:33,594 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:33,610 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:34,226 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:10:34,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:34 BoogieIcfgContainer [2018-09-20 15:10:34,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:10:34,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:10:34,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:10:34,232 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:10:34,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:10:21" (1/3) ... [2018-09-20 15:10:34,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a051758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:34, skipping insertion in model container [2018-09-20 15:10:34,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:22" (2/3) ... [2018-09-20 15:10:34,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a051758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:34, skipping insertion in model container [2018-09-20 15:10:34,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:34" (3/3) ... [2018-09-20 15:10:34,237 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-09-20 15:10:34,248 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:10:34,258 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:10:34,323 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:10:34,324 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:10:34,324 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:10:34,324 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:10:34,324 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:10:34,324 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:10:34,325 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:10:34,325 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:10:34,325 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:10:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-09-20 15:10:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:10:34,377 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:34,378 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 15:10:34,381 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:34,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1489051016, now seen corresponding path program 1 times [2018-09-20 15:10:34,395 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:34,396 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 15:10:34,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:34,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:34,701 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 15:10:34,702 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:34,718 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:34,718 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:10:34,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:10:34,734 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:10:34,735 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:10:34,737 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-09-20 15:10:34,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:34,778 INFO L93 Difference]: Finished difference Result 261 states and 332 transitions. [2018-09-20 15:10:34,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:10:34,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:10:34,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:34,794 INFO L225 Difference]: With dead ends: 261 [2018-09-20 15:10:34,795 INFO L226 Difference]: Without dead ends: 130 [2018-09-20 15:10:34,801 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 15:10:34,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-20 15:10:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-09-20 15:10:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 15:10:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-09-20 15:10:34,866 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-09-20 15:10:34,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:34,866 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-09-20 15:10:34,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:10:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-09-20 15:10:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:10:34,871 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:34,871 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 15:10:34,871 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:34,872 INFO L82 PathProgramCache]: Analyzing trace with hash 198946282, now seen corresponding path program 1 times [2018-09-20 15:10:34,873 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:34,874 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:34,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:35,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:35,297 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 15:10:35,321 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 15:10:35,321 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,439 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 15:10:35,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:35,475 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 15:10:35,480 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 15:10:35,480 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,500 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 15:10:35,500 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:35,941 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 15:10:35,942 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:35,955 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:35,955 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:35,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:35,958 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:35,958 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:35,959 INFO L87 Difference]: Start difference. First operand 130 states and 147 transitions. Second operand 9 states. [2018-09-20 15:10:36,364 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-20 15:10:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:44,590 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2018-09-20 15:10:44,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:44,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:10:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:44,607 INFO L225 Difference]: With dead ends: 143 [2018-09-20 15:10:44,609 INFO L226 Difference]: Without dead ends: 133 [2018-09-20 15:10:44,611 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-09-20 15:10:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2018-09-20 15:10:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 15:10:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 146 transitions. [2018-09-20 15:10:44,630 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 146 transitions. Word has length 30 [2018-09-20 15:10:44,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:44,630 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 146 transitions. [2018-09-20 15:10:44,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2018-09-20 15:10:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:10:44,632 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:44,632 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 15:10:44,632 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:44,633 INFO L82 PathProgramCache]: Analyzing trace with hash 941059086, now seen corresponding path program 1 times [2018-09-20 15:10:44,634 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:44,634 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 15:10:44,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:44,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:46,415 WARN L178 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 15:10:48,858 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 15:10:52,083 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 15:10:56,162 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 15:10:56,163 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:56,185 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:56,185 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 15:10:56,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 15:10:56,186 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 15:10:56,186 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:10:56,186 INFO L87 Difference]: Start difference. First operand 130 states and 146 transitions. Second operand 7 states. [2018-09-20 15:11:06,058 WARN L178 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-20 15:11:07,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:07,979 INFO L93 Difference]: Finished difference Result 137 states and 153 transitions. [2018-09-20 15:11:07,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:11:07,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-09-20 15:11:07,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:07,984 INFO L225 Difference]: With dead ends: 137 [2018-09-20 15:11:07,984 INFO L226 Difference]: Without dead ends: 130 [2018-09-20 15:11:07,985 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:11:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-20 15:11:08,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-09-20 15:11:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 15:11:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 145 transitions. [2018-09-20 15:11:08,003 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 145 transitions. Word has length 31 [2018-09-20 15:11:08,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:08,004 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 145 transitions. [2018-09-20 15:11:08,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 15:11:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2018-09-20 15:11:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-20 15:11:08,005 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:08,005 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:11:08,006 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:08,007 INFO L82 PathProgramCache]: Analyzing trace with hash -973009308, now seen corresponding path program 1 times [2018-09-20 15:11:08,007 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:08,008 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 15:11:08,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:09,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:09,264 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 15:11:09,270 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 15:11:09,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:09,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:09,288 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 15:11:09,288 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:11:09,337 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 15:11:09,349 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 15:11:09,350 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:09,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:09,358 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 15:11:09,359 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:11:09,702 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 15:11:09,703 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:09,732 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:09,732 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 15:11:09,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 15:11:09,733 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 15:11:09,733 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-09-20 15:11:09,734 INFO L87 Difference]: Start difference. First operand 130 states and 145 transitions. Second operand 11 states. [2018-09-20 15:11:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:16,225 INFO L93 Difference]: Finished difference Result 172 states and 191 transitions. [2018-09-20 15:11:16,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:11:16,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-09-20 15:11:16,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:16,228 INFO L225 Difference]: With dead ends: 172 [2018-09-20 15:11:16,228 INFO L226 Difference]: Without dead ends: 114 [2018-09-20 15:11:16,230 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-09-20 15:11:16,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-09-20 15:11:16,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2018-09-20 15:11:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-09-20 15:11:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2018-09-20 15:11:16,243 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 33 [2018-09-20 15:11:16,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:16,243 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2018-09-20 15:11:16,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:11:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2018-09-20 15:11:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-20 15:11:16,247 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:16,247 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:11:16,247 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:16,247 INFO L82 PathProgramCache]: Analyzing trace with hash 720506233, now seen corresponding path program 1 times [2018-09-20 15:11:16,248 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:16,248 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 15:11:16,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:17,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:17,694 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 15:11:17,700 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 15:11:17,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:17,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:17,719 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 15:11:17,719 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:11:17,742 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 15:11:17,747 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 15:11:17,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:11:17,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:11:17,754 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 15:11:17,755 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:11:18,108 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 15:11:18,108 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:18,146 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:18,146 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 15:11:18,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 15:11:18,147 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 15:11:18,147 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-09-20 15:11:18,148 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 11 states. [2018-09-20 15:11:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:21,643 INFO L93 Difference]: Finished difference Result 125 states and 139 transitions. [2018-09-20 15:11:21,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:11:21,645 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-09-20 15:11:21,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:21,647 INFO L225 Difference]: With dead ends: 125 [2018-09-20 15:11:21,647 INFO L226 Difference]: Without dead ends: 109 [2018-09-20 15:11:21,648 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-09-20 15:11:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-09-20 15:11:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-09-20 15:11:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-09-20 15:11:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2018-09-20 15:11:21,658 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 77 [2018-09-20 15:11:21,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:21,659 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2018-09-20 15:11:21,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:11:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2018-09-20 15:11:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-20 15:11:21,663 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:11:21,664 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:11:21,664 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:11:21,664 INFO L82 PathProgramCache]: Analyzing trace with hash -561287118, now seen corresponding path program 1 times [2018-09-20 15:11:21,665 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:11:21,665 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 15:11:21,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:11:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:11:23,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:11:23,285 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 15:11:23,285 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:11:23,318 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:11:23,319 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-20 15:11:23,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-20 15:11:23,319 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-20 15:11:23,320 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-20 15:11:23,320 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand 5 states. [2018-09-20 15:11:23,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:11:23,390 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2018-09-20 15:11:23,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 15:11:23,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2018-09-20 15:11:23,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:11:23,392 INFO L225 Difference]: With dead ends: 109 [2018-09-20 15:11:23,392 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:11:23,393 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-20 15:11:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:11:23,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:11:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:11:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:11:23,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-09-20 15:11:23,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:11:23,395 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:11:23,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-20 15:11:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:11:23,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:11:23,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:11:24,198 WARN L178 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-09-20 15:11:24,514 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-09-20 15:11:24,662 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-09-20 15:11:26,193 WARN L178 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:11:26,195 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-20 15:11:26,195 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:11:26,196 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-20 15:11:26,196 INFO L426 ceAbstractionStarter]: For program point L93-2(line 93) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L91-2(line 91) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L91-3(line 91) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L429 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-09-20 15:11:26,197 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L90-2(lines 83 96) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L88-1(line 88) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L88-2(line 88) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-20 15:11:26,198 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-20 15:11:26,199 INFO L426 ceAbstractionStarter]: For program point L86-3(line 86) no Hoare annotation was computed. [2018-09-20 15:11:26,199 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:11:26,199 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:11:26,199 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:11:26,199 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:11:26,199 INFO L426 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-09-20 15:11:26,199 INFO L422 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (and (exists ((__ieee754_asinf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.sub RNE __ieee754_asinf_~x __ieee754_asinf_~x))) (fp.div RNE .cse0 .cse0)))) (let ((.cse1 ((_ to_fp 8 24) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse1)) (fp.gt main_~x~0 .cse1)))) [2018-09-20 15:11:26,200 INFO L426 ceAbstractionStarter]: For program point L191-1(lines 191 194) no Hoare annotation was computed. [2018-09-20 15:11:26,200 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 176 198) the Hoare annotation is: true [2018-09-20 15:11:26,200 INFO L422 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-09-20 15:11:26,200 INFO L426 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-09-20 15:11:26,200 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2018-09-20 15:11:26,200 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2018-09-20 15:11:26,200 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 176 198) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 176 198) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L159-2(lines 151 169) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L159-3(lines 159 163) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-09-20 15:11:26,201 INFO L426 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-09-20 15:11:26,202 INFO L422 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (let ((.cse1 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (or (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse0 (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)))) (and (not (bvslt .cse0 (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (= (bvadd .cse0 (_ bv3229614080 32)) (_ bv0 32))) (not (bvsgt .cse0 (_ bv1065353216 32)))))) .cse1) (and (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse1))) [2018-09-20 15:11:26,202 INFO L426 ceAbstractionStarter]: For program point L155-2(line 155) no Hoare annotation was computed. [2018-09-20 15:11:26,202 INFO L426 ceAbstractionStarter]: For program point L155-3(line 155) no Hoare annotation was computed. [2018-09-20 15:11:26,202 INFO L422 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse1 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (or (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse0 (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)))) (and (not (bvslt .cse0 (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (= (bvadd .cse0 (_ bv3229614080 32)) (_ bv0 32))) (not (bvsgt .cse0 (_ bv1065353216 32)))))) .cse1) (and (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse1))) [2018-09-20 15:11:26,202 INFO L426 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-09-20 15:11:26,202 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-20 15:11:26,202 INFO L426 ceAbstractionStarter]: For program point L114-1(line 114) no Hoare annotation was computed. [2018-09-20 15:11:26,202 INFO L426 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L160-2(line 160) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L160-3(line 160) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-09-20 15:11:26,203 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L422 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L426 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-09-20 15:11:26,204 INFO L429 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L112-1(line 112) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L112-2(line 112) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L112-3(line 112) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L162-2(line 162) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-09-20 15:11:26,205 INFO L426 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-09-20 15:11:26,206 INFO L422 ceAbstractionStarter]: At program point L154-3(lines 154 158) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) [2018-09-20 15:11:26,206 INFO L426 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-09-20 15:11:26,206 INFO L426 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-09-20 15:11:26,206 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 15:11:26,206 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 15:11:26,206 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L429 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:11:26,207 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:11:26,208 INFO L426 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L429 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L429 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:11:26,209 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:11:26,210 INFO L429 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-09-20 15:11:26,210 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:11:26,211 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-09-20 15:11:26,218 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,219 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,219 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,220 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,226 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,226 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,227 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:11:26 BoogieIcfgContainer [2018-09-20 15:11:26,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:11:26,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:11:26,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:11:26,233 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:11:26,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:34" (3/4) ... [2018-09-20 15:11:26,247 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:11:26,256 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:11:26,256 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:11:26,256 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:11:26,257 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:11:26,257 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-09-20 15:11:26,257 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:11:26,272 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-09-20 15:11:26,273 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-09-20 15:11:26,274 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:11:26,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:11:26,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-09-20 15:11:26,387 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:11:26,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:11:26,389 INFO L168 Benchmark]: Toolchain (without parser) took 64778.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -119.9 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:26,390 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:11:26,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.66 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 15:11:26,391 INFO L168 Benchmark]: Boogie Preprocessor took 71.41 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:26,391 INFO L168 Benchmark]: RCFGBuilder took 12006.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:26,393 INFO L168 Benchmark]: TraceAbstraction took 52005.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.5 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:26,393 INFO L168 Benchmark]: Witness Printer took 154.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:26,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.66 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 71.41 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12006.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52005.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.5 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Witness Printer took 154.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: 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: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-09-20 15:11:26,415 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,415 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,415 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,416 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,416 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,416 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,417 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:26,417 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 135 locations, 1 error locations. SAFE Result, 51.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 30.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 799 SDtfs, 368 SDslu, 3383 SDs, 0 SdLazy, 418 SolverSat, 50 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 38 PreInvPairs, 56 NumberOfFragments, 293 HoareAnnotationTreeSize, 38 FomulaSimplifications, 112 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 19 FomulaSimplificationsInter, 197 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 265 ConstructedInterpolants, 34 QuantifiedInterpolants, 64761 SizeOfPredicates, 29 NumberOfNonLiveVariables, 835 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...