./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/double_req_bl_0981.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 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/double_req_bl_0981.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 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-c1f4b5c [2019-12-08 15:53:54,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:53:54,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:53:54,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:53:54,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:53:54,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:53:54,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:53:54,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:53:54,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:53:54,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:53:54,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:53:54,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:53:54,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:53:54,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:53:54,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:53:54,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:53:54,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:53:54,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:53:54,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:53:54,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:53:54,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:53:54,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:53:54,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:53:54,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:53:54,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:53:54,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:53:54,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:53:54,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:53:54,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:53:54,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:53:54,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:53:54,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:53:54,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:53:54,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:53:54,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:53:54,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:53:54,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:53:54,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:53:54,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:53:54,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:53:54,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:53:54,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:53:54,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:53:54,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:53:54,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:53:54,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:53:54,091 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:53:54,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:53:54,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:53:54,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:53:54,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:53:54,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:53:54,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:53:54,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:53:54,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:53:54,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:53:54,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:53:54,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:53:54,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:53:54,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:53:54,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:53:54,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:53:54,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:53:54,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:53:54,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:53:54,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:53:54,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:53:54,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:53:54,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:53:54,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:53:54,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:53:54,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 [2019-12-08 15:53:54,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:53:54,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:53:54,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:53:54,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:53:54,503 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:53:54,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2019-12-08 15:53:54,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb60c37e/98034c305bae43b8a703de08766be8c1/FLAG276e1438b [2019-12-08 15:53:55,072 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:53:55,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2019-12-08 15:53:55,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb60c37e/98034c305bae43b8a703de08766be8c1/FLAG276e1438b [2019-12-08 15:53:55,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb60c37e/98034c305bae43b8a703de08766be8c1 [2019-12-08 15:53:55,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:53:55,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:53:55,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:53:55,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:53:55,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:53:55,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed98577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55, skipping insertion in model container [2019-12-08 15:53:55,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:53:55,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:53:55,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:53:55,739 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:53:55,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:53:55,882 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:53:55,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55 WrapperNode [2019-12-08 15:53:55,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:53:55,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:53:55,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:53:55,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:53:55,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:53:55,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:53:55,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:53:55,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:53:55,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:55,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:56,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... [2019-12-08 15:53:56,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:53:56,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:53:56,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:53:56,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:53:56,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:53:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:53:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:53:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:53:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:53:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:53:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:53:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:53:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:53:56,681 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:53:56,684 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-08 15:53:56,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:53:56 BoogieIcfgContainer [2019-12-08 15:53:56,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:53:56,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:53:56,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:53:56,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:53:56,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:53:55" (1/3) ... [2019-12-08 15:53:56,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d26b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:53:56, skipping insertion in model container [2019-12-08 15:53:56,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:53:55" (2/3) ... [2019-12-08 15:53:56,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d26b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:53:56, skipping insertion in model container [2019-12-08 15:53:56,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:53:56" (3/3) ... [2019-12-08 15:53:56,698 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2019-12-08 15:53:56,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:53:56,717 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:53:56,731 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:53:56,753 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:53:56,753 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:53:56,753 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:53:56,753 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:53:56,754 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:53:56,754 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:53:56,754 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:53:56,754 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:53:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-12-08 15:53:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:53:56,776 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:53:56,777 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:53:56,778 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:53:56,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:53:56,783 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2019-12-08 15:53:56,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:53:56,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366946680] [2019-12-08 15:53:56,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:53:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:53:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:53:56,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366946680] [2019-12-08 15:53:56,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:53:56,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:53:56,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242680930] [2019-12-08 15:53:56,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:53:56,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:53:56,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:53:56,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:53:56,954 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-12-08 15:53:56,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:53:56,979 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2019-12-08 15:53:56,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:53:56,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-08 15:53:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:53:56,993 INFO L225 Difference]: With dead ends: 88 [2019-12-08 15:53:56,993 INFO L226 Difference]: Without dead ends: 42 [2019-12-08 15:53:56,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:53:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-12-08 15:53:57,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-12-08 15:53:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-08 15:53:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2019-12-08 15:53:57,037 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2019-12-08 15:53:57,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:53:57,038 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2019-12-08 15:53:57,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:53:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-12-08 15:53:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:53:57,039 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:53:57,039 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:53:57,040 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:53:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:53:57,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2019-12-08 15:53:57,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:53:57,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497654084] [2019-12-08 15:53:57,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:53:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:53:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:53:57,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:53:57,249 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:53:57,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:53:57 BoogieIcfgContainer [2019-12-08 15:53:57,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:53:57,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:53:57,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:53:57,297 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:53:57,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:53:56" (3/4) ... [2019-12-08 15:53:57,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:53:57,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:53:57,304 INFO L168 Benchmark]: Toolchain (without parser) took 1849.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -43.0 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:57,305 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:53:57,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:57,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:53:57,308 INFO L168 Benchmark]: Boogie Preprocessor took 53.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:57,309 INFO L168 Benchmark]: RCFGBuilder took 672.73 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:57,310 INFO L168 Benchmark]: TraceAbstraction took 609.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:57,311 INFO L168 Benchmark]: Witness Printer took 5.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:53:57,315 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.49 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. * Boogie Preprocessor took 53.14 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 672.73 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 609.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.42 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: 186]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 131, overapproximation of bitwiseAnd at line 167. Possible FailurePath: [L15-L24] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L26] static const double zero = 0.0; [L109-L112] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L114] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L181] double x = 1.0 / 0.0; [L117] double y, z; [L118] __int32_t i, k, hx; [L119] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L122] ieee_double_shape_type ew_u; [L123] ew_u.value = (x) [L124] EXPR ew_u.parts.msw [L124] (hx) = ew_u.parts.msw [L125] EXPR ew_u.parts.lsw [L125] (lx) = ew_u.parts.lsw [L128] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L129] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L130] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L131] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] double res = __ieee754_log10(x); [L160] __int32_t hx, lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L162] ieee_double_shape_type ew_u; [L163] ew_u.value = (x) [L164] EXPR ew_u.parts.msw [L164] (hx) = ew_u.parts.msw [L165] EXPR ew_u.parts.lsw [L165] (lx) = ew_u.parts.lsw [L167] hx &= 0x7fffffff [L168] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L169] hx = 0x7ff00000 - hx [L170] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 59 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=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-c1f4b5c [2019-12-08 15:53:59,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:53:59,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:53:59,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:53:59,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:53:59,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:53:59,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:53:59,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:53:59,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:53:59,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:53:59,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:53:59,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:53:59,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:53:59,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:53:59,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:53:59,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:53:59,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:53:59,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:53:59,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:53:59,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:53:59,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:53:59,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:53:59,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:53:59,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:53:59,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:53:59,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:53:59,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:53:59,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:53:59,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:53:59,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:53:59,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:53:59,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:53:59,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:53:59,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:53:59,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:53:59,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:53:59,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:53:59,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:53:59,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:53:59,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:53:59,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:53:59,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:53:59,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:53:59,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:53:59,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:53:59,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:53:59,393 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:53:59,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:53:59,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:53:59,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:53:59,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:53:59,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:53:59,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:53:59,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:53:59,395 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:53:59,395 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:53:59,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:53:59,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:53:59,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:53:59,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:53:59,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:53:59,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:53:59,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:53:59,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:53:59,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:53:59,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:53:59,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:53:59,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:53:59,399 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:53:59,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:53:59,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:53:59,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:53:59,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:53:59,400 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 [2019-12-08 15:53:59,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:53:59,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:53:59,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:53:59,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:53:59,727 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:53:59,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2019-12-08 15:53:59,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fb34eb9/6a446e37c69f4dd190666d04a57e6420/FLAGcb1576c80 [2019-12-08 15:54:00,281 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:54:00,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2019-12-08 15:54:00,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fb34eb9/6a446e37c69f4dd190666d04a57e6420/FLAGcb1576c80 [2019-12-08 15:54:00,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fb34eb9/6a446e37c69f4dd190666d04a57e6420 [2019-12-08 15:54:00,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:54:00,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:54:00,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:54:00,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:54:00,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:54:00,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:54:00" (1/1) ... [2019-12-08 15:54:00,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cece45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:00, skipping insertion in model container [2019-12-08 15:54:00,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:54:00" (1/1) ... [2019-12-08 15:54:00,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:54:00,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:54:00,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:54:00,919 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:54:01,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:54:01,104 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:54:01,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01 WrapperNode [2019-12-08 15:54:01,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:54:01,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:54:01,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:54:01,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:54:01,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:54:01,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:54:01,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:54:01,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:54:01,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... [2019-12-08 15:54:01,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:54:01,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:54:01,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:54:01,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:54:01,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:54:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:54:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:54:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:54:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:54:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:54:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:54:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:54:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:54:31,885 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:54:31,885 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-08 15:54:31,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:54:31 BoogieIcfgContainer [2019-12-08 15:54:31,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:54:31,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:54:31,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:54:31,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:54:31,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:54:00" (1/3) ... [2019-12-08 15:54:31,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb65580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:54:31, skipping insertion in model container [2019-12-08 15:54:31,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:54:01" (2/3) ... [2019-12-08 15:54:31,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb65580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:54:31, skipping insertion in model container [2019-12-08 15:54:31,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:54:31" (3/3) ... [2019-12-08 15:54:31,898 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2019-12-08 15:54:31,907 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:54:31,913 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:54:31,924 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:54:31,945 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:54:31,945 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:54:31,945 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:54:31,946 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:54:31,946 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:54:31,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:54:31,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:54:31,946 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:54:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-12-08 15:54:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:54:31,965 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:54:31,966 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:54:31,967 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:54:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:54:31,972 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2019-12-08 15:54:31,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:54:31,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66876710] [2019-12-08 15:54:31,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-12-08 15:54:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:54:32,996 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:54:33,001 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:54:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:54:33,013 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:54:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:54:33,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66876710] [2019-12-08 15:54:33,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:54:33,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:54:33,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797217449] [2019-12-08 15:54:33,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:54:33,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:54:33,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:54:33,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:54:33,044 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-12-08 15:54:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:54:33,065 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2019-12-08 15:54:33,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:54:33,067 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-08 15:54:33,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:54:33,078 INFO L225 Difference]: With dead ends: 88 [2019-12-08 15:54:33,079 INFO L226 Difference]: Without dead ends: 42 [2019-12-08 15:54:33,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:54:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-12-08 15:54:33,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-12-08 15:54:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-08 15:54:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2019-12-08 15:54:33,123 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2019-12-08 15:54:33,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:54:33,124 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2019-12-08 15:54:33,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:54:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-12-08 15:54:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:54:33,125 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:54:33,126 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:54:33,339 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:54:33,339 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:54:33,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:54:33,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2019-12-08 15:54:33,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:54:33,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89223296] [2019-12-08 15:54:33,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-08 15:54:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:54:34,356 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-08 15:54:34,358 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:54:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:54:34,451 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:54:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:54:34,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89223296] [2019-12-08 15:54:34,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:54:34,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-08 15:54:34,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972507596] [2019-12-08 15:54:34,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-08 15:54:34,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:54:34,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-08 15:54:34,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-08 15:54:34,540 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 6 states. [2019-12-08 15:54:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:54:34,709 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2019-12-08 15:54:34,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-08 15:54:34,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-08 15:54:34,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:54:34,724 INFO L225 Difference]: With dead ends: 51 [2019-12-08 15:54:34,724 INFO L226 Difference]: Without dead ends: 15 [2019-12-08 15:54:34,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-08 15:54:34,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-12-08 15:54:34,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-08 15:54:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-08 15:54:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-12-08 15:54:34,733 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2019-12-08 15:54:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:54:34,734 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-12-08 15:54:34,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-08 15:54:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-12-08 15:54:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:54:34,734 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:54:34,736 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:54:34,948 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:54:34,949 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:54:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:54:34,950 INFO L82 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2019-12-08 15:54:34,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:54:34,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358929159] [2019-12-08 15:54:34,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-08 15:54:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:54:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:54:35,565 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:54:35,566 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:54:35,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-08 15:54:35,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:54:35 BoogieIcfgContainer [2019-12-08 15:54:35,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:54:35,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:54:35,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:54:35,877 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:54:35,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:54:31" (3/4) ... [2019-12-08 15:54:35,880 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:54:36,006 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:54:36,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:54:36,010 INFO L168 Benchmark]: Toolchain (without parser) took 35414.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 961.7 MB in the beginning and 993.5 MB in the end (delta: -31.9 MB). Peak memory consumption was 119.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:54:36,015 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:54:36,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:54:36,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.79 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:54:36,026 INFO L168 Benchmark]: Boogie Preprocessor took 52.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:54:36,026 INFO L168 Benchmark]: RCFGBuilder took 30661.57 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:54:36,027 INFO L168 Benchmark]: TraceAbstraction took 3986.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. [2019-12-08 15:54:36,027 INFO L168 Benchmark]: Witness Printer took 131.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:54:36,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.79 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.50 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 30661.57 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3986.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. * Witness Printer took 131.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 186]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15-L24] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L26] static const double zero = 0.0; [L109-L112] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L114] static const double zero_log10 = 0.0; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L181] double x = 1.0 / 0.0; [L117] double y, z; [L118] __int32_t i, k, hx; [L119] __uint32_t lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L122] ieee_double_shape_type ew_u; [L123] ew_u.value = (x) [L124] EXPR ew_u.parts.msw [L124] (hx) = ew_u.parts.msw [L125] EXPR ew_u.parts.lsw [L125] (lx) = ew_u.parts.lsw [L128] k = 0 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L129] COND FALSE !(hx < 0x00100000) VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L142] COND TRUE hx >= 0x7ff00000 [L143] return x + x; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L182] double res = __ieee754_log10(x); [L160] __int32_t hx, lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L162] ieee_double_shape_type ew_u; [L163] ew_u.value = (x) [L164] EXPR ew_u.parts.msw [L164] (hx) = ew_u.parts.msw [L165] EXPR ew_u.parts.lsw [L165] (lx) = ew_u.parts.lsw [L167] hx &= 0x7fffffff [L168] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L169] hx = 0x7ff00000 - hx [L170] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 70 SDtfs, 33 SDslu, 3 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 5 QuantifiedInterpolants, 1750 SizeOfPredicates, 7 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...