./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 91b1670e 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 0.1.24-91b1670 [2018-11-28 17:57:08,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:57:08,888 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:57:08,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:57:08,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:57:08,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:57:08,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:57:08,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:57:08,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:57:08,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:57:08,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:57:08,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:57:08,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:57:08,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:57:08,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:57:08,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:57:08,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:57:08,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:57:08,920 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:57:08,926 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:57:08,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:57:08,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:57:08,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:57:08,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:57:08,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:57:08,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:57:08,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:57:08,946 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:57:08,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:57:08,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:57:08,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:57:08,952 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:57:08,954 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:57:08,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:57:08,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:57:08,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:57:08,959 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:57:08,987 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:57:08,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:57:08,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:57:08,990 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:57:08,991 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:57:08,992 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:57:08,992 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:57:08,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:57:08,993 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:57:08,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:57:08,993 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:57:08,993 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:57:08,993 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:57:08,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:57:08,995 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:57:08,995 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:57:08,996 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:57:08,996 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:57:08,996 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:57:08,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:57:08,996 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:57:08,998 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:57:08,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:57:08,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:57:08,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:57:08,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:57:09,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:57:09,000 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:57:09,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:57:09,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:57:09,001 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 [2018-11-28 17:57:09,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:57:09,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:57:09,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:57:09,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:57:09,092 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:57:09,094 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-28 17:57:09,152 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43bb746c8/63f10315e9c746da97818f9b019e9bfa/FLAG3d69ecfcd [2018-11-28 17:57:09,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:57:09,602 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-28 17:57:09,620 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43bb746c8/63f10315e9c746da97818f9b019e9bfa/FLAG3d69ecfcd [2018-11-28 17:57:09,971 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43bb746c8/63f10315e9c746da97818f9b019e9bfa [2018-11-28 17:57:09,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:57:09,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:57:09,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:09,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:57:09,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:57:09,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:09" (1/1) ... [2018-11-28 17:57:09,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e0366e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:09, skipping insertion in model container [2018-11-28 17:57:09,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:09" (1/1) ... [2018-11-28 17:57:09,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:57:10,029 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:57:10,390 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:10,396 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:57:10,454 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:10,480 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:57:10,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10 WrapperNode [2018-11-28 17:57:10,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:10,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:10,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:57:10,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:57:10,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:10,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:57:10,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:57:10,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:57:10,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... [2018-11-28 17:57:10,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:57:10,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:57:10,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:57:10,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:57:10,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:57:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:57:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:57:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-28 17:57:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-28 17:57:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 17:57:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 17:57:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:57:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:57:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-28 17:57:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-28 17:57:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 17:57:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:57:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:57:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:57:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 17:57:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 17:57:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 17:57:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:57:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-28 17:57:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-28 17:57:11,753 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:57:11,754 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-11-28 17:57:11,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:11 BoogieIcfgContainer [2018-11-28 17:57:11,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:57:11,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:57:11,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:57:11,759 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:57:11,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:57:09" (1/3) ... [2018-11-28 17:57:11,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc55d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:11, skipping insertion in model container [2018-11-28 17:57:11,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:10" (2/3) ... [2018-11-28 17:57:11,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc55d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:11, skipping insertion in model container [2018-11-28 17:57:11,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:11" (3/3) ... [2018-11-28 17:57:11,763 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-11-28 17:57:11,774 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:57:11,782 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:57:11,800 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:57:11,838 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:57:11,839 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:57:11,839 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:57:11,839 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:57:11,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:57:11,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:57:11,841 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:57:11,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:57:11,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:57:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-28 17:57:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 17:57:11,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:11,876 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:11,878 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:11,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:11,884 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-11-28 17:57:11,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:57:11,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:57:11,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:11,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:11,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:12,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:12,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:57:12,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:57:12,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:57:12,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:12,127 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-28 17:57:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:12,174 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-11-28 17:57:12,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:57:12,175 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-28 17:57:12,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:12,187 INFO L225 Difference]: With dead ends: 152 [2018-11-28 17:57:12,188 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 17:57:12,194 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 [2018-11-28 17:57:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 17:57:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 17:57:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-11-28 17:57:12,265 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-11-28 17:57:12,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:12,267 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-11-28 17:57:12,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:57:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-11-28 17:57:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 17:57:12,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:12,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:12,272 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:12,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:12,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-11-28 17:57:12,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:57:12,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:57:12,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:12,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:12,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:57:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:57:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 17:57:12,465 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 17:57:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:57:12 BoogieIcfgContainer [2018-11-28 17:57:12,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:57:12,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:57:12,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:57:12,552 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:57:12,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:11" (3/4) ... [2018-11-28 17:57:12,560 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 17:57:12,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:57:12,561 INFO L168 Benchmark]: Toolchain (without parser) took 2584.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -75.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,565 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:57:12,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.28 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 929.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 929.8 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,571 INFO L168 Benchmark]: Boogie Preprocessor took 57.71 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. [2018-11-28 17:57:12,573 INFO L168 Benchmark]: RCFGBuilder took 1099.97 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,574 INFO L168 Benchmark]: TraceAbstraction took 795.96 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:57:12,576 INFO L168 Benchmark]: Witness Printer took 8.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:57:12,584 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.28 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 929.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 929.8 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.71 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 1099.97 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 795.96 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Witness Printer took 8.51 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 [\old(huge_asin)=6442450964, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450959, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450957, \old(pS1_asin)=6442450953, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450956, \old(pS4_asin)=6442450962, \old(pS5_asin)=6442450954, \old(qS1_asin)=6442450966, \old(qS2_asin)=6442450963, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450960, \old(tiny_sqrt)=6442450961, 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; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [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 [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450965, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [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, res=6442450965, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [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, res=6442450965, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 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=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 0.1.24-91b1670 [2018-11-28 17:57:15,069 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:57:15,071 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:57:15,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:57:15,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:57:15,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:57:15,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:57:15,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:57:15,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:57:15,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:57:15,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:57:15,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:57:15,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:57:15,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:57:15,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:57:15,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:57:15,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:57:15,104 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:57:15,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:57:15,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:57:15,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:57:15,115 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:57:15,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:57:15,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:57:15,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:57:15,121 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:57:15,121 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:57:15,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:57:15,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:57:15,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:57:15,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:57:15,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:57:15,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:57:15,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:57:15,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:57:15,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:57:15,133 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 17:57:15,165 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:57:15,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:57:15,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:57:15,170 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:57:15,171 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:57:15,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:57:15,172 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:57:15,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:57:15,172 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:57:15,172 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:57:15,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:57:15,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:57:15,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:57:15,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:57:15,174 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 17:57:15,174 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 17:57:15,174 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:57:15,176 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:57:15,176 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:57:15,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:57:15,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:57:15,176 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:57:15,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:57:15,177 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:57:15,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:57:15,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:57:15,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:57:15,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:57:15,178 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 17:57:15,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:57:15,178 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 17:57:15,179 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 17:57:15,179 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 [2018-11-28 17:57:15,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:57:15,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:57:15,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:57:15,275 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:57:15,275 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:57:15,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-28 17:57:15,347 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df06df29/c33d0ec5b4cf447c90533f0c5566bf07/FLAGeec41a88a [2018-11-28 17:57:15,926 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:57:15,928 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-28 17:57:15,940 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df06df29/c33d0ec5b4cf447c90533f0c5566bf07/FLAGeec41a88a [2018-11-28 17:57:16,209 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df06df29/c33d0ec5b4cf447c90533f0c5566bf07 [2018-11-28 17:57:16,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:57:16,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:57:16,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:16,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:57:16,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:57:16,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58402a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16, skipping insertion in model container [2018-11-28 17:57:16,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:57:16,278 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:57:16,581 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:16,589 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:57:16,660 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:57:16,699 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:57:16,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16 WrapperNode [2018-11-28 17:57:16,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:57:16,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:16,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:57:16,701 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:57:16,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:57:16,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:57:16,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:57:16,819 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:57:16,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... [2018-11-28 17:57:16,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:57:16,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:57:16,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:57:16,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:57:16,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:57:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:57:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:57:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-28 17:57:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-28 17:57:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-28 17:57:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:57:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:57:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-28 17:57:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-28 17:57:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 17:57:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 17:57:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:57:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:57:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-28 17:57:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 17:57:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-28 17:57:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-28 17:57:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 17:57:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-28 17:57:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-28 17:57:17,313 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:17,403 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:27,706 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:27,848 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:28,855 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 17:57:28,863 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:57:28,863 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-11-28 17:57:28,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:28 BoogieIcfgContainer [2018-11-28 17:57:28,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:57:28,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:57:28,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:57:28,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:57:28,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:57:16" (1/3) ... [2018-11-28 17:57:28,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47651a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:28, skipping insertion in model container [2018-11-28 17:57:28,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:16" (2/3) ... [2018-11-28 17:57:28,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47651a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:28, skipping insertion in model container [2018-11-28 17:57:28,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:28" (3/3) ... [2018-11-28 17:57:28,872 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-11-28 17:57:28,881 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:57:28,890 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:57:28,909 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:57:28,942 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:57:28,943 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:57:28,943 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:57:28,943 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:57:28,943 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:57:28,943 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:57:28,944 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:57:28,944 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:57:28,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:57:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-28 17:57:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 17:57:28,970 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:28,972 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:28,975 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:28,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:28,981 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-11-28 17:57:28,986 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:28,986 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:28,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:29,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:29,277 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:29,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:29,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 17:57:29,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 17:57:29,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 17:57:29,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:29,312 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-28 17:57:29,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:29,353 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-11-28 17:57:29,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 17:57:29,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-28 17:57:29,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:29,366 INFO L225 Difference]: With dead ends: 152 [2018-11-28 17:57:29,367 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 17:57:29,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 17:57:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 17:57:29,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 17:57:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-11-28 17:57:29,417 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-11-28 17:57:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:29,418 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-11-28 17:57:29,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 17:57:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-11-28 17:57:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 17:57:29,419 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:29,419 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:29,420 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:29,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:29,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-11-28 17:57:29,421 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:29,421 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:29,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:29,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:30,036 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:30,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:30,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:30,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:30,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:30,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:30,053 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-11-28 17:57:38,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:38,879 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-11-28 17:57:38,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:57:38,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-28 17:57:38,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:38,886 INFO L225 Difference]: With dead ends: 94 [2018-11-28 17:57:38,886 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 17:57:38,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:38,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 17:57:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-11-28 17:57:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-11-28 17:57:38,903 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-11-28 17:57:38,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:38,904 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-11-28 17:57:38,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-11-28 17:57:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 17:57:38,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:38,905 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:38,906 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:38,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:38,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-11-28 17:57:38,907 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:38,907 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:38,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:39,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:39,329 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:39,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:39,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:39,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:39,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:39,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:39,348 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-11-28 17:57:39,635 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 17:57:45,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:45,793 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2018-11-28 17:57:45,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:57:45,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 17:57:45,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:45,797 INFO L225 Difference]: With dead ends: 94 [2018-11-28 17:57:45,798 INFO L226 Difference]: Without dead ends: 79 [2018-11-28 17:57:45,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:45,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-11-28 17:57:45,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-11-28 17:57:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-11-28 17:57:45,810 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-11-28 17:57:45,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:45,811 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-11-28 17:57:45,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-11-28 17:57:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 17:57:45,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:45,813 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] [2018-11-28 17:57:45,814 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:45,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:45,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-11-28 17:57:45,815 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:45,815 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-11-28 17:57:45,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:47,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:47,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:47,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:47,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:47,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:47,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:47,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:47,156 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-11-28 17:57:47,466 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 17:57:52,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:52,922 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2018-11-28 17:57:52,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 17:57:52,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-28 17:57:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:52,926 INFO L225 Difference]: With dead ends: 104 [2018-11-28 17:57:52,926 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 17:57:52,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 17:57:52,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 17:57:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-11-28 17:57:52,941 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 21 [2018-11-28 17:57:52,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:52,941 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-11-28 17:57:52,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-11-28 17:57:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 17:57:52,943 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:52,943 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] [2018-11-28 17:57:52,943 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:52,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:52,944 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-11-28 17:57:52,944 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:52,944 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:52,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:53,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:53,201 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:53,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:53,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 17:57:53,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 17:57:53,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 17:57:53,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:57:53,220 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 7 states. [2018-11-28 17:57:53,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:53,842 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2018-11-28 17:57:53,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:57:53,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-28 17:57:53,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:53,844 INFO L225 Difference]: With dead ends: 83 [2018-11-28 17:57:53,844 INFO L226 Difference]: Without dead ends: 80 [2018-11-28 17:57:53,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:57:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-28 17:57:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-28 17:57:53,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-28 17:57:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2018-11-28 17:57:53,857 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 22 [2018-11-28 17:57:53,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:53,858 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2018-11-28 17:57:53,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 17:57:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2018-11-28 17:57:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 17:57:53,860 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:53,860 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] [2018-11-28 17:57:53,860 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:53,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:53,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-11-28 17:57:53,862 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:53,862 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:53,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:53,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:54,239 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:54,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:54,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 17:57:54,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 17:57:54,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 17:57:54,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-28 17:57:54,254 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand 12 states. [2018-11-28 17:57:55,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:57:55,467 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2018-11-28 17:57:55,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 17:57:55,468 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-28 17:57:55,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:57:55,470 INFO L225 Difference]: With dead ends: 85 [2018-11-28 17:57:55,471 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 17:57:55,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-28 17:57:55,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 17:57:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-28 17:57:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-28 17:57:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2018-11-28 17:57:55,481 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 30 [2018-11-28 17:57:55,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:57:55,482 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2018-11-28 17:57:55,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 17:57:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2018-11-28 17:57:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-28 17:57:55,484 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:57:55,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:57:55,486 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:57:55,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:57:55,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1646459894, now seen corresponding path program 1 times [2018-11-28 17:57:55,488 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 17:57:55,488 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-28 17:57:55,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:57:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:57:57,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:57:58,488 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 17:57:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:57:59,524 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 17:57:59,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:57:59,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:57:59,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:57:59,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:57:59,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:57:59,564 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 6 states. [2018-11-28 17:58:01,475 WARN L180 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 17:58:05,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:58:05,107 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2018-11-28 17:58:05,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:58:05,114 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-11-28 17:58:05,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:58:05,115 INFO L225 Difference]: With dead ends: 76 [2018-11-28 17:58:05,115 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:58:05,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:58:05,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:58:05,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:58:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:58:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:58:05,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-11-28 17:58:05,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:58:05,119 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:58:05,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:58:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:58:05,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:58:05,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:58:05,570 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 17:58:06,319 WARN L180 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-11-28 17:58:07,227 WARN L180 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-11-28 17:58:08,179 WARN L180 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-11-28 17:58:08,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:58:08,221 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:58:08,221 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:58:08,221 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-11-28 17:58:08,221 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-11-28 17:58:08,221 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-11-28 17:58:08,221 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-11-28 17:58:08,221 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-11-28 17:58:08,221 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-11-28 17:58:08,221 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-28 17:58:08,222 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-11-28 17:58:08,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:58:08,222 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-11-28 17:58:08,222 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:58:08,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:58:08,222 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-28 17:58:08,222 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-11-28 17:58:08,222 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-11-28 17:58:08,223 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-11-28 17:58:08,223 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-11-28 17:58:08,223 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-11-28 17:58:08,223 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-28 17:58:08,223 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-28 17:58:08,223 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short21|) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:08,223 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-11-28 17:58:08,224 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= (_ +zero 8 24) main_~x~0) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:08,224 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-11-28 17:58:08,224 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-11-28 17:58:08,224 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-11-28 17:58:08,224 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-11-28 17:58:08,224 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-11-28 17:58:08,225 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-11-28 17:58:08,225 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-11-28 17:58:08,225 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-11-28 17:58:08,225 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-11-28 17:58:08,225 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 17:58:08,225 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-11-28 17:58:08,225 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-11-28 17:58:08,226 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-11-28 17:58:08,226 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-28 17:58:08,226 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 17:58:08,226 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-11-28 17:58:08,226 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-11-28 17:58:08,226 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-11-28 17:58:08,226 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-11-28 17:58:08,226 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-11-28 17:58:08,227 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-28 17:58:08,228 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-11-28 17:58:08,229 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-11-28 17:58:08,230 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-11-28 17:58:08,230 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-11-28 17:58:08,230 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-11-28 17:58:08,230 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-28 17:58:08,230 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-28 17:58:08,230 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-11-28 17:58:08,230 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-11-28 17:58:08,248 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,249 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,249 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,249 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,254 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,255 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:58:08 BoogieIcfgContainer [2018-11-28 17:58:08,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:58:08,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:58:08,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:58:08,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:58:08,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:28" (3/4) ... [2018-11-28 17:58:08,273 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:58:08,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:58:08,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-28 17:58:08,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:58:08,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-28 17:58:08,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-28 17:58:08,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-28 17:58:08,291 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 17:58:08,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-28 17:58:08,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 17:58:08,293 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 17:58:08,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-11-28 17:58:08,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-28 17:58:08,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-11-28 17:58:08,392 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:58:08,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:58:08,398 INFO L168 Benchmark]: Toolchain (without parser) took 52183.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:08,399 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:58:08,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.73 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:08,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:08,400 INFO L168 Benchmark]: Boogie Preprocessor took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:58:08,401 INFO L168 Benchmark]: RCFGBuilder took 11979.66 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:08,401 INFO L168 Benchmark]: TraceAbstraction took 39399.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -71.2 MB). Peak memory consumption was 288.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:08,401 INFO L168 Benchmark]: Witness Printer took 128.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:58:08,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 481.73 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 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 117.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.93 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 11979.66 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39399.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -71.2 MB). Peak memory consumption was 288.8 MB. Max. memory is 11.5 GB. * Witness Printer took 128.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - 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 * 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: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-11-28 17:58:08,423 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,423 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,423 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,424 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,424 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-28 17:58:08,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-11-28 17:58:08,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 17:58:08,430 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. SAFE Result, 39.2s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 28.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 569 SDtfs, 354 SDslu, 2332 SDs, 0 SdLazy, 346 SolverSat, 44 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 24.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 131 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 44 PreInvPairs, 63 NumberOfFragments, 284 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 459 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 168 ConstructedInterpolants, 15 QuantifiedInterpolants, 47185 SizeOfPredicates, 25 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...