./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_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 e244339627025cb250c22854e0eaa32467bc4188 ........................................................................................................................................................................................................................................................................................ 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_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 e244339627025cb250c22854e0eaa32467bc4188 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:10:22,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:10:22,059 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:10:22,072 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:10:22,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:10:22,073 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:10:22,075 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:10:22,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:10:22,079 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:10:22,080 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:10:22,081 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:10:22,081 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:10:22,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:10:22,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:10:22,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:10:22,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:10:22,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:10:22,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:10:22,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:10:22,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:10:22,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:10:22,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:10:22,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:10:22,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:10:22,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:10:22,107 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:10:22,108 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:10:22,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:10:22,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:10:22,115 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:10:22,115 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:10:22,117 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:10:22,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:10:22,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:10:22,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:10:22,119 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:10:22,119 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:10:22,150 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:10:22,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:10:22,152 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:10:22,153 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:10:22,153 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:10:22,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:10:22,153 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:10:22,154 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:10:22,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:10:22,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:10:22,154 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:10:22,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:10:22,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:10:22,155 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:10:22,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:10:22,155 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:10:22,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:10:22,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:10:22,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:10:22,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:10:22,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:10:22,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:10:22,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:10:22,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:10:22,157 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:10:22,157 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:10:22,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:10:22,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:10:22,157 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-01-12 09:10:22,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:10:22,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:10:22,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:10:22,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:10:22,247 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:10:22,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2019-01-12 09:10:22,312 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dc61570/e5781e4d8dff4dbdbdc8f0c43936c35b/FLAG0eedbaee1 [2019-01-12 09:10:22,827 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:10:22,829 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2019-01-12 09:10:22,836 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dc61570/e5781e4d8dff4dbdbdc8f0c43936c35b/FLAG0eedbaee1 [2019-01-12 09:10:23,150 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57dc61570/e5781e4d8dff4dbdbdc8f0c43936c35b [2019-01-12 09:10:23,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:10:23,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:10:23,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:23,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:10:23,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:10:23,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fed73e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23, skipping insertion in model container [2019-01-12 09:10:23,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:10:23,205 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:10:23,533 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:23,543 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:10:23,628 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:23,657 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:10:23,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23 WrapperNode [2019-01-12 09:10:23,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:23,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:23,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:10:23,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:10:23,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:23,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:10:23,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:10:23,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:10:23,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (1/1) ... [2019-01-12 09:10:23,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:10:23,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:10:23,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:10:23,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:10:23,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (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 [2019-01-12 09:10:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:10:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:10:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:10:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:10:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:10:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:10:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:10:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:10:24,807 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:10:24,808 INFO L286 CfgBuilder]: Removed 30 assue(true) statements. [2019-01-12 09:10:24,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:24 BoogieIcfgContainer [2019-01-12 09:10:24,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:10:24,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:10:24,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:10:24,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:10:24,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:10:23" (1/3) ... [2019-01-12 09:10:24,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c63062f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:24, skipping insertion in model container [2019-01-12 09:10:24,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:23" (2/3) ... [2019-01-12 09:10:24,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c63062f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:24, skipping insertion in model container [2019-01-12 09:10:24,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:24" (3/3) ... [2019-01-12 09:10:24,817 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2019-01-12 09:10:24,825 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:10:24,833 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:10:24,849 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:10:24,876 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:10:24,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:10:24,877 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:10:24,877 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:10:24,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:10:24,878 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:10:24,878 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:10:24,878 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:10:24,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:10:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-01-12 09:10:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:10:24,899 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:24,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:24,903 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:24,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:24,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-01-12 09:10:24,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:10:24,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:10:24,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:24,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:24,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:25,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:25,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:10:25,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:10:25,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:10:25,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:10:25,066 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-01-12 09:10:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:25,087 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-01-12 09:10:25,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:10:25,089 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:10:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:25,100 INFO L225 Difference]: With dead ends: 118 [2019-01-12 09:10:25,100 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:25,103 INFO L631 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 [2019-01-12 09:10:25,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:25,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-01-12 09:10:25,138 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-01-12 09:10:25,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:25,138 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-01-12 09:10:25,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:10:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-01-12 09:10:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:10:25,139 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:25,140 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:25,140 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:25,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:25,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-01-12 09:10:25,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:10:25,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:10:25,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:25,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:25,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:10:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:10:25,217 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:10:25,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:10:25 BoogieIcfgContainer [2019-01-12 09:10:25,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:10:25,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:10:25,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:10:25,252 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:10:25,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:24" (3/4) ... [2019-01-12 09:10:25,257 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:10:25,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:10:25,259 INFO L168 Benchmark]: Toolchain (without parser) took 2103.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:25,261 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:10:25,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:25,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:25,263 INFO L168 Benchmark]: Boogie Preprocessor took 42.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:10:25,264 INFO L168 Benchmark]: RCFGBuilder took 963.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:25,265 INFO L168 Benchmark]: TraceAbstraction took 441.46 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:25,266 INFO L168 Benchmark]: Witness Printer took 5.74 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. [2019-01-12 09:10:25,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 500.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 963.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 441.46 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.74 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] 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 [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] [L193] float x = 0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; 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] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff 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] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; 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] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 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] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __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, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 78 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=60occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 0.1.24-0ed9222-m [2019-01-12 09:10:27,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:10:27,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:10:27,557 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:10:27,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:10:27,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:10:27,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:10:27,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:10:27,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:10:27,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:10:27,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:10:27,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:10:27,572 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:10:27,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:10:27,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:10:27,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:10:27,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:10:27,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:10:27,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:10:27,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:10:27,598 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:10:27,599 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:10:27,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:10:27,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:10:27,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:10:27,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:10:27,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:10:27,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:10:27,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:10:27,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:10:27,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:10:27,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:10:27,617 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:10:27,617 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:10:27,618 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:10:27,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:10:27,619 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:10:27,642 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:10:27,642 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:10:27,644 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:10:27,645 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:10:27,645 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:10:27,645 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:10:27,645 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:10:27,646 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:10:27,646 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:10:27,646 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:10:27,646 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:10:27,646 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:10:27,646 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:10:27,647 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:10:27,647 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:10:27,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:10:27,647 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:10:27,648 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:10:27,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:10:27,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:10:27,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:10:27,648 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:10:27,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:10:27,649 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:10:27,649 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:10:27,649 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:10:27,649 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:10:27,649 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:10:27,650 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:10:27,651 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:10:27,651 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-01-12 09:10:27,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:10:27,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:10:27,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:10:27,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:10:27,725 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:10:27,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2019-01-12 09:10:27,794 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/754f51090/9a0c24f8718149cab906918c6724a359/FLAG5de7dcfa9 [2019-01-12 09:10:28,292 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:10:28,293 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2019-01-12 09:10:28,302 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/754f51090/9a0c24f8718149cab906918c6724a359/FLAG5de7dcfa9 [2019-01-12 09:10:28,633 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/754f51090/9a0c24f8718149cab906918c6724a359 [2019-01-12 09:10:28,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:10:28,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:10:28,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:28,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:10:28,645 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:10:28,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:28" (1/1) ... [2019-01-12 09:10:28,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74be1d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:28, skipping insertion in model container [2019-01-12 09:10:28,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:28" (1/1) ... [2019-01-12 09:10:28,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:10:28,697 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:10:29,040 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:29,056 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:10:29,137 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:29,178 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:10:29,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29 WrapperNode [2019-01-12 09:10:29,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:29,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:29,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:10:29,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:10:29,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:29,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:10:29,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:10:29,324 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:10:29,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (1/1) ... [2019-01-12 09:10:29,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:10:29,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:10:29,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:10:29,380 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:10:29,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (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 [2019-01-12 09:10:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:10:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:10:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:10:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:10:29,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:10:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:10:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:10:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:10:29,898 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:32,903 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:35,103 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:37,923 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:40,151 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:40,180 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:10:40,181 INFO L286 CfgBuilder]: Removed 30 assue(true) statements. [2019-01-12 09:10:40,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:40 BoogieIcfgContainer [2019-01-12 09:10:40,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:10:40,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:10:40,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:10:40,187 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:10:40,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:10:28" (1/3) ... [2019-01-12 09:10:40,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518920ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:40, skipping insertion in model container [2019-01-12 09:10:40,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:29" (2/3) ... [2019-01-12 09:10:40,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518920ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:40, skipping insertion in model container [2019-01-12 09:10:40,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:40" (3/3) ... [2019-01-12 09:10:40,191 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2019-01-12 09:10:40,201 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:10:40,210 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:10:40,232 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:10:40,264 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:10:40,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:10:40,265 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:10:40,265 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:10:40,265 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:10:40,265 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:10:40,265 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:10:40,265 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:10:40,265 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:10:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-01-12 09:10:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:10:40,286 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:40,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:40,288 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:40,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-01-12 09:10:40,298 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:40,299 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) [2019-01-12 09:10:40,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:10:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:40,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:40,608 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:40,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:40,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:10:40,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:10:40,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:10:40,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:10:40,639 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-01-12 09:10:40,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:40,661 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-01-12 09:10:40,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:10:40,663 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:10:40,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:40,674 INFO L225 Difference]: With dead ends: 118 [2019-01-12 09:10:40,675 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:40,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:10:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-01-12 09:10:40,721 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-01-12 09:10:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:40,721 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-01-12 09:10:40,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:10:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-01-12 09:10:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:10:40,722 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:40,723 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:40,724 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:40,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:40,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-01-12 09:10:40,725 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:40,726 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 [2019-01-12 09:10:40,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:40,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:41,041 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:41,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:41,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:10:41,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:10:41,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:10:41,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:10:41,056 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 5 states. [2019-01-12 09:10:42,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:42,469 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-01-12 09:10:42,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:10:42,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-01-12 09:10:42,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:42,472 INFO L225 Difference]: With dead ends: 104 [2019-01-12 09:10:42,472 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:42,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:10:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-01-12 09:10:42,488 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-01-12 09:10:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:42,488 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-01-12 09:10:42,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:10:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-01-12 09:10:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-12 09:10:42,489 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:42,489 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:42,490 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:42,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-01-12 09:10:42,491 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:42,491 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 [2019-01-12 09:10:42,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:42,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:42,678 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:42,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:42,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:10:42,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:10:42,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:10:42,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:10:42,691 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 5 states. [2019-01-12 09:10:42,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:42,996 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-01-12 09:10:42,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:10:42,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-01-12 09:10:42,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:42,999 INFO L225 Difference]: With dead ends: 69 [2019-01-12 09:10:43,000 INFO L226 Difference]: Without dead ends: 66 [2019-01-12 09:10:43,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:10:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-12 09:10:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-01-12 09:10:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-12 09:10:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-01-12 09:10:43,015 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-01-12 09:10:43,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:43,016 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-01-12 09:10:43,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:10:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-01-12 09:10:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 09:10:43,018 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:43,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:43,018 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:43,019 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-01-12 09:10:43,019 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:43,019 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 [2019-01-12 09:10:43,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:43,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:43,455 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:43,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:43,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-12 09:10:43,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-12 09:10:43,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-12 09:10:43,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:10:43,467 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 9 states. [2019-01-12 09:10:43,905 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-12 09:10:44,164 WARN L181 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-01-12 09:10:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:44,374 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-01-12 09:10:44,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 09:10:44,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-01-12 09:10:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:44,376 INFO L225 Difference]: With dead ends: 66 [2019-01-12 09:10:44,376 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:44,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-01-12 09:10:44,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:44,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-01-12 09:10:44,389 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-01-12 09:10:44,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:44,389 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-01-12 09:10:44,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-12 09:10:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-01-12 09:10:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-12 09:10:44,391 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:44,391 INFO L402 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] [2019-01-12 09:10:44,391 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:44,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:44,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-01-12 09:10:44,392 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:44,393 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 [2019-01-12 09:10:44,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:46,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:46,173 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:46,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:46,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:10:46,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:10:46,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:10:46,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:10:46,214 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 4 states. [2019-01-12 09:10:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:46,242 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-01-12 09:10:46,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:10:46,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-01-12 09:10:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:46,245 INFO L225 Difference]: With dead ends: 57 [2019-01-12 09:10:46,245 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:10:46,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:10:46,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:10:46,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:10:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:10:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:10:46,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-01-12 09:10:46,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:46,247 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:10:46,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:10:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:10:46,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:10:46,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:10:46,508 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-12 09:10:46,603 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-01-12 09:10:46,603 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-01-12 09:10:46,603 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-01-12 09:10:46,603 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-01-12 09:10:46,604 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-01-12 09:10:46,604 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-01-12 09:10:46,604 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:10:46,604 INFO L451 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-01-12 09:10:46,604 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:10:46,605 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2019-01-12 09:10:46,605 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-01-12 09:10:46,605 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:10:46,605 INFO L444 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2))) |ULTIMATE.start_main_#t~short21| (= (_ +zero 8 24) |ULTIMATE.start___ieee754_asinf_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2019-01-12 09:10:46,605 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-01-12 09:10:46,605 INFO L444 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-01-12 09:10:46,606 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-01-12 09:10:46,606 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-01-12 09:10:46,606 INFO L444 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-01-12 09:10:46,606 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-01-12 09:10:46,606 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-01-12 09:10:46,606 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:10:46,606 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-01-12 09:10:46,607 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-01-12 09:10:46,608 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-01-12 09:10:46,608 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-01-12 09:10:46,608 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-01-12 09:10:46,608 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-01-12 09:10:46,608 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-01-12 09:10:46,608 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:10:46,610 INFO L444 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-01-12 09:10:46,610 INFO L444 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-01-12 09:10:46,610 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-01-12 09:10:46,611 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-01-12 09:10:46,611 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-01-12 09:10:46,611 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-01-12 09:10:46,611 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-01-12 09:10:46,611 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-01-12 09:10:46,611 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-01-12 09:10:46,611 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-01-12 09:10:46,612 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-01-12 09:10:46,613 INFO L444 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-01-12 09:10:46,613 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-01-12 09:10:46,614 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-01-12 09:10:46,614 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-01-12 09:10:46,614 INFO L444 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-01-12 09:10:46,614 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2))) |ULTIMATE.start_main_#t~short21| (= (_ +zero 8 24) |ULTIMATE.start___ieee754_asinf_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2019-01-12 09:10:46,614 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-01-12 09:10:46,614 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-01-12 09:10:46,615 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-01-12 09:10:46,616 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-01-12 09:10:46,616 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-01-12 09:10:46,616 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-01-12 09:10:46,616 INFO L444 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2))) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_asinf_#res|)) [2019-01-12 09:10:46,616 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-01-12 09:10:46,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,633 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,633 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,634 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,634 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,640 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,641 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,641 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,641 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,641 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,643 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,643 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,644 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,644 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,644 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,644 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:10:46 BoogieIcfgContainer [2019-01-12 09:10:46,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:10:46,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:10:46,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:10:46,648 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:10:46,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:40" (3/4) ... [2019-01-12 09:10:46,652 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:10:46,667 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:10:46,667 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:10:46,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:10:46,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && ~Pluszero~LONGDOUBLE() == \result [2019-01-12 09:10:46,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2019-01-12 09:10:46,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2019-01-12 09:10:46,752 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:10:46,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:10:46,753 INFO L168 Benchmark]: Toolchain (without parser) took 18116.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 951.3 MB in the beginning and 910.0 MB in the end (delta: 41.3 MB). Peak memory consumption was 176.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:46,759 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:10:46,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.62 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:46,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:46,761 INFO L168 Benchmark]: Boogie Preprocessor took 55.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:10:46,769 INFO L168 Benchmark]: RCFGBuilder took 10803.17 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:46,770 INFO L168 Benchmark]: TraceAbstraction took 6463.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.6 MB in the end (delta: 166.9 MB). Peak memory consumption was 166.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:46,770 INFO L168 Benchmark]: Witness Printer took 104.76 ms. Allocated memory is still 1.2 GB. Free memory was 916.6 MB in the beginning and 910.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:46,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 539.62 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10803.17 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6463.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.6 MB in the end (delta: 166.9 MB). Peak memory consumption was 166.9 MB. Max. memory is 11.5 GB. * Witness Printer took 104.76 ms. Allocated memory is still 1.2 GB. Free memory was 916.6 MB in the beginning and 910.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-01-12 09:10:46,787 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,788 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,788 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,788 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,793 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,794 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,794 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,794 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2019-01-12 09:10:46,795 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 120]: Loop Invariant [2019-01-12 09:10:46,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,805 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,805 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:46,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-01-12 09:10:46,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:46,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 267 SDtfs, 372 SDslu, 487 SDs, 0 SdLazy, 92 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 149 HoareAnnotationTreeSize, 13 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 1 QuantifiedInterpolants, 7638 SizeOfPredicates, 25 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...