./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_0720.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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ..................................................................................................................................................................................................................................................................................... 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_0720.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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:42:42,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:42:42,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:42:42,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:42:42,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:42:42,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:42:42,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:42:42,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:42:42,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:42:42,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:42:42,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:42:42,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:42:42,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:42:42,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:42:42,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:42:42,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:42:42,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:42:42,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:42:42,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:42:42,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:42:42,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:42:42,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:42:42,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:42:42,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:42:42,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:42:42,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:42:42,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:42:42,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:42:42,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:42:42,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:42:42,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:42:42,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:42:42,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:42:42,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:42:42,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:42:42,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:42:42,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:42:42,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:42:42,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:42:42,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:42:42,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:42:42,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:42:42,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:42:42,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:42:42,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:42:42,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:42:42,167 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:42:42,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:42:42,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:42:42,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:42:42,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:42:42,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:42:42,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:42:42,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:42:42,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:42:42,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:42:42,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:42:42,173 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:42:42,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:42:42,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:42:42,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:42:42,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:42:42,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:42:42,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:42:42,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:42:42,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:42:42,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:42:42,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:42:42,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:42:42,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:42:42,179 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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2019-11-27 23:42:42,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:42:42,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:42:42,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:42:42,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:42:42,528 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:42:42,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-27 23:42:42,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629143f62/5d3318d33a6a4222ad3b7c24e66eb1f4/FLAG2abc91fcb [2019-11-27 23:42:43,124 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:42:43,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-27 23:42:43,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629143f62/5d3318d33a6a4222ad3b7c24e66eb1f4/FLAG2abc91fcb [2019-11-27 23:42:43,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629143f62/5d3318d33a6a4222ad3b7c24e66eb1f4 [2019-11-27 23:42:43,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:42:43,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:42:43,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:42:43,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:42:43,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:42:43,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f897cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43, skipping insertion in model container [2019-11-27 23:42:43,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:42:43,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:42:43,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:42:43,741 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:42:43,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:42:43,882 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:42:43,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43 WrapperNode [2019-11-27 23:42:43,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:42:43,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:42:43,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:42:43,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:42:43,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:42:43,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:42:43,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:42:43,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:42:43,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (1/1) ... [2019-11-27 23:42:43,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:42:43,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:42:43,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:42:43,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:42:43,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (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 [2019-11-27 23:42:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:42:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:42:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:42:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:42:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:42:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:42:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:42:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:42:44,513 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:42:44,514 INFO L297 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-27 23:42:44,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:42:44 BoogieIcfgContainer [2019-11-27 23:42:44,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:42:44,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:42:44,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:42:44,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:42:44,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:42:43" (1/3) ... [2019-11-27 23:42:44,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e8bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:42:44, skipping insertion in model container [2019-11-27 23:42:44,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:43" (2/3) ... [2019-11-27 23:42:44,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e8bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:42:44, skipping insertion in model container [2019-11-27 23:42:44,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:42:44" (3/3) ... [2019-11-27 23:42:44,525 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-11-27 23:42:44,541 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:42:44,553 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:42:44,562 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:42:44,583 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:42:44,583 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:42:44,584 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:42:44,584 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:42:44,584 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:42:44,584 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:42:44,584 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:42:44,585 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:42:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-27 23:42:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-27 23:42:44,606 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:42:44,607 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:42:44,607 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:42:44,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:42:44,613 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-27 23:42:44,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:42:44,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497122094] [2019-11-27 23:42:44,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:42:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:42:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:42:44,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497122094] [2019-11-27 23:42:44,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:42:44,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:42:44,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495833259] [2019-11-27 23:42:44,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:42:44,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:42:44,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:42:44,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:42:44,763 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-27 23:42:44,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:42:44,784 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-27 23:42:44,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:42:44,786 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-27 23:42:44,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:42:44,796 INFO L225 Difference]: With dead ends: 96 [2019-11-27 23:42:44,797 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 23:42:44,801 INFO L630 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 [2019-11-27 23:42:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 23:42:44,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-27 23:42:44,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 23:42:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-27 23:42:44,839 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-27 23:42:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:42:44,839 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-27 23:42:44,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:42:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-27 23:42:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:42:44,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:42:44,841 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:42:44,841 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:42:44,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:42:44,842 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-27 23:42:44,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:42:44,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44512013] [2019-11-27 23:42:44,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:42:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:42:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:42:44,944 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:42:44,945 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:42:44,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:42:44 BoogieIcfgContainer [2019-11-27 23:42:44,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:42:44,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:42:44,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:42:44,978 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:42:44,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:42:44" (3/4) ... [2019-11-27 23:42:44,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:42:44,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:42:44,984 INFO L168 Benchmark]: Toolchain (without parser) took 1527.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:42:44,985 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:42:44,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:42:44,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.41 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. [2019-11-27 23:42:44,988 INFO L168 Benchmark]: Boogie Preprocessor took 37.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:42:44,989 INFO L168 Benchmark]: RCFGBuilder took 541.56 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:42:44,990 INFO L168 Benchmark]: TraceAbstraction took 460.29 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:42:44,991 INFO L168 Benchmark]: Witness Printer took 4.60 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. [2019-11-27 23:42:44,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.41 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. * Boogie Preprocessor took 37.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 541.56 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 460.29 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double res = __ieee754_sqrt(x); [L18] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L144] COND TRUE !isnan_double(res) [L145] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 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=49occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 0.1.24-30f4e4a [2019-11-27 23:42:46,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:42:46,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:42:46,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:42:46,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:42:46,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:42:46,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:42:46,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:42:46,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:42:46,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:42:46,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:42:46,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:42:46,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:42:46,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:42:46,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:42:46,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:42:46,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:42:46,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:42:46,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:42:46,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:42:46,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:42:46,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:42:46,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:42:46,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:42:46,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:42:46,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:42:46,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:42:46,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:42:46,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:42:46,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:42:46,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:42:46,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:42:46,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:42:46,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:42:46,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:42:46,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:42:46,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:42:46,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:42:46,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:42:46,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:42:46,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:42:46,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:42:46,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:42:46,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:42:46,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:42:46,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:42:46,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:42:46,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:42:46,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:42:46,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:42:46,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:42:46,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:42:46,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:42:46,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:42:46,972 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:42:46,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:42:46,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:42:46,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:42:46,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:42:46,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:42:46,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:42:46,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:42:46,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:42:46,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:42:46,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:42:46,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:42:46,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:42:46,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:42:46,977 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:42:46,977 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:42:46,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:42:46,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:42:46,978 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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2019-11-27 23:42:47,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:42:47,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:42:47,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:42:47,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:42:47,380 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:42:47,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-27 23:42:47,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6efc9f94/1dbb598ff77f471cbd74299a5c6e3512/FLAG62e80f22e [2019-11-27 23:42:47,896 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:42:47,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-27 23:42:47,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6efc9f94/1dbb598ff77f471cbd74299a5c6e3512/FLAG62e80f22e [2019-11-27 23:42:48,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6efc9f94/1dbb598ff77f471cbd74299a5c6e3512 [2019-11-27 23:42:48,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:42:48,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:42:48,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:42:48,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:42:48,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:42:48,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fcca56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48, skipping insertion in model container [2019-11-27 23:42:48,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:42:48,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:42:48,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:42:48,691 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:42:48,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:42:48,862 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:42:48,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48 WrapperNode [2019-11-27 23:42:48,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:42:48,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:42:48,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:42:48,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:42:48,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:42:48,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:42:48,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:42:48,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:42:48,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (1/1) ... [2019-11-27 23:42:48,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:42:48,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:42:48,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:42:48,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:42:48,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (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 [2019-11-27 23:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-27 23:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-27 23:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:42:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:42:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:42:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:42:52,566 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:42:52,567 INFO L297 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-27 23:42:52,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:42:52 BoogieIcfgContainer [2019-11-27 23:42:52,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:42:52,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:42:52,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:42:52,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:42:52,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:42:48" (1/3) ... [2019-11-27 23:42:52,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ff3a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:42:52, skipping insertion in model container [2019-11-27 23:42:52,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:42:48" (2/3) ... [2019-11-27 23:42:52,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ff3a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:42:52, skipping insertion in model container [2019-11-27 23:42:52,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:42:52" (3/3) ... [2019-11-27 23:42:52,579 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-11-27 23:42:52,590 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:42:52,599 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:42:52,614 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:42:52,644 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:42:52,644 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:42:52,644 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:42:52,645 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:42:52,645 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:42:52,645 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:42:52,646 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:42:52,646 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:42:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-27 23:42:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-27 23:42:52,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:42:52,673 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:42:52,674 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:42:52,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:42:52,682 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-27 23:42:52,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:42:52,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472602111] [2019-11-27 23:42:52,698 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 [2019-11-27 23:42:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:42:53,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:42:53,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:42:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:42:53,121 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:42:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:42:53,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472602111] [2019-11-27 23:42:53,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:42:53,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:42:53,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633544628] [2019-11-27 23:42:53,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:42:53,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:42:53,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:42:53,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:42:53,157 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-27 23:42:53,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:42:53,185 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-27 23:42:53,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:42:53,186 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-27 23:42:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:42:53,197 INFO L225 Difference]: With dead ends: 96 [2019-11-27 23:42:53,198 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 23:42:53,202 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:42:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 23:42:53,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-27 23:42:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 23:42:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-27 23:42:53,243 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-27 23:42:53,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:42:53,243 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-27 23:42:53,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:42:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-27 23:42:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:42:53,245 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:42:53,245 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:42:53,453 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:42:53,454 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:42:53,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:42:53,455 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-27 23:42:53,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:42:53,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113171438] [2019-11-27 23:42:53,458 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 [2019-11-27 23:42:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:42:53,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:42:53,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:42:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:42:54,034 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:42:57,659 WARN L860 $PredicateComparison]: unable to prove that (= (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start___ieee754_sqrt_~x c_ULTIMATE.start___ieee754_sqrt_~x) c_ULTIMATE.start___ieee754_sqrt_~x) (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) is different from true [2019-11-27 23:42:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:42:57,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113171438] [2019-11-27 23:42:57,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:42:57,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-27 23:42:57,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035710441] [2019-11-27 23:42:57,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 23:42:57,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:42:57,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 23:42:57,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2019-11-27 23:42:57,683 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2019-11-27 23:43:01,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:01,710 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-11-27 23:43:01,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 23:43:01,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-11-27 23:43:01,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:01,712 INFO L225 Difference]: With dead ends: 51 [2019-11-27 23:43:01,712 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 23:43:01,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=44, Invalid=91, Unknown=1, NotChecked=20, Total=156 [2019-11-27 23:43:01,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 23:43:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-27 23:43:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 23:43:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2019-11-27 23:43:01,722 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2019-11-27 23:43:01,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:01,723 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2019-11-27 23:43:01,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 23:43:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2019-11-27 23:43:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-27 23:43:01,725 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:01,725 INFO L410 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] [2019-11-27 23:43:01,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:43:01,939 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:01,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:01,939 INFO L82 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2019-11-27 23:43:01,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:01,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036186690] [2019-11-27 23:43:01,942 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 [2019-11-27 23:43:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:02,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 23:43:02,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:02,242 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:04,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036186690] [2019-11-27 23:43:04,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:04,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-27 23:43:04,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933345948] [2019-11-27 23:43:04,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:43:04,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:04,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:43:04,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2019-11-27 23:43:04,371 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 6 states. [2019-11-27 23:43:04,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:04,484 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2019-11-27 23:43:04,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:43:04,485 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-27 23:43:04,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:04,485 INFO L225 Difference]: With dead ends: 46 [2019-11-27 23:43:04,485 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:43:04,487 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2019-11-27 23:43:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:43:04,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:43:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:43:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:43:04,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-27 23:43:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:04,489 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:43:04,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:43:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:43:04,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:43:04,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:43:04,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:43:04,857 INFO L246 CegarLoopResult]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-11-27 23:43:04,857 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-11-27 23:43:04,858 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-11-27 23:43:04,858 INFO L246 CegarLoopResult]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-11-27 23:43:04,858 INFO L246 CegarLoopResult]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-11-27 23:43:04,858 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:43:04,858 INFO L246 CegarLoopResult]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-11-27 23:43:04,859 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:43:04,859 INFO L246 CegarLoopResult]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-11-27 23:43:04,859 INFO L246 CegarLoopResult]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-11-27 23:43:04,859 INFO L242 CegarLoopResult]: At program point L28-2(lines 28 33) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:43:04,860 INFO L246 CegarLoopResult]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-11-27 23:43:04,860 INFO L246 CegarLoopResult]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-11-27 23:43:04,860 INFO L242 CegarLoopResult]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-11-27 23:43:04,860 INFO L246 CegarLoopResult]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-11-27 23:43:04,861 INFO L246 CegarLoopResult]: For program point L144(lines 144 147) no Hoare annotation was computed. [2019-11-27 23:43:04,861 INFO L246 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-27 23:43:04,861 INFO L246 CegarLoopResult]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-11-27 23:43:04,861 INFO L246 CegarLoopResult]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-11-27 23:43:04,862 INFO L246 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-27 23:43:04,862 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-11-27 23:43:04,862 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:43:04,863 INFO L242 CegarLoopResult]: At program point L129(lines 22 130) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= |ULTIMATE.start___ieee754_sqrt_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:43:04,863 INFO L246 CegarLoopResult]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-11-27 23:43:04,863 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-11-27 23:43:04,863 INFO L246 CegarLoopResult]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-11-27 23:43:04,864 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-11-27 23:43:04,864 INFO L246 CegarLoopResult]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-11-27 23:43:04,864 INFO L246 CegarLoopResult]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-11-27 23:43:04,864 INFO L242 CegarLoopResult]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-11-27 23:43:04,865 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-11-27 23:43:04,865 INFO L246 CegarLoopResult]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-11-27 23:43:04,865 INFO L242 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-27 23:43:04,865 INFO L246 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-27 23:43:04,866 INFO L246 CegarLoopResult]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-11-27 23:43:04,866 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:43:04,866 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-27 23:43:04,866 INFO L246 CegarLoopResult]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-11-27 23:43:04,867 INFO L242 CegarLoopResult]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-11-27 23:43:04,867 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-27 23:43:04,867 INFO L246 CegarLoopResult]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-11-27 23:43:04,868 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-27 23:43:04,868 INFO L246 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-11-27 23:43:04,868 INFO L246 CegarLoopResult]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-11-27 23:43:04,868 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-11-27 23:43:04,869 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:43:04,869 INFO L249 CegarLoopResult]: At program point L149(lines 132 150) the Hoare annotation is: true [2019-11-27 23:43:04,869 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-27 23:43:04,870 INFO L242 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= |ULTIMATE.start___ieee754_sqrt_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-11-27 23:43:04,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:04,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:04,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:43:04 BoogieIcfgContainer [2019-11-27 23:43:04,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:43:04,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:43:04,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:43:04,911 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:43:04,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:42:52" (3/4) ... [2019-11-27 23:43:04,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:43:04,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-27 23:43:04,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-27 23:43:04,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:43:04,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:43:04,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2019-11-27 23:43:05,030 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:43:05,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:43:05,037 INFO L168 Benchmark]: Toolchain (without parser) took 16708.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 960.4 MB in the beginning and 922.4 MB in the end (delta: 38.0 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:05,042 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 23:43:05,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -107.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:05,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.40 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:05,044 INFO L168 Benchmark]: Boogie Preprocessor took 44.44 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. [2019-11-27 23:43:05,045 INFO L168 Benchmark]: RCFGBuilder took 3601.34 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:05,046 INFO L168 Benchmark]: TraceAbstraction took 12340.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 929.3 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:05,050 INFO L168 Benchmark]: Witness Printer took 120.22 ms. Allocated memory is still 1.1 GB. Free memory was 929.3 MB in the beginning and 922.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:05,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 531.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -107.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.40 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.44 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 3601.34 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12340.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 929.3 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. * Witness Printer took 120.22 ms. Allocated memory is still 1.1 GB. Free memory was 929.3 MB in the beginning and 922.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 28]: Loop Invariant [2019-11-27 23:43:05,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-11-27 23:43:05,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 18]: Loop Invariant [2019-11-27 23:43:05,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:05,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:05,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 12.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 127 SDtfs, 72 SDslu, 225 SDs, 0 SdLazy, 47 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 75 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 4 QuantifiedInterpolants, 4186 SizeOfPredicates, 16 NumberOfNonLiveVariables, 134 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 correct! Received shutdown request...